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You're listening to Weird and 
Dead, the paleontology podcast 

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that tells evolutions most 
embarrassing and bizarre 

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stories. 
I'm Megan Weatherill. 

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And I'm Amy Atwater, and we're 
two living scientists who are 

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weirdly excited about dead 
things. 

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This episode is all things 
urine, Fossils, Urine that left 

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a mark on the rocks. 
Urine that became the rocks and 

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the rocks that formed in urine. 
We'll talk about the internet's 

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fascination with ostrich 
urination, and Amy defends the 

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slurritious reason she was 
Googling. 

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Do crocodiles pee? 
Like always, our podcast covers 

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some disgusting stuff, 
especially in this urine soaked 

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episode. 
Please pay attention to the 

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content warnings in the 
description. 

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This podcast is not for kids, 
but my new book is Check it out,

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please. 
I mean, this is so fun. 

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I love this entire journey. 
And it's like, OK, we've done 

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lemurs, we've done butt stuff, 
We've done a lot of butt stuff. 

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We've done more butt stuff. 
And today we were like, let's do

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pee stuff. 
Let's do pee hole things and 

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that we were like, well, I think
largely our topic got started 

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because of what you're going to 
talk about today, which is the 

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phenomenon that is so cool to me
and have experience with just 

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because of life in the desert. 
But then it got us thinking of, 

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hey, are there like legit fossil
urine specimens? 

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And that's what took us on this 
route and left me Googling do 

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crocodiles pee? 
And and looking up Jesus. 

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Yes, it got really bad today. 
It got real rough today. 

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And Duke doesn't point out that.
You are sick and I have a 

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concussion which I think will. 
This is a very. 

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Will make this episode probably.
Better that we had. 

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More info here SO. 
But no one has to see how poorly

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written and spelled our notes 
are. 

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So there's that. 
There's that small glimmer of 

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hope. 
It turns out I don't know a lot 

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about peeing and other animals 
and I'm incredibly mammal 

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centric. 
Like I had to realize today that

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not all reptiles have liquid pee
even though I've like had a 

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snake and I know that it was 
like a slurry situation of kind 

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of bull milkshake sort. 
Of. 

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All the yes, but it was like 
they're disgusting. 

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It's disgusting and I'm still 
not quite sure and understand 

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like which ones do and which 
ones don't. 

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I apologize. 
I didn't have time to like go 

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into the details. 
I do know that a Komodo dragon, 

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as we were just saying, 
apparently just like shits and 

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pisses cocaine, like white 
powdery substances. 

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Awesome because they consume so 
much bone that they have to deal

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with all the extra calcium. 
So Komodo shit like kissing 

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bone? 
Are they pissed? 

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Cocaine, bone. 
And then my job today is to talk

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about how rats piss poison that 
becomes rocks. 

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Oh gosh, season 3 unhinged to 
begins. 

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I have to pee all the time. 
So this is just too real in a 

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lot of ways. 
And I did I got to go down some 

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fun rabbit holes. 
So the first one that I was 

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like, hey, are there fossil 
peas? 

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And the 1st paper that came up 
is this paper about late 

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Jurassic site in Brazil that 
claims to have a uralite. 

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And a uralite would be like a 
trace fossil of urine splatter 

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if you will like evidence of 
liquid waste elimination. 

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It was first used in like the 
1960s to explain the appetite 

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and calcite byproduct produced 
by some reptiles in the 

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Cretaceous that they found in 
Germany. 

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But I couldn't read the paper 
because it was all in German. 

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And you'd think that maybe I'd 
try to learn German by now, but 

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I'm not going to. 
Translate a German paper for 

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you. 
Oh my God, that's. 

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A really good thing it wrote a 
whole plug in for me for 

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Audacity to export clip by clip,
so I feel like maybe that's hot.

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Maybe it could read and 
translate a German paper? 

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It probably wouldn't be any less
accurate than you trying to 

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translate it yourself. 
A lot of the science words are 

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still science words because 
science speaks all languages. 

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We're all whatever anyway. 
So supposedly this term was used

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to describe more of the non 
liquid parts of urine and 

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Cretaceous reptiles. 
But now this paper is using it 

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to describe like a trace fossil 
of splatter, essentially P 

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splatter that they're saying 
because of the sheer size of it 

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has to be from a dinosaur given 
the time. 

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So it's kind of like they would 
have been the most likely, which

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what some questions about that. 
Why? 

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Not why? 
Not for a really long time. 

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Well, I guess what if someone? 
Yeah, I think their point. 

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And they did like a whole Austin
power level piss. 

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I don't think it has to be a 
dinosaur. 

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I think it could be someone to 
give me problems. 

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Or a pregnant lady. 
Or a fucking pregnant woman. 

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OK, feed every 45 minutes. 
It was volume as I understand 

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it, but you're the expert. 
Well, and that's my this is my, 

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this is their point is that it 
needed to have come from a 

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certain height to be able to 
produce the scouring that it 

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achieved on the sediment on this
sand that if you were a small 

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Organism, even with a chooch and
bladder, you wouldn't 

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necessarily be. 
Able to. 

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It's a chooch. 
Necessity, sorry. 

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Also the combination of science 
terms and chinch, it was just 

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great. 
Oh my God, I just snorted. 

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I just don't. 
My point is I don't think that 

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they would have been far enough 
from the ground and big enough 

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to have the the volume that they
claim. 

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So I will say that this paper 
came out in the Oh yeah, I'm 

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sorry the ostrich pissing images
really sold it for me. 

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OK this came out and sorry this 
came up and oh I haven't shared 

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my images. 
I mean, I see a file labeled 

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Amy's urine photos so I feel 
like I could probably guess. 

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No, no, don't. 
That's something else. 

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All right, back to science. 
Back to science. 

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We are talking about this 2004 
paper claiming to have a 

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dinosaur Uralite from Brazil. 
And essentially it's like where 

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the P stream hit and the 
displacement of sediment or they

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say like kind of like carved out
as opposed to an impression like

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a track which would compress it 
the sediment, not literally 

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remove the sediment. 
So there's an element of that 

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scouring again that they're 
claiming is coming from a, you 

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know, direct large source of 
quick stream of water in a very 

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small area. 
Are you looking at it? 

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No. 
Just the idea that these people 

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are like studying the physics of
piss is. 

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Oh yeah, I mean, they're like 
literally these are their the 

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the 2. 
OK so the top two I'm assuming 

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are the fossil and the bottom 2.
So actually AB and C are fossils

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and D is the experiment which 
let me read to you the 

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experiment that they, OK, they 
took 2 liters of water, were 

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poured from 80cm height into a 
sloped area of loose sand. 

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And that's picture D That's 
their simulation of a dinosaur 

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pissing on loose. 
OK, I'm gonna. 

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I'm gonna go ahead. 
I'm. 

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Like, why didn't you get out and
piss? 

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Yeah, I mean, there's if. 
Like if this does fossilize, I 

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pee everywhere when I'm outside.
I hope that this is something 

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I've left behind. 
I just like so OK, so look, it's

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usually. 
Flooded my shoe. 

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Fossils if I again, and this is 
the case with I think almost all

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trace fossils for me, if I saw 
this in the wild, would just 

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think, oh, someone hit a rock 
with a hammer really hard 

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because there's a big dent in 
it. 

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At no point in my life would I 
look at that and be like, that's

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pissed. 
Like I can see looking at their 

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their experimental piss fossil, 
why they say that. 

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But like at the same time, I 
will never recognize a pea 

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fossil. 
Like I know that about myself. 

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I will never see one in the 
field and know that that is not 

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just a weird rock. 
Like, hands down. 

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They write. 
So this area is there's a lot of

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fossils in the area. 
I think there's quite a few 

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copper lights. 
Like, I think part of it is like

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the association and how again, 
when you have a copper light and

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you're a reptile and you got 1 
hole. 

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And often time again, I 
literally found in a scientific 

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paper it described as a slurry. 
So that is why I'm going to 

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continue to use that phrase. 
But a slurry of urine and feces.

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So I think that there's some of 
that reasoning going on, too. 

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But they describe it. 
OK. 

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So for everyone, we'll post. 
I mean, I say I'll post a 

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picture, but I always forget. 
It is. 

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Yeah, It does look like Megan 
said, like they split a rock and

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like, a hammer took a chunk out 
of the middle. 

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And it maybe has a little bit of
a concentric vibe to it. 

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But like, I would never pause to
look at that ever. 

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At all, ever, actually. 
Like, yeah, no, no. 

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OK. 
So what they write is this 

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structure is found in the 
sedimentary rocks associated 

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dinosaur fossils. 
So the sediment has been removed

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and the sand was removed with a 
by a fluidization formed by a 

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gravitational stream of 34 
centimeters in length and that 

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they have this concave negative 
relief. 

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The one of them has a positive 
relief and inner concentric 

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delineations with corresponding 
sedimentary layers that work 

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with like the surrounding rock, 
like it got carved out in kind 

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of got a little window into your
fellow layers up in there. 

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So then they did their very 
expensive experiment of taking 2

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liters of water and spraying it 
on the ground. 

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From 80 centimeters valid. 
Amy, when we're describing this 

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as a slurry, should they not 
have been dumping a milkshake? 

