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Join David and Will as they explore the paleontologists’ perspective on various topics in life and earth history. Each episode features a main discussion on a topic requested by the listeners, presented as a lighthearted and educational conversation about fossils, evolution, deep time, and more. Before the main discussion, each episode also includes a news segment, covering recent research related to paleontology and evolution. Each episode ends with the answer to a question submitted by subscribers on Patreon. New episodes with new topics every fortnight!
Join David and Will as they explore the paleontologists’ perspective on various topics in life and earth history. Each episode features a main discussion on a topic requested by the listeners, presented as a lighthearted and educational conversation about fossils, evolution, deep time, and more. Before the main discussion, each episode also includes a news segment, covering recent research related to paleontology and evolution. Each episode ends with the answer to a question submitted by subscribers on Patreon. New episodes with new topics every fortnight!
Episodes

Saturday Jun 15, 2019
Silver Screen Science – Kaiju Concepts
Saturday Jun 15, 2019
Saturday Jun 15, 2019
Part 3 of 5 in this month’s series: KaiJune!
There’s a new Godzilla movie, and that means it’s time for more movie science! All June, we’ll be exploring giant monster movies, specifically looking at two of the most famous examples of all time: King Kong and Godzilla. How do these movies handle such subjects as prehistoric creatures, the science of paleontology, and the portrayal of scientists?
This episode, we’re talking about kaiju in general, with special focus on Cloverfield (2008) and Pacific Rim (2013).
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.

Saturday Jun 08, 2019
Silver Screen Science - Gojira (1954)
Saturday Jun 08, 2019
Saturday Jun 08, 2019
Part 2 of 5 in this month’s series: KaiJune!
There’s a new Godzilla movie, and that means it’s time for more movie science! All June, we’ll be exploring giant monster movies, specifically looking at two of the most famous examples of all time: King Kong and Godzilla. How do these movies handle such subjects as prehistoric creatures, the science of paleontology, and the portrayal of scientists?
This episode, a new monster is born: Gojira (1954)
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.

Saturday Jun 01, 2019
Episode 62 – Amber
Saturday Jun 01, 2019
Saturday Jun 01, 2019
When it comes to exceptional forms of preservation, it’s hard to beat amber. These fossilized chunks of tree resin have provided some of the most incredible ancient remains ever found. In this episode, we’ll discuss how amber forms and where the most famous amber deposits are, and we'll just scratch the surface of the astonishing diversity of amber-enclosed treasures that teach us so much about ancient ecosystems.
In the news: dinosaur baby steps, ancient red mice, tip-toeing sauropods, and really old fungus.
Time markers:
Intro & Announcements: 00:00:00
News: 00:05:30
Main discussion, Part 1: 00:27:00
Main discussion, Part 2: 00:57:00
Patron question: 01:27:30
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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 3.0
http://creativecommons.org/licenses/by/3.0/

Saturday Jun 01, 2019
Silver Screen Science - King Kong (1933)
Saturday Jun 01, 2019
Saturday Jun 01, 2019
Part 1 of 5 in this month’s series: KaiJune!
There’s a new Godzilla movie, and that means it’s time for more movie science! All June, we’ll be exploring giant monster movies, centering around two of the most famous examples of all time: King Kong and Godzilla. How do these movies handle such subjects as prehistoric creatures, the science of paleontology, and the portrayal of scientists?
This episode, we begin where it began: King Kong (1933).
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.

Saturday May 18, 2019
Episode 61 - Behavior in the Fossil Record
Saturday May 18, 2019
Saturday May 18, 2019
It’s easy to see how fossils can teach us what ancient animals looked like, or how they evolved. But what about the ways they moved, ate, socialized, reproduced? In this episode, we explore the innovative ways paleontologists have devised to interpret the behavior of ancient animals. From their bones, their tracks, their living relatives, and modern clever experimentation, we can come to understand more than you’d ever imagine about behavior in the fossil record.
In the news: a Denisovan jaw, a new bat-winged dinosaur, a cave of wonders, and a flapping robot.
Time markers:
Intro & Announcements: 00:00:00
News: 00:05:30
Main discussion, Part 1: 00:32:30
Main discussion, Part 2: 01:07:30
Patron question: 01:41:30
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
How do you become a paleontologist? A GREAT post by our friends at Time Scavengers!
https://timescavengers.blog/2019/05/13/how-do-you-become-a-paleontologist/
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.
Muscial Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/

Saturday May 04, 2019
Episode 60 - Turtles
Saturday May 04, 2019
Saturday May 04, 2019
Turtles are so weird and wonderful. They're unlike any other living reptiles, mostly because they've turned their entire torso skeleton into an armor-home. A glimpse into the fossil record reveals that they've been this way for more than 200 million years. And yet, with all our data on living and extinct turtles, they remain one of the most mysterious and confusing living vertebrate groups. Here's an episode about all of that.
In the news: death rolls, one huge predator, one weird crab, the Gray Site rhino, and a poop snake.
Time markers:
Intro & Announcements: 00:00:00
News: 00:03:00
Main discussion, Part 1: 00:35:30
Main discussion, Part 2: 01:07:30
Patron question: 01:36:30
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.
Muscial Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/

