Episode 73 - Trees

The Common Descent Podcast

Common Descent

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

4.8 • 764 Ratings

🗓️ 3 November 2019

⏱️ 116 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Aly's back for more plants! As our friend Aly is fond of pointing out, plants aren't just the colorful background of Earth history, they're dynamic and influential drivers of environmental change. And few plant innovations are more famous or important than the familiar form of a tree. For hundreds of millions of years, trees have formed the basis of many of our planet's most widespread and diverse ecosystems. In this episode, Aly takes us on a tour of tree history! In the news: more dinosaur air conditioning, trilobite lines, moth hearing, and 1,000 plant trascriptomes. Time markers: Intro & Announcements: 00:00:00News: 00:04:30Main discussion, Part 1: 00:33:00Main discussion, Part 2: 01:10:30Patron question: 01:47:30 Check out our blog for bonus info and pictures:http://commondescentpodcast.wordpress.com/ We're doing another End of the Year Q&A! Submit your question here: https://forms.gle/E398RmMhGvaYHpz6A The Common Descent Store is open! Get merch! 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/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.
0:19.0	Hello, Will. Hello, David. Hello, listeners, and welcome to episode 73 of the Common Descent
0:26.7	Podcast. 73. Today, our episode topic is trees. Cool. Wait, we don't know about trees. We
0:35.1	don't know anything about trees. And you know what that means.
0:38.5	Allie episode. It's an Alley episode. Woo! After the announcements and after the news, we will be joined by our recurring friendly neighborhood paleobotanist, Allie Baumgartner. So for those of you who like Allie, which seems to be quite a lot of you.
0:54.8	Stay tuned.
0:56.4	Trees is a really exciting topic.
0:59.0	Yes.
0:59.3	Because Allie's going to be here.
1:00.6	And also, because like grass, back in episode 38, trees are a shape of plant, an innovation
1:10.0	of plant lifestyle that completely reformatted the planet.
1:15.9	Change the face of the planet in the most literal sense.
1:19.7	Exactly. So, we're going to talk about what makes a tree, how trees got to be the trees that
1:26.2	we know them today, and how they have changed
1:28.5	the world over our earth history. And I'm excited because I don't know anything about trees.
1:32.8	I'm ready to learn. As we love Allie episodes because we just get to sit back and learn stuff.
1:37.5	It's just an entire episode I was going, no. What? That's crazy. The other reason we're doing this episode is because it was requested by two of our patrons, Nils and Bob.
1:51.5	Thanks, Nils and Bob.
1:52.6	Thanks, folks.
1:54.1	Hey, speaking of patrons, you know, we have this Patreon and our patrons get all sorts of cool goodies.
2:00.8	So if you're a patron, you get bonus
2:02.7	content like bonus news. After this episode, we'll have a recording with Allie after chat up on
	...

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