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I don't, but their point is, is 
that if OK, so then they go into

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the ostriches. 
So the a lot of the comparative 

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that like maybe it's a slurry, 
but their point is that maybe 

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it's more like an ostrich, 
which, OK, let me see if I can 

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get through this. 
I'm not going to be able to 

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pronounce any of this. 
OK Ostriches have a euro duum 

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duum deum or uridum where the 
urine is stored, which then 

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exits through the cloaca. 
And they have a Copro denim 

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denim that stores solid waste so
they can, even though that's the

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one cloaca again, they can have 
a strong liquid urine flow that 

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is separate from the butthole 
spraying of waste, solid waste. 

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And then they post, you can 
scroll to their next image which

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is this experiment. 
Oh my God. 

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Please describe what you see. 
OK, I'm going to zoom in. 

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I'm going to pull it in front of
my face so I can be looking 

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directly at the microscope or 
microphone for this one I am 

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seeing. 
All I can think of a is just 

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what it would feel like to be a 
Komodo dragon pissing sand. 

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But also in the moments where 
I'm not thinking about that, 

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just the idea that someone sat 
there and watched explicitly to 

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catch ostrich piss. 
So this ostrich. 

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According to YouTube that 
happens a lot, so I don't know 

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ostriches why else people are 
doing. 

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That people watch me. 
Yeah, or like literally my just 

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a lot of I there was, there was 
no short amount of sources for 

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this one. 
OK. 

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All right. 
So we've got an ABC panel of a 

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frankly kind of elongated 
looking ostrich that is like, I 

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feel like usually I, I kind of 
assume that they're a little 

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water than that, but standing in
a barnyard with just a thick 

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stream, thick that trickles 
healthy. 

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Yeah. 
Well, I don't know if that's 

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healthy. 
I mean, sure would not be for 

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us. 
No, it looks like a stick in 

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consistency. 
Like I know it's not. 

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Clear. 
You can tell. 

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Even though the picture is black
and white, you can tell it's not

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clear. 
Yeah, I think it's black and 

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white. 
For our sanity, you don't want 

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to know what color that actually
is. 

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OK, OK. 
And then it forms a little 

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puddle on the ground. 
Great. 

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So their point is that if 
dinosaurs had a system like an 

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ostrich and not like a Komodo 
dragon, which they should 

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hypothetically because of 
phylogenetics have a system more

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like a bird than something like 
a lizard like a Komodo dragon. 

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Which is why I was going into 
like crocodile P2, which they 

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seem to do the slurry, but they 
technically have the capacity to

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do either. 
But it was this. 

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Where did I write down the quote
on this? 

226
00:13:25,600 --> 00:13:28,320
It was really funny. 
Well has been reported that 

227
00:13:28,320 --> 00:13:31,480
urine and feces are stored and 
can be excreted separately from 

228
00:13:31,480 --> 00:13:35,560
a cloaca in a crocodiliform. 
Our experience is that saltwater

229
00:13:35,560 --> 00:13:38,840
crocodiles in the present study 
excreted a slurry of combined 

230
00:13:38,840 --> 00:13:42,960
feces and urine. 
I wasn't kidding. 

231
00:13:44,000 --> 00:13:47,920
So if you ever read a meta 
analysis of papers, which is an 

232
00:13:47,920 --> 00:13:50,600
analysis of a whole bunch of 
papers to kind of come up with 

233
00:13:50,600 --> 00:13:53,520
what everybody is saying a lot 
more common in like Health 

234
00:13:53,520 --> 00:13:55,080
Science that it is in 
paleontology. 

235
00:13:55,080 --> 00:13:59,880
But they have to say things like
here are the Google Scholar 

236
00:13:59,880 --> 00:14:03,440
search terms that I use. 
Here are XY and Z terms. 

237
00:14:03,640 --> 00:14:06,400
Here's how long I looked. 
Here's how many pages I went 

238
00:14:06,400 --> 00:14:08,440
through. 
I want to see that sort of 

239
00:14:08,440 --> 00:14:10,800
information. 
I want to know how many 

240
00:14:10,800 --> 00:14:13,560
saltwater crocodiles you watched
go to the bathroom. 

241
00:14:13,760 --> 00:14:17,520
And I want to know how long you 
waited before you gave up. 

242
00:14:20,040 --> 00:14:23,600
Are you doing some sort of like,
are you recording them and then 

243
00:14:23,600 --> 00:14:26,960
you're going through footage 
with like, Fast forward? 

244
00:14:27,400 --> 00:14:33,360
Yeah, there's there's a lot. 
Probably they probably covered 

245
00:14:33,360 --> 00:14:36,320
that I didn't read the paper, so
it's fine. 

246
00:14:36,320 --> 00:14:39,680
I mean, I skimmed it well enough
and then I got to slurry, was 

247
00:14:39,680 --> 00:14:43,480
totally amused, laughed to 
myself for 5 minutes, probably 

248
00:14:43,480 --> 00:14:46,600
got up for a Lacroix and never 
went back to that paper ever 

249
00:14:46,600 --> 00:14:50,760
again because that's my life 
these days and that's fine. 

250
00:14:50,760 --> 00:14:52,680
That's, that's how it, that's 
how it goes. 

251
00:14:53,240 --> 00:14:55,440
So we don't entirely know for 
sure. 

252
00:14:55,480 --> 00:14:57,200
We don't really know if it's a 
dinosaur. 

253
00:14:57,200 --> 00:15:00,480
There were other animals that 
existed in the Mesozoic. 

254
00:15:01,040 --> 00:15:03,760
I love that people kind of like 
to pretend there weren't. 

255
00:15:04,160 --> 00:15:06,960
So I mean, do I buy it's a a 
urine spray? 

256
00:15:06,960 --> 00:15:10,360
I mean, I want it to be true. 
I love a world where we have 

257
00:15:10,360 --> 00:15:13,600
preserved urine fossils. 
I will say that there's been 

258
00:15:13,600 --> 00:15:17,560
another site that's been claimed
to also have a scour from a 

259
00:15:17,560 --> 00:15:20,080
sauropod pissing. 
And it's here in Colorado at the

260
00:15:20,080 --> 00:15:22,840
purgatory site that I've still 
not been to famous track site. 

261
00:15:23,160 --> 00:15:26,560
And there's this like strange 
bathtub sized depression that 

262
00:15:26,560 --> 00:15:28,360
everyone's been like, I wonder 
what this is. 

263
00:15:28,360 --> 00:15:31,440
And finally, a student was like,
it's from a sauropod missing 

264
00:15:31,640 --> 00:15:36,600
1500 liters of a full bladder. 
And I was just like, OK, they 

265
00:15:36,600 --> 00:15:39,360
never published it. 
So it's just an abstract. 

266
00:15:39,760 --> 00:15:42,000
And even Martin Lockley was 
skeptical on that one. 

267
00:15:42,000 --> 00:15:43,960
And I don't buy half of what he 
wrote. 

268
00:15:43,960 --> 00:15:48,640
So it's fun to get curious. 
That's like what the quote was, 

269
00:15:48,640 --> 00:15:52,280
was this is an imaginative 
explanation, but it's just like,

270
00:15:52,720 --> 00:15:55,080
it's really, you know. 
And of course as I talked to my 

271
00:15:55,080 --> 00:15:57,720
geologist husband about this, as
his eyes get stuck in the back 

272
00:15:57,720 --> 00:16:00,520
of his head from rolling his 
eyes so hard at like again, like

273
00:16:00,520 --> 00:16:03,880
this fall of the paleontologists
like assuming that every 

274
00:16:03,880 --> 00:16:07,560
structure found in geologic 
layers can be explained by some 

275
00:16:07,560 --> 00:16:10,240
biogenetic process. 
And maybe it is, maybe it 

276
00:16:10,240 --> 00:16:12,200
wasn't. 
I wasn't there so I don't know. 

277
00:16:12,200 --> 00:16:15,400
So tell me about some fucking 
poison piss please. 

278
00:16:15,400 --> 00:16:19,760
Golden shower hour all over me 
prehistorically. 

279
00:16:21,160 --> 00:16:23,920
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possible dinosaur or fossil 

280
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281
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It's got these amazing touchable

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291
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292
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It's going to be a little less 
golden. 

293
00:17:03,280 --> 00:17:06,160
It's going to be a little bit 
more brown and black and glossy,

294
00:17:06,520 --> 00:17:12,800
I'm afraid. 
All right, so we are going to 

295
00:17:12,800 --> 00:17:18,240
talk about primarily pack rat 
piss because pack rat piss a we 

296
00:17:18,240 --> 00:17:20,280
know how they piss like they're 
around. 

297
00:17:20,319 --> 00:17:21,920
You can watch them if you want. 
They're still here. 

298
00:17:22,240 --> 00:17:24,359
They're still here, but they're 
piss. 

299
00:17:24,440 --> 00:17:25,880
Wonder if I could find that 
video. 

300
00:17:27,280 --> 00:17:29,480
Probably. 
The Internet is a weird place 

301
00:17:29,480 --> 00:17:34,840
these days. 
Pack rat piss is a expanding 

302
00:17:34,840 --> 00:17:38,880
field of science with unlimited 
potential. 

