Episode 112 - Caves

The Common Descent Podcast

Common Descent

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

4.8 • 764 Ratings

🗓️ 2 May 2021

⏱️ 122 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Subterranean passages and chambers within the Earth form eerie and incredible environments that are home to unique ecosystems of bizarre creatures and which serve as some of the most invaluable sources of fossils in the world. This episode, we discuss how caves form, what ecosystems dwell within them, and why they’re so darn important for paleontology. In the news: pterosaur thumbs, scimitar-cat diets, counting T. rex, and ancient soil DNA. Time markers: Intro & Announcements: 00:00:00News: 00:03:30Main discussion, Part 1: 00:35:00Main discussion, Part 2: 01:16:00Patron question: 01:55:00 Check out our blog for bonus info and pictures:http://commondescentpodcast.wordpress.com/ Find merch at the Common Descent Store! http://zazzle.com/common_descent Follow and Support us on: Patreon: https://www.patreon.com/commondescentpodcast Twitter: https://twitter.com/CommonDescentPCFacebook: https://www.facebook.com/commondescentpodcastInstagram: @commondescentpodcast YouTube: https://www.youtube.com/channel/UCePRXHEnZmTGum2r1l2mduwPodBean: https://commondescentpodcast.podbean.com/ iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2 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 3.0http://creativecommons.org/licenses/by/3.0/

Transcript

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0:00.0	You're listening to the Common Descent Podcast.
0:18.7	Hello, Will.
0:20.0	Hello, David. Hello, David.
0:21.1	Hello, listeners, and welcome to episode 112 of the Common Descent Podcast.
0:27.9	Today, our topic is caves.
0:31.1	Caves.
0:31.7	Caves.
0:32.3	Caves.
0:33.7	Caves.
0:34.2	This is a real big, it's a deep topic.
0:38.8	A deep, complex.
0:40.8	Complex branching.
0:44.6	There's a lot to talk about with caves.
0:46.7	I had, I've put, I had to consider lots of different avenues when putting this episode
0:52.4	together.
0:53.4	But we are going to be discussing caves, what caves are, their formation and everything.
0:59.2	We're going to discuss the biology and ecology of caves.
1:03.3	Who lives in caves?
1:04.6	Which is a very fun biological subject.
1:07.7	And then, of course, we're going to do a little bit of history, evolution, and
1:12.2	paleontology, cave paleontology, which is a whole thing. Yeah, like, that's a whole field of
1:18.6	paleontology for some people. Caves are extremely important as resources, natural resources,
	...

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