Episode 114 - Polar Life

The Common Descent Podcast

Common Descent

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

4.8 • 764 Ratings

🗓️ 30 May 2021

⏱️ 119 minutes

🔗️ Recording | iTunes | RSS

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Summary

Far to the north and far to the south, conditions on Earth get weird. Cold climates and periods of perpetual night or day create some of the most unique habitats on the planet. In this episode, we look at what makes the polar regions so strange, how they’ve changed over time, what it takes for life to survive there, and what fossils tell us about what lived there in the past. In the news: gut microbiomes, chewed Neanderthals, ancient symbiosis, and very old turtles. Time markers:Intro & Announcements: 00:00:00News: 00:04:30Main discussion, Part 1: 00:32:30Main discussion, Part 2: 01:13:30Patron question: 01:44:30 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.
0:18.8	Hello, David. Hey there, Will.
0:20.6	And hello, listeners. Hey there, Will.
0:22.0	And hello listeners.
0:26.0	Welcome to episode 114 of the Commodicent podcast.
0:28.6	Today we're talking about polar life.
0:29.9	Life in Poland.
0:32.4	Yes, strictly only in Poland.
0:34.0	The one, in the Poles. This is, uh, this episode brought to you by the Poland Tourist Foundation.
0:38.1	Yeah, new sponsor.
0:39.5	Stay tuned for a commercial later on.
0:41.3	I assume you mean the extreme north and the extreme south.
0:44.5	Yes, the north and south poles of our planet, the top and bottom, so to speak, that has a very unusual environment and therefore set of challenges for life.
0:56.1	Weird temperature settings, weird light settings.
0:58.3	Yep.
0:59.0	The poles are two of the most extreme places to be on the planet.
1:04.0	And that's in every aspect of the temperatures, the light, as you said.
1:09.0	Also the location.
1:10.6	Like, they're not easy to get to
1:12.9	in many ways, depending on which one you're going to. There's lots to talk about with what makes
1:17.4	the poles the poles and what life has to do to survive there and what those areas of our planet
1:23.0	have been like in their past. So those are the things we're going to look at. We're going to be focusing
	...

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