303
00:17:39,240 --> 00:17:43,760
You can do amazing things by 
studying pack rat piss because 

304
00:17:43,800 --> 00:17:50,240
pack rat piss is also called 
Amber Rat because of Rat Dobie. 

305
00:17:50,320 --> 00:17:52,000
Rat Dobie is one of my favorites
as well. 

306
00:17:52,240 --> 00:17:54,520
I like that. 
Because it's hard as hell. 

307
00:17:54,760 --> 00:17:58,160
It's unbelievably hard. 
Like every paper that I read on 

308
00:17:58,160 --> 00:18:01,520
it had to like describe Oh yes, 
I had to chisel it out with a 

309
00:18:01,520 --> 00:18:06,000
rock hammer or oh, I had to take
a Dremel with a diamond drilled.

310
00:18:06,000 --> 00:18:07,760
Wow. 
Ticket. 

311
00:18:08,040 --> 00:18:13,800
Sample the power of piss. 
Wow, yes, so stand in 

312
00:18:13,800 --> 00:18:17,160
admiration. 
And rodents kind of in general, 

313
00:18:17,160 --> 00:18:21,760
they have some somewhat toxic 
piss, but mostly the studies 

314
00:18:21,760 --> 00:18:25,600
have been on pack rats because 
pack rats will. 

315
00:18:25,600 --> 00:18:29,640
They don't just pee, they pee in
one spot, and they pee on an 

316
00:18:29,640 --> 00:18:33,920
accumulation of what they 
probably think is treasure and 

317
00:18:33,920 --> 00:18:36,800
what most people would think is 
garbage and what scientists 

318
00:18:36,840 --> 00:18:39,320
also. 
Or your eye treasure, like your 

319
00:18:39,320 --> 00:18:43,160
personal belongings, like you're
just like all of your shit on 

320
00:18:43,160 --> 00:18:44,720
your camping trip and in your 
cabin. 

321
00:18:44,720 --> 00:18:47,240
Like, yeah, especially shiny 
things I hear. 

322
00:18:47,240 --> 00:18:48,920
Yeah. 
Yeah, so pack rats. 

323
00:18:48,920 --> 00:18:51,800
Aren't like apparently? 
Out pissing just kind of 

324
00:18:51,800 --> 00:18:55,080
everywhere they are 
concentrating that in what is 

325
00:18:55,080 --> 00:18:57,400
known as their midden. 
So a. 

326
00:18:57,400 --> 00:18:59,440
Through. 
Oh, right, Midden. 

327
00:19:00,080 --> 00:19:04,000
I mean, a midden is it's, it's 
garbage. 

328
00:19:04,000 --> 00:19:05,960
That's what the the word midden 
means. 

329
00:19:05,960 --> 00:19:08,720
So if you're like studying 
middens archaeologically, you're

330
00:19:08,720 --> 00:19:11,640
usually talking about trash. 
Miles but garbage. 

331
00:19:11,680 --> 00:19:14,640
So rude. 
I know it's in the we. 

332
00:19:14,920 --> 00:19:17,960
Call your we call your home 
garbage. 

333
00:19:18,880 --> 00:19:23,200
Okay, but you piss and shit all 
over it, so I don't know, maybe 

334
00:19:23,200 --> 00:19:24,760
that's on the pack rat, you 
know? 

335
00:19:27,920 --> 00:19:32,560
That right I fair but like I 
mean if it's to ones culture who

336
00:19:32,560 --> 00:19:35,880
am I to judge? 
I'll tell the pack rats that you

337
00:19:35,880 --> 00:19:39,120
are on their side. 
Just not in my house. 

338
00:19:39,400 --> 00:19:43,680
Get out. 
So a rodent midden is somewhat 

339
00:19:43,680 --> 00:19:46,440
different from like an 
archaeological midden because 

340
00:19:46,480 --> 00:19:50,800
rodents accumulate piles of 
bullshit for a variety of 

341
00:19:50,800 --> 00:19:53,120
reasons. 
Some of them are building actual

342
00:19:53,120 --> 00:19:56,560
nests so they will have like 
their whole lives lived out in 

343
00:19:56,560 --> 00:19:59,880
their weird little garbage pile.
Some of them are accumulating 

344
00:19:59,880 --> 00:20:04,000
things specifically to eat. 
So like a pica will accumulate a

345
00:20:04,000 --> 00:20:07,920
midden of plants on top of its 
little home that. 

346
00:20:08,000 --> 00:20:11,200
That eats throughout the winter,
so it's been is a little bit 

347
00:20:11,200 --> 00:20:13,240
different than a pack rat 
midden. 

348
00:20:13,440 --> 00:20:16,880
It's like all of those pigs and 
they're different houses that 

349
00:20:16,880 --> 00:20:19,240
the big wolf. 
Oh my God, the pack rats were 

350
00:20:19,240 --> 00:20:21,280
like blow this fucking house 
down. 

351
00:20:21,680 --> 00:20:27,840
Try me, try me. 
Evolutionary arms race, bitch. 

352
00:20:28,400 --> 00:20:30,320
Bow down. 
Be humble. 

353
00:20:31,120 --> 00:20:32,200
So right. 
Sorry. 

354
00:20:32,200 --> 00:20:36,880
Lots, lots and lots of rodents 
to build middens, but literally 

355
00:20:37,200 --> 00:20:42,000
not all of them kiss on their 
own middens to create concrete. 

356
00:20:42,000 --> 00:20:46,320
So the pack rat is the. 
Very effective, very efficient. 

357
00:20:46,720 --> 00:20:52,040
It is. 
How long do you think a pack rat

358
00:20:52,040 --> 00:20:54,920
midden can last without 
decosing? 

359
00:20:55,160 --> 00:20:58,280
So my whole my one of my 
experiences with Pack Rat Midden

360
00:20:58,360 --> 00:21:01,840
is that I gave tours at Arches 
when I worked there and on the 

361
00:21:01,840 --> 00:21:05,120
Fiery Furnace, one of my stops, 
my whole tour was about the 

362
00:21:05,120 --> 00:21:08,320
superheroes of the fiery furnace
and it was all about different 

363
00:21:08,320 --> 00:21:11,440
cool shit and animals. 
And it ended with and you who's 

364
00:21:11,440 --> 00:21:16,080
going to protect it? 
But the midway, the midway stop 

365
00:21:16,080 --> 00:21:19,720
was the pack rat midden stop. 
So I'm sure I knew this number 

366
00:21:19,720 --> 00:21:24,120
at one point in time because my 
whole gag was like, how long do 

367
00:21:24,120 --> 00:21:26,560
you think it could be? 
And they were all like 200 

368
00:21:26,560 --> 00:21:28,600
years. 
And I was like 50,000 years. 

369
00:21:28,600 --> 00:21:31,400
So I'm going to go 50,000 years.
Yeah, the answer is we don't 

370
00:21:31,400 --> 00:21:35,680
know because 50,000 years is 
beyond the limit of radiocarbon 

371
00:21:35,680 --> 00:21:39,720
dating. 
So they can get up into 4550 

372
00:21:39,720 --> 00:21:42,560
thousand, which means they could
also be 100,000, they could be 

373
00:21:42,560 --> 00:21:45,520
200,000. 
They could be 500,000 because 

374
00:21:46,160 --> 00:21:49,600
pack rat piss in addition to 
like coating everything and 

375
00:21:49,600 --> 00:21:53,320
turning it into concrete, it 
also like it desiccates things a

376
00:21:53,320 --> 00:21:55,920
little bit very similar to 
actual amber. 

377
00:21:56,320 --> 00:21:59,840
So it full on preserves the 
entire nest. 

378
00:22:00,200 --> 00:22:04,480
Which is why scientists get 
really excited about pack rat 

379
00:22:04,520 --> 00:22:08,960
bittens because they are little 
time capsules that can do things

380
00:22:08,960 --> 00:22:12,280
like First off, they are often 
pack rats are often preserving 

381
00:22:12,280 --> 00:22:15,840
things in desert environments, 
which deserts are great at 

382
00:22:15,840 --> 00:22:17,920
preserving bone. 
They're not very good at 

383
00:22:18,120 --> 00:22:21,800
preserving plants because plants
kind of dissolve in that level 

384
00:22:21,800 --> 00:22:25,200
of alkalinity. 
So it's hard to find 

385
00:22:25,320 --> 00:22:29,200
paleontological records of plant
life in deserts because they 

386
00:22:29,200 --> 00:22:32,920
decompose unless they have been 
picked up by a pack rat and 

387
00:22:32,920 --> 00:22:34,800
tossed into their nest and 
pissed on. 

388
00:22:35,080 --> 00:22:38,480
So they basically take the place
of like pollen analysis. 

389
00:22:41,720 --> 00:22:44,720
So great. 
It's just so, it's just like 

390
00:22:44,720 --> 00:22:48,280
such a humiliating thing. 
And here it is being such an 

391
00:22:48,280 --> 00:22:51,000
incredible tool. 
Like that's why the world is 

392
00:22:51,000 --> 00:22:53,320
amazing. 
It gets it gets better. 

393
00:22:54,720 --> 00:22:57,600
I mean, I yeah, I mean, they're 
really into water sports. 