Saturday Apr 20, 2019
Episode 59 - Bats
Saturday Apr 20, 2019
Saturday Apr 20, 2019
Many groups of life have conquered the land and water, but only four times in evolutionary history has life taken to the air. The most recent group to achieve flight are bats. Their combination of flight and advanced echolocation have earned them an incredible diversity, a worldwide distribution, and a deep-seated place in human culture, but their evolutionary history is a long-standing mystery, and their fossil record is nearly non-existent. But that's not going to stop us from geeking out about them!
In the news: dinosaur scales, diverging crows, a new human, seal evolution, and that butchered mastodon again!
Time markers:
Intro & Announcements: 00:00:00
News: 00:04:30
Main discussion, Part 1: 00:36:00
Main discussion, Part 2: 01:09:30
Patron question: 01:49:00
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.
Muscial Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/

Saturday Apr 06, 2019
Episode 58 - The Bone Wars
Saturday Apr 06, 2019
Saturday Apr 06, 2019
It was the late 1800s, and paleontology was just getting started in the Americas. Two prolific and passionate scientists, Edward Drinker Cope and Othniel Charles Marsh, among the earliest prominent fossil researchers on the continent, struck up a legendary rivalry. Their battles took place in the field and in the literature, and over three decades they engaged in some of the nastiest and most petulant quarreling in scientific history. This infamous era in early paleontology became known as The Bone Wars.
In the news: an egg in an ancient bird, a new mastodon, a giant T. rex, and the day the Cretaceous ended.
Time markers:
Intro & Announcements: 00:00:00
News: 00:05:00
Main discussion, Part 1: 00:39:30
Main discussion, Part 2: 01:07:30
Patron question: 01:47:30
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.
Muscial Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/

Saturday Mar 23, 2019
Episode 57 - Evolution of Flowering Plants (Angiosperms)
Saturday Mar 23, 2019
Saturday Mar 23, 2019
Look who's back - our favorite paleobotanist, Aly Baumgartner!
And that means it’s time for more plants! As you may have noticed, the world around you is absolutely full of flowers. Angiosperms have dominated nearly every terrestrial ecosystem on the planet, but the story of their early evolution is a famous conundrum. Darwin called it an “abominable mystery,” but there are some tantalizing clues as to how this group of plants got their start and then evolved to the incredible diversity we see today.
In the news: new Cayman mammals, louse camouflage, a geologic orrery, and language evolution.
Time markers:
Intro & Announcements: 00:00:00
News: 00:04:00
Main discussion, Part 1: 00:35:30
Main discussion, Part 2: 01:10:00
Follow Aly on Twitter: @kyrietree
The Common Descent Store is open! Get merch! http://zazzle.com/common_descent
Check out our blog for bonus info and pictures:
http://commondescentpodcast.wordpress.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.
Muscial Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/

Tuesday Mar 19, 2019
Sloth Chat Livestream 2018
Tuesday Mar 19, 2019
Tuesday Mar 19, 2019
In April 2018, we hosted this Sloth Chat Livestream!
Following up from Episode 24 (Sloths), we were joined by sloth scientists Ryan Haupt and Robert McAfee to answer audience questions about sloths, living and extinct!
For anyone who didn't (or doesn't want to) watch it on YouTube, here it is in audio format for your listening pleasure!
You can also still watch the original recording on YouTube: https://www.youtube.com/watch?v=qirqw5ei45U
Find Ryan:
https://ryanhaupt.com/
Twitter: @haupt
Find Robert:
http://slothsearch.com
Twitter: @DocSloth
Hear Ryan and Robert discuss sloths on Science … Sort Of:
https://sciencesortof.com/show-notes/2014/10/episode-207-drop-bears-of-south-america
https://sciencesortof.com/show-notes/2016/6/episode-242-the-little-slothologist-that-could
Hear Will and David chat with Ryan on Science … Sort Of:
https://sciencesortof.com/show-notes/2018/7/episode-287-descent-into-madness
Keep up to date with modern sloth conservation with the Sloth Conservation Foundation, founded by Dr. Becky Cliffe, the one sloth scientist who didn’t make it to our Sloth Chat: https://slothconservation.com/
Follow and Support us on:
Patreon: https://www.patreon.com/commondescentpodcast
Twitter: https://twitter.com/CommonDescentPC
Facebook: https://www.facebook.com/commondescentpodcast/
PodBean: https://commondescentpodcast.podbean.com/
iTunes: https://itunes.apple.com/us/podcast/the-common-descent-podcast/id1207586509?mt=2
YouTube: 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.
