Episode 192 - Tongues

The Common Descent Podcast

Common Descent

Science, Education, Earth Sciences, Natural Sciences, Science:natural Sciences

4.8 • 764 Ratings

🗓️ 26 May 2024

⏱️ 131 minutes

🔗️ Recording | iTunes | RSS

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Summary

Tongues are a common feature among tetrapod animals, but the evolution of this organ is complex and fascinating. Through time, tongues have evolved a wide variety of functions from feeding to sensing to speech. This episode, we’ll explore the diversity of tongues and their bony counterparts in the hyoid apparatus, we’ll examine what’s known about tongue evolution, and we’ll discuss how fossils – especially hyoids – help us interpret the tongues of extinct species. In the news: dinosaur temperatures, ancient geomagnetism, Martian lake conditions, and splitting sea stars. Time markers:Intro & Announcements: 00:00:00News: 00:08:15Main discussion, Part 1: 00:39:55Main discussion, Part 2: 01:24:05Patron question: 02:02:40 Check out our website for this episode’s blog post and more: http://commondescentpodcast.com/ Join us on Patreon to support the podcast and enjoy bonus content: https://www.patreon.com/commondescentpodcast Got a topic you want to hear about? Submit your episode request here: https://commondescentpodcast.com/request-a-topic/ Lots more ways to connect with us: https://linktr.ee/common_descent The Intro and Outro music is “On the Origin of Species” by Protodome. More music like this at http://ocremix.org Musical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0

Transcript

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0:00.0	You're listening to the Common Descent Podcast.
0:19.0	Hello, David. Hello, Will.
0:21.3	And hello listeners.
0:22.7	Welcome to episode 192 of the Common Descent Podcast.
0:27.2	This episode, we are discussing a body part, specifically the tongue.
0:31.6	We are returning to just a whole episode about a specific part of the body.
0:35.4	Yes.
0:35.7	And what a fun part of the body to do an episode about.
0:39.1	It's a cool appendage.
0:40.5	It gets so weird, so fast.
0:43.3	And this has been one of my favorite of the body part episodes to do.
0:48.3	So I'm very excited to get into it.
0:50.3	And this will talk about what makes up a tongue, you know, what it is, how it varies, and how we're able to study this soft body part in the fossil record and what we're able to glean from the evidence we do have.
1:02.8	Yes, as you might imagine for an organ in the eating place, very informative about lifestyles and habits of modern and fossil animals.
1:12.8	Yep, both from like mundane stuff to weird stuff.
1:17.0	It's much like teeth.
1:18.1	Yes.
1:18.6	Episode 88, we had a whole discussion about teeth.
1:21.0	Teeth are extremely valuable to study because they are one of the fundamental interfaces
1:26.3	between a living organism and its environment.
1:29.5	Absolutely.
1:30.6	So we'll be discussing that this episode.
	...

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