394
00:22:57,600 --> 00:23:01,960
I am picking up on that they. 
Are and so pack rat urine, it's 

395
00:23:01,960 --> 00:23:06,640
composed of calcite oxalate, 
calcium carbonate, silicates, 

396
00:23:06,880 --> 00:23:10,560
something called styruvate and 
wedalite and it's basically a 

397
00:23:10,560 --> 00:23:13,480
whole bunch of brown minerals 
and it is poison. 

398
00:23:13,480 --> 00:23:16,520
Oxalate is one of the bigger 
components and oxalate is a 

399
00:23:16,520 --> 00:23:19,600
poison that doesn't really 
impact rodents, but it's from 

400
00:23:19,600 --> 00:23:21,280
like prickly pear. 
So they're one of the few things

401
00:23:21,280 --> 00:23:23,080
that can really eat prickly pear
without having. 

402
00:23:23,480 --> 00:23:27,200
That was my my question is how 
are they generating all of the 

403
00:23:27,200 --> 00:23:31,240
shit to be in their urine? 
I'm sorry, all of this urine to 

404
00:23:31,240 --> 00:23:33,080
be in their urine. 
It's not shit. 

405
00:23:33,240 --> 00:23:34,920
That's their houses, that's 
their. 

406
00:23:34,920 --> 00:23:36,600
Medicines. 
Well, pack rats. 

407
00:23:36,600 --> 00:23:40,200
In addition to being able to 
pass oxalate, which can then, 

408
00:23:40,320 --> 00:23:44,520
you know, solidify their piss, 
they can also eat creosote 

409
00:23:44,520 --> 00:23:47,600
resin. 
They can eat oak tannins and 

410
00:23:47,600 --> 00:23:51,120
they can eat juniper terpenes, 
so they literally are garbage 

411
00:23:51,120 --> 00:23:53,760
dumps themselves and they can 
eat all of these poisonous 

412
00:23:53,760 --> 00:23:55,960
things. 
So in addition to just being 

413
00:23:55,960 --> 00:23:59,120
coated in super hard pack rat 
piss, a lot of that stuff is 

414
00:23:59,120 --> 00:24:03,160
also poisonous to other animals.
It's like so accumulated, yes. 

415
00:24:03,400 --> 00:24:06,200
So even if you were really 
motivated, for whatever reason, 

416
00:24:06,200 --> 00:24:10,120
to go digging around in a pack 
rat nest, it's poison and hard. 

417
00:24:10,400 --> 00:24:14,560
Except Amy, for when it's not 
hard, because it turns out if 

418
00:24:14,560 --> 00:24:18,480
you get it wet, it gets sticky 
and it turns into a fucking glue

419
00:24:18,480 --> 00:24:23,560
trap just like so. 
In addition to preserving 

420
00:24:23,920 --> 00:24:27,320
plants, which are probably put 
there by the pack rat as part of

421
00:24:27,320 --> 00:24:32,000
their midden, it also preserves 
lots of bones of small reptiles 

422
00:24:32,000 --> 00:24:34,360
and amphibians, some of which 
might have actually been 

423
00:24:34,360 --> 00:24:36,680
collected by the pack rat. 
I guess the pack rats sometimes 

424
00:24:36,800 --> 00:24:39,320
were like little paleontologist.
They did like little bones to 

425
00:24:39,320 --> 00:24:43,240
add to their pot but sometimes 
it's literally stuck. 

426
00:24:43,600 --> 00:24:45,400
So like there's bugs that have 
been. 

427
00:24:45,440 --> 00:24:46,840
Right. 
It's like a dam. 

428
00:24:47,040 --> 00:24:48,200
Yeah, right. 
Yeah. 

429
00:24:48,200 --> 00:24:51,560
It's creating this literal net 
of urine. 

430
00:24:51,600 --> 00:24:54,000
A urine net. 
Get Imagine guys getting stuck 

431
00:24:54,320 --> 00:24:57,520
in a sticky net made of piss of 
rats. 

432
00:24:58,960 --> 00:25:03,040
So like, these are incredible 
repositories of small animals, 

433
00:25:03,040 --> 00:25:05,280
which can often be kind of hard 
to find. 

434
00:25:05,640 --> 00:25:11,160
And they are so well preserved 
that in, I think 2021, someone 

435
00:25:11,160 --> 00:25:15,560
did an ancient DNA study on a 
beetle and found that it still 

436
00:25:15,560 --> 00:25:19,400
had enough DNA for them to 
realize it was a darkling 

437
00:25:19,400 --> 00:25:22,640
beetle, which is less impressive
when you realize it was a whole 

438
00:25:22,640 --> 00:25:24,920
darkling beetle. 
So they could tell from looking 

439
00:25:24,920 --> 00:25:28,480
at it, but it was a darkling 
beetle. 

440
00:25:28,480 --> 00:25:34,680
But they don't really represent.
It Oh my God, that's so funny. 

441
00:25:34,760 --> 00:25:35,680
Oh my God. 
Oh my God. 

442
00:25:36,480 --> 00:25:37,840
What is it? 
I'll close my. 

443
00:25:37,960 --> 00:25:39,920
Eyes don't. 
Don't look. 

444
00:25:39,920 --> 00:25:41,720
We can't. 
We can't be biased. 

445
00:25:41,720 --> 00:25:43,960
Don't look at it. 
Don't even look at it. 

446
00:25:45,160 --> 00:25:49,640
Yeah, so they've done ancient 
DNA on things in pack rat piss 

447
00:25:49,840 --> 00:25:51,920
and I keep saying pack rat 
because pack rat is the most 

448
00:25:51,920 --> 00:25:56,840
common, but rock hyraxes in 
Africa also do this, so. 

449
00:25:56,840 --> 00:25:59,000
Wait, but they're not rodents. 
I mean they're. 

450
00:25:59,240 --> 00:26:01,520
Completely. 
Different, but that's 

451
00:26:01,520 --> 00:26:03,800
interesting. 
But like, it's interesting that 

452
00:26:03,800 --> 00:26:06,160
it's like, right. 
They feel a similar niche, but 

453
00:26:06,160 --> 00:26:10,600
like they're nowhere. 
They're no fucking near related 

454
00:26:10,600 --> 00:26:12,880
to each other. 
Yeah, they're Afro theories. 

455
00:26:13,080 --> 00:26:16,880
So yeah, they're fucking weird. 
And so it's just like that's 

456
00:26:16,880 --> 00:26:19,040
curious to see convergence with 
that. 

457
00:26:19,040 --> 00:26:20,400
Yeah. 
If you don't know what a rock 

458
00:26:20,400 --> 00:26:25,440
Kyrax looks like, imagine kind 
of a rabbit with like weirdly 

459
00:26:25,440 --> 00:26:28,560
visible toes that is somehow 
related to an elephant. 

460
00:26:29,560 --> 00:26:32,160
Yeah, yeah. 
Yeah, that's that's what those 

461
00:26:32,160 --> 00:26:34,720
are. 
So yeah, Rock Kyraxes also will 

462
00:26:34,720 --> 00:26:37,280
do stuff like this, which is 
great because pack rats don't 

463
00:26:37,280 --> 00:26:40,920
live in Africa. 
So we can use Rock Kyraxes and 

464
00:26:40,920 --> 00:26:43,440
then porcupines in North America
will also do this. 

465
00:26:43,440 --> 00:26:45,120
So you can sometimes use 
porcupines. 

466
00:26:45,440 --> 00:26:49,520
They're not, as I think, 
consistent about the course. 

467
00:26:49,520 --> 00:26:53,680
Not so. 
Fucking lazy assholes, but all 

468
00:26:53,680 --> 00:26:57,520
they're doing is gnawing on the 
bottom of my cabin like I I 

469
00:26:57,520 --> 00:27:00,680
hate, I hate you. 
And because they're collecting 

470
00:27:00,680 --> 00:27:02,880
all of this like they're 
collecting bones, they're 

471
00:27:02,880 --> 00:27:05,920
collecting sticks, they are also
pooping out plant products. 

472
00:27:06,120 --> 00:27:07,680
All of those things have carbon 
in them. 

473
00:27:07,920 --> 00:27:12,960
So you can do radiocarbon dating
on these rodent nests, which I 

474
00:27:12,960 --> 00:27:16,880
have also done. 
So my first expense, right, with

475
00:27:17,120 --> 00:27:20,840
Amber Rat was at the Paisley 
Caves, which is an 

476
00:27:20,920 --> 00:27:23,880
archaeological site with some 
paleontology there too. 

477
00:27:24,200 --> 00:27:27,080
And that does mean that I'm 
muddling the waters by kind of 

478
00:27:27,520 --> 00:27:29,440
being both an archaeologist and 
a paleontologist. 

479
00:27:29,760 --> 00:27:32,560
Sorry, guys. 
And my job has always just been 

480
00:27:33,000 --> 00:27:35,400
doing math to tell us how old 
the dirt is. 

481
00:27:35,640 --> 00:27:38,480
So people will give me all of 
these radiocarbon dates. 

482
00:27:38,800 --> 00:27:41,320
And when we were first doing it,
I was really concerned about the

483
00:27:41,320 --> 00:27:44,480
Pack Rat Mittens because when 
you go to these caves, you can 

484
00:27:44,480 --> 00:27:47,360
see Pack Rat Mittens and they're
up on the side of The Cave. 

