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Ologies with Alie Ward

Paleohistology (WHY TEETH EXIST) with Yara Haridy

Ologies with Alie Ward

Alie Ward

Society & Culture, Science, Comedy

4.925.7K Ratings

🗓️ 21 January 2026

⏱️ 84 minutes

🧾️ Download transcript

Summary

Excuse me, why do you have teeth? How did they get in your mouth and where did they come from? Let’s ask researcher, tooth enthusiast, and Paleohistologist Dr. Yara Haridy. She opened up the archives at Chicago’s Field Museum to chat about ancient skulls, drawers of bones, and the evidence that changed how we think about chompers. Drop your jaws as we discuss the origins of teeth, why yours hurt, the long-debated rumors of extinct species, how particle accelerators and paleontology worlds collide, what tools fossil pickers rely on, teeny tiny mysteries, why you should hug a tree before it kills you, and why a catfish might become your overlord.

Transcript

Click on a timestamp to play from that location

0:00.0

Oh, hey, it's your neighbor's Wi-Fi network that shows up as New England clam router,

0:04.5

Allie Ward, and we are biting up just enough to chew about ancient animal anatomy, particularly

0:09.9

little weird teeth. I know you never knew that you needed to know about this, and it's wild,

0:14.2

it's fascinating, I promise you, it's like a little corner of the earth in time you'd never

0:19.1

otherwise imagine, unless you are this

0:21.9

ologist or one of their colleagues, paleontologists who study fossilized prehistoric tissue samples.

0:28.0

I love this. This ologist, an old friend, I met on the internet on Twitter, ye old Twitter,

0:34.1

and someone who was always on hand to help identify a bone who popularized the hashtag guess the skull and loves the history of bones.

0:42.8

They were born in Morocco. They grew up in Egypt and moved to Canada as a preteen, then did undergrad in premed at the University of Toronto before getting a master's in ecology and evolutionary biology there, studying animal

0:55.1

jawbones. Then they got their PhD at the Humboldt University of Berlin and as a postdoc at the

1:01.0

University of Chicago has already published several papers, including the 2025 Nature Paper,

1:06.8

the origin of vertebrate teeth and evolution of sensory exoskeletons that's like shaking up the

1:12.7

fossil world. And in addition to being a professional paleontologist and an evolutionary biologist,

1:17.7

there are also a celebrated science communicator who says that they love finding creative

1:22.1

ways to make science accessible, weird, and wonderful for everyone, which this episode does so

1:27.1

much. So we're going to get into it in a minute, but first, thank you so much to patrons of the show who make it possible, and they send in hilarious and thoughtful questions before we record. Thank you to everyone out there supporting the show by wearing our merch from ologiesmerch.com. As a reminder, also we have a shorter kid-friendly episodes suitable for all ages and classroom

1:45.5

safe. And those are called Smologies, S-M-O-L-O-G-I-E-S. They're available in their own feed,

1:51.6

wherever you get podcasts, you can subscribe. And thanks to everyone who leaves reviews of the show

1:56.2

and to provide evidence that I do read them all. Thank you to recent reviewer Coco reads books,

2:01.6

who said that ologies, quote, can make the most obscure, weird topic super interesting.

2:06.7

Coco, you have no idea. We're about to do it again. Okay, paleo histology. It comes from

2:11.8

words for old tissues, and the histo in tissues comes from an older Greek word that means web. And I was in Chicago a few

...

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