Episode 92 - Eggs

The Common Descent Podcast

Common Descent

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

4.8 • 896 Ratings

🗓️ 26 July 2020

⏱️ 127 minutes

🔗️ Recording | iTunes | RSS

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Summary

Everybody starts somewhere, and most animals start inside an egg! Eggs are about as old and as varied as animal life itself, and when they show up in the fossil record, they can be very telling. In this episode we discuss what goes inside an egg, what makes them so special and useful, and what we can learn from their patchy fossil record. In the news: early archosaurs, more on Dilophosaurus, Microraptor feathers, and a large dolphin. Time markers: Intro & Announcements: 00:00:00News: 00:04:30Main discussion, Part 1: 00:32:00Main discussion, Part 2: 01:13:30Patron question: 01:58:00 Check out our blog for bonus info and pictures:http://commondescentpodcast.wordpress.com/ New merch at the Common Descent Store! http://zazzle.com/common_descentFeaturing art by Rob Soto! https://www.rob-soto.com/ Follow and Support us on: Patreon: https://www.patreon.com/commondescentpodcast Twitter: https://twitter.com/CommonDescentPCFacebook: https://www.facebook.com/commondescentpodcastInstagram: @commondescentpodcast PodBean: https://commondescentpodcast.podbean.com/ iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2YouTube: https://www.youtube.com/channel/UCePRXHEnZmTGum2r1l2mduw 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.
0:18.2	Hello, David. Hello, Will. And hello, listeners.
0:22.3	Welcome to episode 92 of the Commonestim podcast.
0:25.8	What's on the docket today?
0:27.6	Eggs.
0:28.3	Eggs?
0:28.9	Yeah, we're talking about eggs.
0:31.1	Big topic.
0:32.0	Yeah, this is a big topic.
0:33.5	About mostly small things.
0:34.8	Yes.
0:36.3	Eggs, as many of you are aware, are where a lot.
0:39.9	In fact, most young animals come from.
0:43.0	This is true.
0:45.1	So we're going to discuss what is an egg, what makes up an egg, some of the variety, a little bit about the evolution, and then a bit about what the fossils
0:57.6	are like and what we learn from them. Yeah, it seems like this might be a lot like episode 88
1:03.9	about teeth. Yeah. This is a thing that many animals share. Or eyes. I was reminded of eyes. Yes,
1:12.1	episode 68.
1:17.7	So yeah, we've got a lot to delve into for an overview of eggs.
1:29.7	And this topic was requested by two of our patrons, Brett and Jim, and Antonio, Holly, and several people when we were watching Godzilla in 1998 during our Netflix party.
1:31.3	Oh, that's right.
1:32.1	That's right.
	...

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