485
00:27:47,360 --> 00:27:51,920
Like they're very clearly out of
time paired to the floor of The 

486
00:27:51,920 --> 00:27:54,680
Cave, but weirdly, they actually
turned out to be very, very 

487
00:27:54,680 --> 00:27:56,920
stable. 
So I think that the pack rat 

488
00:27:56,920 --> 00:28:00,400
mins that we've been sampling in
Paisley caves are the ones that 

489
00:28:00,600 --> 00:28:03,880
are the pack rats that were too 
lazy to climb like that. 

490
00:28:03,880 --> 00:28:06,200
They were digging kind of down 
and into the side walls. 

491
00:28:06,520 --> 00:28:09,480
But they've been a really great 
repository for radiocarbon 

492
00:28:09,480 --> 00:28:12,160
dates. 
So yeah, I'm a pack rat person I

493
00:28:12,160 --> 00:28:13,400
guess. 
I see. 

494
00:28:13,440 --> 00:28:16,920
Deal with pack rat this. 
You deal with pack rat piss. 

495
00:28:16,920 --> 00:28:19,400
I think that you should just 
change your tagline on 

496
00:28:19,400 --> 00:28:23,920
everything to just be. 
Will you be upset if I change 

497
00:28:23,920 --> 00:28:27,280
the name of my personal 
Instagram account to Amber Rat 

498
00:28:27,280 --> 00:28:29,360
Amy? 
No, you can do. 

499
00:28:29,480 --> 00:28:31,720
You can describe yourself 
however you want. 

500
00:28:31,840 --> 00:28:34,480
I will not be a Geopedal. 
Pack rat piss. 

501
00:28:35,640 --> 00:28:37,760
Pack rat piss. 
Paleontologist. 

502
00:28:39,920 --> 00:28:41,440
That's a good handle. 
Somebody. 

503
00:28:41,480 --> 00:28:46,280
Not me, but someone, someone out
there and with the age thing, 

504
00:28:46,280 --> 00:28:49,600
because that's just in that 
window of awful time where it's 

505
00:28:50,000 --> 00:28:54,000
between our different tools to 
be able to really, but aren't 

506
00:28:54,000 --> 00:28:57,720
there up and coming Geo time 
methods to be able to get. 

507
00:28:57,800 --> 00:29:02,360
Yeah, there's a lot of, I never 
remember the set of letters. 

508
00:29:02,400 --> 00:29:03,880
I've used these things all the 
time. 

509
00:29:04,080 --> 00:29:08,240
It's like ILSRISLI have a 
concussion, so I'm not going to 

510
00:29:08,240 --> 00:29:09,520
remember it correctly 
regardless. 

511
00:29:09,520 --> 00:29:13,640
But there's ones where you you 
have to like, I've never 

512
00:29:13,640 --> 00:29:14,960
actually gone out and collected 
these. 

513
00:29:15,280 --> 00:29:18,840
But from my understanding, you 
go out in the dead of night and 

514
00:29:18,840 --> 00:29:23,000
you take a big tube and you 
shove it into the dirt because 

515
00:29:23,040 --> 00:29:26,520
you have to collect the dirt 
grains without them seeing the 

516
00:29:26,520 --> 00:29:29,560
light because you can tell the 
last time that they saw a light.

517
00:29:29,760 --> 00:29:32,120
So there's those. 
Oh, right. 

518
00:29:32,120 --> 00:29:34,040
Which are the ones really more 
popular? 

519
00:29:34,160 --> 00:29:38,240
Yeah. 
I do think you have to be quiet.

520
00:29:38,320 --> 00:29:39,840
Yes. 
Isn't that all the cosmogenic 

521
00:29:39,840 --> 00:29:42,080
stuff? 
Yeah, yes, yes. 

522
00:29:42,080 --> 00:29:44,240
They're like very demure, very 
mindful. 

523
00:29:44,560 --> 00:29:47,920
Indeed. 
It's like so late on that. 

524
00:29:47,920 --> 00:29:51,320
Sorry everyone. 
Yeah, but that's exciting. 

525
00:29:51,520 --> 00:29:54,400
Also, haven't we discussed? 
I know it's not necessarily 

526
00:29:54,400 --> 00:29:57,680
fossilized, but I feel like you,
me and Carrie are #1 fan. 

527
00:29:57,680 --> 00:30:02,720
That's right, David, Carrie, 
still #1 you'll be you're equal.

528
00:30:02,720 --> 00:30:05,200
You guys are Co #1. 
Didn't we have a whole 

529
00:30:05,200 --> 00:30:08,200
discussion on kangaroo rats and 
how they piss like little 

530
00:30:08,200 --> 00:30:11,200
crystals? 
How they're just like so water 

531
00:30:11,200 --> 00:30:15,480
efficient that they just like, 
they're just like peep peep? 

532
00:30:15,960 --> 00:30:19,240
How I do remember that. 
Yeah, they yeah, they also piss.

533
00:30:19,400 --> 00:30:20,720
They piss diamonds. 
Yeah. 

534
00:30:21,120 --> 00:30:22,040
God. 
Yeah, yeah. 

535
00:30:22,440 --> 00:30:25,240
Now I remember, I just remember 
thinking that was so painful 

536
00:30:25,240 --> 00:30:28,640
every time that I would talk 
about it, like just I it's like 

537
00:30:28,640 --> 00:30:31,400
how men talking about getting 
kicked in the polls, I would 

538
00:30:31,400 --> 00:30:35,080
just kind of wince every time 
that I thought about it, Yeah. 

539
00:30:35,120 --> 00:30:38,760
Yeah. 
I mean, it's basically. 

540
00:30:38,840 --> 00:30:42,080
Like bladder stones 24/7, right?
Like they must. 

541
00:30:42,080 --> 00:30:45,120
Have kind of I was going to say 
it's like it wasn't necessarily 

542
00:30:45,120 --> 00:30:47,360
meaning that to be a segue 
because if we've got, you know, 

543
00:30:47,520 --> 00:30:49,640
more Amber Rat, but. 
Oh I do, but. 

544
00:30:49,840 --> 00:30:51,520
It's related. 
It's related. 

545
00:30:52,240 --> 00:30:55,280
Do you think that that's 
evolutionarily why they started 

546
00:30:55,280 --> 00:30:58,360
retaining their piss is because 
it started hurting so bad to go 

547
00:30:58,360 --> 00:31:01,200
pee that they just kind of 
stopped peeing and then they 

548
00:31:01,200 --> 00:31:03,000
just adapted to take out more 
liquid? 

549
00:31:03,880 --> 00:31:06,600
Someone look at that. 
Definitely, definitely. 

550
00:31:06,600 --> 00:31:08,880
It was actually. 
I think it's more likely that 

551
00:31:08,880 --> 00:31:11,520
they were like, wow, look how 
beautiful these crystals are. 

552
00:31:11,520 --> 00:31:13,040
I'm going to decorate my house 
with them. 

553
00:31:13,720 --> 00:31:16,560
Yay, I'm a I'm an independent 
woman. 

554
00:31:16,800 --> 00:31:21,360
I can decorate my own house with
my own my own peak results. 

555
00:31:21,960 --> 00:31:26,960
Speaking of piss diamonds. 
Excellent look at this only on 

556
00:31:27,120 --> 00:31:32,880
the your favorite. 
So I have used rat middens to do

557
00:31:32,880 --> 00:31:36,920
radiometric dating, but some 
people wanted to know if you 

558
00:31:36,920 --> 00:31:41,080
could just straight up do 
analysis on the piss. 

559
00:31:41,360 --> 00:31:46,400
So like, there's a pretty recent
master's thesis on someone whose

560
00:31:46,680 --> 00:31:53,200
master's thesis was taking pack 
rat hardened piss, putting it in

561
00:31:53,200 --> 00:31:59,000
a hot bath of acid, drying it, 
super heating it to get CO2 gas,

562
00:31:59,480 --> 00:32:03,080
converting that CO2 gas to 
graphite, and then looking at it

563
00:32:03,080 --> 00:32:06,040
under a mass spectrometer 
because you could do isotopic 

564
00:32:06,040 --> 00:32:09,160
analysis on the carbon. 
Wow. 

565
00:32:10,240 --> 00:32:13,840
It's a long process. 
I was going to say no time to 

566
00:32:13,840 --> 00:32:18,280
introduce any errors in any of 
that, but I mean a lot of 

567
00:32:18,720 --> 00:32:23,720
sciences, a lot of. 
From rock to acid to dust to gas

568
00:32:23,720 --> 00:32:26,800
to rock again. 
That's the process. 

569
00:32:27,520 --> 00:32:30,160
That's the dream. 
That's the best. 

570
00:32:35,280 --> 00:32:39,400
I forgot to tell you the coolest
thing that has ever been found 

571
00:32:39,400 --> 00:32:41,400
in Pack Rat Mittens. 
Well, that's fine. 

572
00:32:41,400 --> 00:32:44,840
Oh my God, Yeah. 
Besides my future body, yeah. 

573
00:32:45,440 --> 00:32:48,200
Well, beside your future body 
and a beetle that they just 

574
00:32:48,200 --> 00:32:51,520
pretended they didn't know what.
It was. 

