This is a HeadGum podcast.

Hello and welcome to Factually, I'm Anna

Adam Conover. Thank you for joining me once again as I talk to an amazing expert about

all the amazing stuff they know that I don't know and that you probably don't know.

We together are going to try to pry all that delicious knowledge meat out of their skulls

and cram it into our own. That's what we're doing on this show.

But first, I want to thank everyone who makes this show possible by supporting our Patreon.

If you want to join them, head to patreon.com slash Adam Conover where you can get bonus

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It's an awesome community.

You can join us at patreon.com slash Adam Conover.

But hey, the podcast itself is still free.

You don't got to subscribe at all to listen to this episode.

So let's talk about what we are talking about on the show today.

Today, we're talking about shit, you know, poop, caca, fecal matter.

Everybody when we're pondering the great accomplishments of humankind, we don't usually think

about poop.

And yet, poop is the stuff that comes out of all of our butts.

Your butt, my butt and a great chain of butts stretching back hundreds of thousands of years.

It's one of the most basic parts of humanity.

...