Episode 130 - Sense of Smell

The Common Descent Podcast

Common Descent

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

4.8 • 764 Ratings

🗓️ 9 January 2022

⏱️ 137 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

With every breath you take, you’re collecting information about your surroundings. We humans are actually pretty skilled smellers, as these things go, but olfactory abilities vary widely across the animal kingdom (and beyond). In this episode, we discuss how smelling works, what smelling is good for, and how scientists explore the evolutionary history of smell. In the news: giant ichthyosaurs, giant millipedes, long-tongued birds, and oviraptorid embryos. Time markers:Intro & Announcements: 00:00:00News: 00:05:30Main discussion, Part 1: 00:39:00Main discussion, Part 2: 01:27:30Patron question: 02:07:00 Check out our blog for bonus info and pictures:http://commondescentpodcast.wordpress.com/ Join us on Patreon to support the podcast and enjoy bonus content! https://www.patreon.com/commondescentpodcast Or make a one-time donation via PayPal: https://tinyurl.com/4c68u4hp Find merch at the Common Descent Store! http://zazzle.com/common_descent Follow and Support us on: 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 You can email us at commondescentpodcast(at)gmail.comOr send us physical mail at:The Common Descent Podcast1735 W State of Franklin Rd. Ste 5 #165Johnson City, TN 37604 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.
0:18.4	Hello, David. Hello, Will.
0:20.5	And hello, listeners. Hello, Will.
0:21.9	And hello, listeners.
0:25.6	Welcome to episode 130 of the Commonestcent Podcast.
0:28.1	Today's episode is Smell.
0:29.0	Smell.
0:30.8	And this is the first episode of the year.
0:32.2	It's with Smellovision.
0:34.0	It is in 2022.
0:35.6	Now with Smellow Vision.
0:42.2	Yes, this is our first episode of the new year, and we will be talking about the sense of smell.
0:47.6	Yeah, we did an episode on Eyes, episode 68, quite some time ago.
0:51.2	So this is our first return to a sense in a big way. So we will be discussing what it takes for us to sense smells and for animals to sense smell.
0:59.0	And what is that?
1:00.8	What does it mean?
1:02.0	You know, how is that unique compared to the other senses?
1:06.6	How is it unique from organism to organism?
1:09.9	Yeah, what's the diversity of smellers?
1:11.8	Because there are some real crazy ways that things decide to sniff stuff.
1:16.4	And then, of course, we'll go through the evolution and how we try to and are able to discern or study smell in the fossil record.
1:24.6	Yeah, this episode will mostly regard the sense of smell, not the smells
	...

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