575
00:32:54,040 --> 00:32:59,120
They found a chunk of sloth poop
in a pack rat bin and they ran 

576
00:32:59,120 --> 00:33:02,000
adna analysis on it and they 
realized that it was a species 

577
00:33:02,000 --> 00:33:03,600
of sloth that we've never 
actually found. 

578
00:33:03,880 --> 00:33:06,720
So there's a new species of 
sloth described from DNA that 

579
00:33:06,720 --> 00:33:10,560
was in pack rat bin. 
That is so cool, I just took 

580
00:33:10,560 --> 00:33:13,200
adna test. 
Turns out I'm 100% that sloth 

581
00:33:13,200 --> 00:33:15,120
you didn't know existed. 
But thank God I did, because 

582
00:33:15,280 --> 00:33:19,160
pack rats pissed all over my 
shit and now you know that I am 

583
00:33:19,160 --> 00:33:20,880
here and isn't it a great new 
day? 

584
00:33:22,400 --> 00:33:23,440
That's how the song should have 
gone. 

585
00:33:23,440 --> 00:33:26,080
Amazing. 
Obviously. 

586
00:33:28,360 --> 00:33:31,280
Wow. 
That's that's just so cool. 

587
00:33:31,640 --> 00:33:35,960
Yeah, that's I I can't, I I I 
look forward to meeting that 

588
00:33:35,960 --> 00:33:39,800
sloth. 
I don't know why that means I 

589
00:33:39,800 --> 00:33:41,320
just. 
That's cool. 

590
00:33:41,320 --> 00:33:44,000
I had to only be known from your
DNA. 

591
00:33:44,120 --> 00:33:47,280
Yeah, that's cool. 
DNA in a shit but a pack rat? 

592
00:33:47,280 --> 00:33:50,560
DNA in a shit in a piss. 
They did describe it as a. 

593
00:33:50,560 --> 00:33:53,040
God. 
Chosen by the pack rat. 

594
00:33:53,080 --> 00:33:54,800
Like the pack rat was like that 
poop. 

595
00:33:54,960 --> 00:33:57,440
Yeah, you're coming with me. 
You're going to my house. 

596
00:33:58,240 --> 00:34:02,400
OK so season 1 was the Sturge 
duck in Is this the. 

597
00:34:03,080 --> 00:34:10,960
Slot. 
Slot rat Amberin might be like 

598
00:34:10,960 --> 00:34:13,760
how many layers of shit? 
This is amazing. 

599
00:34:17,000 --> 00:34:23,440
Inside all of the garbage piss. 
I found poop and it was great. 

600
00:34:23,440 --> 00:34:26,199
It was. 
From a special animal. 

601
00:34:26,480 --> 00:34:29,360
It's like that Ratlin box song 
from camp. 

602
00:34:29,800 --> 00:34:35,199
Yeah, the DNA and the poop and 
the and the baby and the Adobe. 

603
00:34:38,040 --> 00:34:44,560
And the Adobe and the shame. 
Oh my gosh. 

604
00:34:44,560 --> 00:34:48,159
I can't wait till we find, you 
know, I yeah, I can't wait to 

605
00:34:48,159 --> 00:34:50,639
find out what weird shit we find
in back rat middens. 

606
00:34:50,880 --> 00:34:53,000
And they're still alive. 
They're still they're doing 

607
00:34:53,000 --> 00:34:55,320
their thing. 
But what's creepy is they're 

608
00:34:55,320 --> 00:34:59,080
doing it in your attic. 
Like they love a good attic. 

609
00:34:59,080 --> 00:35:02,680
And So what is going to stop 
them from making a nice little 

610
00:35:02,680 --> 00:35:04,240
midden? 
Yeah, it's going to. 

611
00:35:04,240 --> 00:35:06,080
We're going to find some. 
It's exciting. 

612
00:35:07,040 --> 00:35:11,800
World is so much potential. 
So that's piss that became a 

613
00:35:11,800 --> 00:35:14,240
rock and then sometimes. 
People that became a. 

614
00:35:14,240 --> 00:35:16,560
Rock. 
Let's talk about rocks that form

615
00:35:16,560 --> 00:35:18,360
in piss. 
OK, that's right. 

616
00:35:18,360 --> 00:35:21,840
We've already talked about rocks
that preserves traces of piss, 

617
00:35:22,120 --> 00:35:24,520
piss that turns to rock. 
Now we're talking about rocks 

618
00:35:24,520 --> 00:35:27,080
that form. 
OK, so this one. 

619
00:35:27,080 --> 00:35:31,800
OK, so the first part of mine, I
don't know, I think amber, I 

620
00:35:31,800 --> 00:35:35,480
think amber rat would probably 
be called a Uralite, which is a 

621
00:35:35,480 --> 00:35:41,680
urine stone to describe like a 
in this the coke butt and the 

622
00:35:41,800 --> 00:35:44,840
all the other things we talked 
about the yeah, the impression 

623
00:35:44,840 --> 00:35:47,640
fossils. 
Whereas now Euro lifts, which 

624
00:35:47,640 --> 00:35:49,760
honestly mean the same fucking 
thing everybody. 

625
00:35:49,920 --> 00:35:54,200
So uro lifts are bladder stones 
versus uro lights are urine 

626
00:35:54,200 --> 00:35:57,960
stones. 
So uro lights are the same shit 

627
00:35:57,960 --> 00:36:02,960
that are any type of stone that 
your body can produce, as some 

628
00:36:02,960 --> 00:36:06,560
of us have experienced. 
I had a salivary stone because I

629
00:36:06,880 --> 00:36:09,760
take meds and it was very 
unpleasant. 

630
00:36:09,760 --> 00:36:12,000
And then I had this dentist who 
was like, I think you have a 

631
00:36:12,000 --> 00:36:13,680
salivary stone. 
And then I spent a lot of money 

632
00:36:13,680 --> 00:36:17,920
getting that little motherfucker
out, but I got like X-rays of my

633
00:36:17,920 --> 00:36:21,520
face, which was so cool. 
And I still have it somewhere 

634
00:36:21,520 --> 00:36:24,200
very small, maybe like a 
millimeter in diameter. 

635
00:36:24,400 --> 00:36:27,640
So essentially that's what 
calculi in the scientific world,

636
00:36:27,640 --> 00:36:31,520
that's what we refer to. 
That is it's just solid objects 

637
00:36:31,520 --> 00:36:35,080
that are frequently made of some
type of calcium carbonate, 

638
00:36:35,120 --> 00:36:37,600
calcium phosphate, something 
like that. 

639
00:36:37,920 --> 00:36:41,960
And they naturally are formed in
the bodies of animals. 

640
00:36:42,120 --> 00:36:45,080
As I said, you can get them in 
your salivary system, which is 

641
00:36:45,400 --> 00:36:46,720
rare. 
More people people are used to 

642
00:36:46,720 --> 00:36:49,880
them as kidney stones or you 
know, bladder stones or 

643
00:36:49,880 --> 00:36:52,480
something like that, gallstones 
as well. 

644
00:36:52,840 --> 00:36:55,040
So it just to kind of depends on
where they are. 

645
00:36:55,040 --> 00:36:58,120
Sometimes they form a little 
differently and depending on 

646
00:36:58,120 --> 00:36:59,800
where they are, they get 
different names. 

647
00:36:59,800 --> 00:37:04,640
So an entero lift is more that's
in the intestinal wall that can 

648
00:37:04,640 --> 00:37:10,440
happen, whereas our uro lifts 
are calculi of the urinary 

649
00:37:10,440 --> 00:37:14,240
tract. 
Now the oldest calculi, just 

650
00:37:14,240 --> 00:37:18,240
generally, not necessarily 
Urelith is from the Jurassic. 

651
00:37:18,240 --> 00:37:21,160
It's from some marine stuff. 
They hypothesize that it's a 

652
00:37:21,160 --> 00:37:24,760
marine reptile, like an 
ichthyosaur, and it's determined

653
00:37:24,760 --> 00:37:29,080
by kind of these concentric 
rings, these rounded objects 

654
00:37:29,080 --> 00:37:31,920
that look like what we find in 
modern animals. 

655
00:37:32,240 --> 00:37:35,640
So everybody who has found a 
concretion and tried to tell me 

656
00:37:35,640 --> 00:37:38,400
it was a dinosaur egg, you 
should be trying to tell me it's

657
00:37:38,400 --> 00:37:41,760
a dinosaur. 
Urelith yes, actually a lot of 

658
00:37:41,840 --> 00:37:46,720
these papers had to show that 
the stone wasn't an egg because 

659
00:37:46,720 --> 00:37:50,720
the first hypothesis was that 
these structures were eggs. 

660
00:37:50,840 --> 00:37:54,320
But because these things forms 
over time, it does form like 

661
00:37:54,320 --> 00:37:56,640
layers and different layers of 
like almost a shell. 

662
00:37:56,640 --> 00:37:59,240
And even when you cut through 
them they will Spall in those 

663
00:37:59,240 --> 00:38:04,160
layers as well. 
So with the oldest calculi is 

664
00:38:04,160 --> 00:38:10,680
like the Jurassic now the oldest
claimed true euro lift. 

665
00:38:10,880 --> 00:38:15,240
So bladder stone is claimed from
the Oligocene White River 

666
00:38:15,240 --> 00:38:21,520
formation of a archaic ungulate,
which I think is code for Orion.

667
00:38:22,200 --> 00:38:27,480
Yes, it's fucking oriental. 
Yes. 

668
00:38:28,720 --> 00:38:31,560
Yeah, essentially. 
I really, I really wanted them 

669
00:38:31,560 --> 00:38:34,800
to say Oridan, but they didn't. 
It's fine because this paper is 

670
00:38:35,720 --> 00:38:39,240
unquestionable in a lot of ways.
So you can go ahead and scroll 

671
00:38:39,240 --> 00:38:44,200
to my final picture, which is an
image of A is the Oligocene 

672
00:38:44,200 --> 00:38:49,200
bladder stone and then B is 
contrasted when it like it cut 

673
00:38:49,200 --> 00:38:53,240
in half. 
C is a human version, D is a 

674
00:38:53,240 --> 00:38:57,840
hog. 
We're looking at a urolith, A 

675
00:38:57,840 --> 00:39:03,480
about 35 to 39 year million year
old urolith. 

676
00:39:03,480 --> 00:39:09,440
And so A is the spheroid that 
they found in the White River 

677
00:39:09,440 --> 00:39:14,920
Formation of Colorado. 
It is an unassociated calcium 

678
00:39:14,920 --> 00:39:18,840
containing spheroid 3 
centimeters in diameter that was

679
00:39:18,840 --> 00:39:22,360
found in a massive Gray mudstone
in the Cedar Creek Formation. 

680
00:39:22,360 --> 00:39:24,080
OK, so maybe not the White River
Formation. 

681
00:39:24,080 --> 00:39:25,960
Maybe it's the White River group
and that's the formation. 

682
00:39:25,960 --> 00:39:28,920
I really know my primates are 
all dead by then. 

683
00:39:29,160 --> 00:39:32,560
Early Illicacine 30 to 
35,000,000 years old. 

684
00:39:32,960 --> 00:39:36,720
They talk about why it is 
because the layers tend to 

685
00:39:36,720 --> 00:39:39,880
separate and fall off, which is 
similar to human and animal 

686
00:39:39,880 --> 00:39:42,400
bladder stones. 
They compared it to a lot of 

687
00:39:42,400 --> 00:39:46,200
stuff from the Armed Forces 
Institute of Pathology, which 

688
00:39:46,200 --> 00:39:49,720
sounds both terrifying and 
really fucking cool. 

689
00:39:49,720 --> 00:39:55,320
Like very like. 
And so yeah, you know, they, the

690
00:39:55,320 --> 00:39:58,720
reason that they really come 
back to it being a urolith is 

691
00:39:58,720 --> 00:40:03,200
that, oh God, compared to 
inorganic concretions, this 

692
00:40:03,200 --> 00:40:07,840
feature results in part of in 
form from the decay of organic 

693
00:40:07,840 --> 00:40:11,520
material that had once bonded in
the layers of the urolith. 

694
00:40:11,920 --> 00:40:14,440
So as you can tell from my 
voice, I'm not really fucking 

695
00:40:14,440 --> 00:40:17,600
all that convinced that it's a 
urolith versus just a calculi. 

696
00:40:18,000 --> 00:40:22,000
And so one of their features is 
like, again, they're like the 

697
00:40:22,000 --> 00:40:24,360
external. 
Surface lacks evidence of linear

698
00:40:24,360 --> 00:40:28,760
structures, so it's not a bezoir
like hair or plant fibers, but 

699
00:40:28,760 --> 00:40:32,080
it is called. 
It is covered by small bumps, 

700
00:40:32,200 --> 00:40:37,040
giving it a mammary appearance. 
Megan look at part A. 

701
00:40:37,440 --> 00:40:40,800
Would you ever use the word 
mammary to describe? 

702
00:40:40,800 --> 00:40:44,520
Baby is that your mammary glands
look like this. 

703
00:40:44,680 --> 00:40:48,040
Go to the doctor. 
I will tell you that. 

704
00:40:48,280 --> 00:40:52,200
Oh, it's breastfeeding, They do.
Reminiscent of breastfeeding for

705
00:40:52,200 --> 00:40:56,760
sure, but that is not normal and
it was bad and it took a 

706
00:40:57,320 --> 00:41:01,160
ointment of both steroids, 
antibiotics, and antifungals to 

707
00:41:01,160 --> 00:41:02,800
clear that shit up. 
So this is. 

708
00:41:02,920 --> 00:41:08,800
Not, not mammary. 
Tissue So who and the lead 

709
00:41:08,800 --> 00:41:11,960
author, I'm just like OK, so who
looks at that and is like that 

710
00:41:11,960 --> 00:41:13,560
looks like it's covered in 
nipples. 

711
00:41:14,560 --> 00:41:18,800
Nipple rock. 
Therefore it is like a urolith, 

712
00:41:18,800 --> 00:41:22,360
so it has a composed of crystals
that are oriented perpendicular 

713
00:41:22,360 --> 00:41:25,480
to the surface of the mass and 
arrangement characteristic of 

714
00:41:25,480 --> 00:41:28,640
uroliths. 
When sectioned it, it showed a 

715
00:41:28,640 --> 00:41:32,760
hollow center with a small 
phosphatic pillar extending into

716
00:41:32,760 --> 00:41:35,320
the cavity. 
This is consistent with bladder 

717
00:41:35,320 --> 00:41:38,080
stones, some of which have a 
fluid filled center. 

718
00:41:38,640 --> 00:41:40,600
So they compared a lot to 
bladder stones. 

719
00:41:40,600 --> 00:41:43,840
But I mean, I am happy that I 
don't know what all of these 

720
00:41:43,840 --> 00:41:48,000
weird calculi can look like, but
it's just like again, it just 

721
00:41:48,160 --> 00:41:53,520
maybe cool. 
Sure, literally when you open 

722
00:41:53,520 --> 00:41:57,680
with it's unassociated I you 
just lose me by many steps. 

723
00:41:57,960 --> 00:41:58,600
Many. 
Steps. 

724
00:41:58,600 --> 00:42:02,280
It's going to be hard to approve
that it's something if it's 

725
00:42:02,280 --> 00:42:05,440
unassociated, especially since 
like the White River group has 

726
00:42:05,680 --> 00:42:09,880
lots of weird concretions and 
nodules and I don't know what 

727
00:42:09,880 --> 00:42:13,040
would convince me that it was a 
urinary stone other than finding

728
00:42:13,040 --> 00:42:14,600
it in an animal. 
Yes. 

729
00:42:14,680 --> 00:42:17,520
But that's what I need. 
Or for some animal to have 

730
00:42:17,520 --> 00:42:21,080
carved in and wearing it on a 
necklace, as this is my Uralith,

731
00:42:21,080 --> 00:42:23,480
which is what I'm planning on 
doing with my salivary stone. 

732
00:42:23,480 --> 00:42:30,280
So, you know, maybe, but no, I 
need to like, you know, the like

733
00:42:30,280 --> 00:42:32,360
we talked about copper lights. 
Part of the reason that Mary 

734
00:42:32,360 --> 00:42:35,280
Anning was convinced is she 
always found them consistently 

735
00:42:35,280 --> 00:42:39,320
within the pelvic and abdominal 
region of these ichthyosaurs. 

736
00:42:39,600 --> 00:42:42,880
So I'm like, you need to show me
some oriadons that have died 

737
00:42:42,880 --> 00:42:48,400
screaming and pain, rigamorous 
style from there from their 

738
00:42:48,400 --> 00:42:50,520
kidney stones that they're 
trying to pass. 

739
00:42:50,720 --> 00:42:55,560
By the way, they kept mentioning
staghorn calculi, which is the 

740
00:42:55,560 --> 00:42:57,600
worst sounding of the kidney 
stones. 

741
00:42:57,800 --> 00:43:00,960
It's a kidney stone that forms 
like if you take a cross section

742
00:43:00,960 --> 00:43:03,680
of a kidney and you know how it 
kind of looks like cauliflower, 

743
00:43:03,680 --> 00:43:07,120
like a little tree in there. 
Well, the stone itself forms in 

744
00:43:07,120 --> 00:43:10,320
that shape and you have to pass 
or have it surgically removed 

745
00:43:10,320 --> 00:43:12,720
because you have like 
cauliflower stones in your 

746
00:43:12,760 --> 00:43:15,880
kidneys. 
I've been on a fucking journey 

747
00:43:15,880 --> 00:43:21,960
today of ostrich pee, crocodile 
pee, staghorn calculi. 

748
00:43:22,080 --> 00:43:26,200
Do I have staghorn calculi? 
How do I avoid ever getting 

749
00:43:26,200 --> 00:43:31,200
staghorn calculi? 
And then Megan and then and then

750
00:43:31,400 --> 00:43:35,480
and then the Internet told me 
that there is a type of turtle 

751
00:43:35,480 --> 00:43:39,040
that can pee through its mouth. 
And I just like, literally died.

752
00:43:42,520 --> 00:43:45,760
Yes, we might have to like, 
dedicate a whole bonus episode 

753
00:43:45,760 --> 00:43:46,800
because we don't really have 
time. 

754
00:43:46,800 --> 00:43:48,640
Or maybe this will be, yeah, an 
excess. 

755
00:43:48,640 --> 00:43:51,760
But the Chinese soft shelled 
turtle has been shown and 

756
00:43:51,760 --> 00:43:55,200
published to urinate through its
mouth. 

757
00:43:55,200 --> 00:43:59,000
And you know, the classic way of
studying this, they put a bunch 

758
00:43:59,000 --> 00:44:02,440
of them into a tank. 
They covered up their butts and 

759
00:44:02,440 --> 00:44:05,800
they were able to measure 
exactly how much uric acid was 

760
00:44:05,800 --> 00:44:09,120
coming out of their assholes. 
And it was like nothing compared

761
00:44:09,120 --> 00:44:12,000
to the concentration of uric 
acid in the whole tank. 

762
00:44:12,120 --> 00:44:13,800
OK. 
And they have these extra, as 

763
00:44:13,800 --> 00:44:17,640
they're described, like mouth 
fingers to help them expand the 

764
00:44:17,640 --> 00:44:21,600
surface area of receptors for 
oxygen and carbon dioxide 

765
00:44:22,000 --> 00:44:24,600
passage so that they can breathe
better underwater. 

766
00:44:24,600 --> 00:44:27,160
And part of the benefits of this
is that they can also piss 

767
00:44:27,160 --> 00:44:30,000
through their mouth. 
So we've gone from piss sniffers

768
00:44:30,000 --> 00:44:32,520
to piss spitters in this 
episode. 

769
00:44:32,720 --> 00:44:35,640
Piss spitters like they prefer. 
They have this really weird 

770
00:44:35,640 --> 00:44:37,920
quote in the article where 
they're like, and then we put 

771
00:44:37,920 --> 00:44:40,760
them in front of a bucket of 
water in which they plunge their

772
00:44:40,760 --> 00:44:44,520
heads in for 20 to 100 minutes 
and afterwards there was a high 

773
00:44:44,520 --> 00:44:46,520
concentration of uric acid in 
the bucket. 

774
00:44:46,680 --> 00:44:48,120
What the fuck? 
Why? 

775
00:44:49,960 --> 00:44:52,600
So they can like, fully breathe 
underwater, they've got weird 

776
00:44:52,600 --> 00:44:56,360
mouth fingers, and they can pee 
through their fucking mouths. 

777
00:44:56,360 --> 00:45:01,040
I just, I don't understand what 
in the Pokémon evolution decided

778
00:45:01,160 --> 00:45:04,360
that that was going to be 
something meaning like that 

779
00:45:04,360 --> 00:45:06,200
doesn't make. 
Why? 

780
00:45:06,760 --> 00:45:09,800
Why do you want to do that? 
Why is it inadequate to piss 

781
00:45:09,800 --> 00:45:15,600
through The Reg tape? 
That's boring, Megan, God of 

782
00:45:15,600 --> 00:45:22,720
God's plan, apparently a lot of 
Apparently a lot of. 

783
00:45:24,320 --> 00:45:27,880
OK, now we're invoking God. 
Wow, where the fuck am I? 

784
00:45:29,840 --> 00:45:31,880
But why not? 
Life is boring. 

785
00:45:33,840 --> 00:45:36,320
OK, let me get weedy. 
Placed a bucket of water in 

786
00:45:36,320 --> 00:45:38,040
front of them. 
The turtles plunge their head in

787
00:45:38,040 --> 00:45:41,240
from between 20 to 100 minutes. 
They held their water in the 

788
00:45:41,240 --> 00:45:43,920
mouth for a while, then spat it 
out, at which the urea 

789
00:45:43,920 --> 00:45:46,040
concentration in the water 
increased. 

790
00:45:46,480 --> 00:45:49,640
Yeah, so they can excrete urea 
through their mouth. 

791
00:45:50,000 --> 00:45:54,640
Though there are other animals 
like some fish and some or some 

792
00:45:54,640 --> 00:45:58,240
fish can excrete it through 
their gills, some amphibians and

793
00:45:58,240 --> 00:46:01,960
lung fish do it through their 
skin and they think it might 

794
00:46:01,960 --> 00:46:06,480
have helped them deal with 
brackish water to excrete urea 

795
00:46:06,480 --> 00:46:08,360
through their cloaca via their 
kidneys. 

796
00:46:08,360 --> 00:46:10,920
The turtles wouldn't need to 
drink a lot of water to flush it

797
00:46:10,920 --> 00:46:12,880
through. 
That would mean taking it a lot 

798
00:46:12,880 --> 00:46:14,840
of salt, which would be 
difficult to get rid of. 

799
00:46:15,080 --> 00:46:17,280
Rather than drinking the 
brackish water, the turtles 

800
00:46:17,280 --> 00:46:20,120
habits allow them to simply 
rinse their mouths with it. 

801
00:46:22,520 --> 00:46:23,160
I. 
Don't. 

802
00:46:23,400 --> 00:46:28,480
OK, I mean that feels like a 
solid fucked up reason, but it 

803
00:46:28,480 --> 00:46:33,640
is a reason. 
The lead author thinks turtles 

804
00:46:33,640 --> 00:46:36,040
only started breathing 
underwater to make it easier to 

805
00:46:36,040 --> 00:46:41,280
urinate through their mouths. 
Like there was a consciousness. 

806
00:46:42,040 --> 00:46:44,560
There's like the they were all 
like this year. 

807
00:46:44,560 --> 00:46:47,880
We're going to do it. 
This year is our year. 

808
00:46:48,160 --> 00:46:50,520
You know, I'm going to dedicate.
Through our mouths. 

809
00:46:50,520 --> 00:46:53,680
More time to pissing through my 
mouth so that I can. 

810
00:46:54,040 --> 00:46:55,800
And you know, while I'm down 
here, why don't I breathe 

811
00:46:55,800 --> 00:46:59,000
through my ass? 
Yeah, and why don't I breathe 

812
00:46:59,000 --> 00:47:01,840
through my butt hole and just do
nothing, Right? 

813
00:47:01,840 --> 00:47:06,600
Yes. 
So I only scratched the surface 

814
00:47:06,600 --> 00:47:09,040
because I quite literally 
discovered this in the 11th 

815
00:47:09,080 --> 00:47:11,320
hour. 
But apparently there's something

816
00:47:11,320 --> 00:47:15,120
to be said for maybe we just, 
yeah, need to do a whole thing 

817
00:47:15,120 --> 00:47:18,760
on animals that do things 
through unexpected holes. 

818
00:47:18,840 --> 00:47:25,320
I don't know, I need to read the
paper in depth. 

819
00:47:25,320 --> 00:47:29,360
I've only skimmed so. 
Or just one on why turtles are 

820
00:47:29,680 --> 00:47:33,200
fucking epic. 
Yeah, yeah, yeah. 

821
00:47:33,200 --> 00:47:37,400
Because then this like young 
child tugs at me and cries a lot

822
00:47:37,400 --> 00:47:40,760
and I get distracted. 
The only reason you're not 

823
00:47:40,760 --> 00:47:42,680
dedicating full time to reading 
about. 

824
00:47:43,200 --> 00:47:44,080
Soft. 
It's true. 

825
00:47:46,440 --> 00:47:47,600
It's. 
True. 

826
00:47:49,160 --> 00:47:50,920
Why? 
This is why the only reason I 

827
00:47:50,920 --> 00:47:54,200
haven't flown to China to catch 
me some soft shell turtles to 

828
00:47:54,200 --> 00:47:59,040
watch them piss out their 
mouths, which still does not 

829
00:47:59,040 --> 00:48:02,640
really make sense to me. 
So piss man, it's all around us.

830
00:48:06,040 --> 00:48:08,560
Thank you for listening. 
If you liked the podcast, be 

831
00:48:08,560 --> 00:48:11,480
sure to rate and review us on 
your listening platform of 

832
00:48:11,480 --> 00:48:13,520
choice. 
We really, really, really 

833
00:48:13,520 --> 00:48:15,720
appreciate it if. 
You'd like to hear more and 

834
00:48:15,720 --> 00:48:18,160
support the show? 
You can follow us on Patreon for

835
00:48:18,160 --> 00:48:21,840
some exclusive bits or on our 
various social media platforms. 

836
00:48:21,840 --> 00:48:25,560
You can follow Amy on Instagram 
at Mary Anning's Revenge. 

837
00:48:25,760 --> 00:48:29,720
And Megan on Instagram and 
TikTok as geopedal fabric or 

838
00:48:29,720 --> 00:48:33,040
both of us at weird and dead on 
Instagram and TikTok. 

839
00:48:33,120 --> 00:48:35,640
Our theme song is Unlock Me by 
Praz Canal. 

840
00:48:35,640 --> 00:48:38,400
Cover art was provided by Chris 
Spencer and the hosts. 

841
00:48:38,560 --> 00:48:41,880
And this has been posted and 
researched by us, Amy Atwater 

842
00:48:41,880 --> 00:48:43,840
and may the weather welcome. 
Thank you for listening. 

843
00:48:48,560 --> 00:48:51,120
I'm going to have to sit with 
that knowledge for a long time 

844
00:48:51,280 --> 00:48:53,760
to really incorporate that one. 
I sent. 

845
00:48:53,760 --> 00:48:55,480
You the paper. 
I knew all the gross things that

846
00:48:55,480 --> 00:48:58,400
turtles could do, and I haven't 
even scratched the surface.

