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PODCAST

The Common Descent Podcast

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

science natural sciences

All Episodes

05:22:32

End of the Year Q&A 2024

The Common Descent Podcast ·

2024/12/31

Happy New Year! Welcome back to our annual, traditional question-answering marathon! As always, a big thank you to everyone who submitted questions for this Q&A, everyone who has listened and shared and engaged with us throughout the year, and especially to our Patrons, who make this podcast possible. See you in 2025! Check out our website for our blog posts and more: http://commondescentpodcast.com/ Join us on Patreon to support the podcast and enjoy bonus content:

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02:09:22

Episode 207 - Therizinosaurs

The Common Descent Podcast ·

2024/12/22

Most theropod dinosaurs are sleek predators built for speedy movement and efficient hunting. Therizinosaurs are unusual. They’re slow and stocky and, in many ways, more like the famous plant-eating dinosaurs. This episode, we’ll explore the diversity of therizinosaurs, the winding path that paleontologists took to understand them, the many ways they became specialized for a diet of plants, and what was going on with those claws. In the news: Parasaurolophus crests, Scottish bears, anglerfish

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02:07:54

Episode 206 - Vestigial Structures

The Common Descent Podcast ·

2024/12/08

Evolution involves the innovation of new features, but even more reduction of old features. Those reduced features might disappear, develop in a new direction, or just linger as a functionless evidence of deep ancestry. This episode, we explore how we identify vestigial traits, how they help us understand evolutionary history, and the various evolutionary paths vestigial structures can take.In the news: giant worm lizards, drumstick evolution, dinosaur poop, and pterosaur transitions. Time

en

01:20:06

Spotlight 2024 - Kallie, Gabriel, and Blake, Eons

The Common Descent Podcast ·

2024/12/04

Welcome to Spotlight 2024! In this series, we’re sitting down with our fellow paleo-podcasters to discuss Science Communication. It’s the final episode! And we’re thrilled to be joined by Kallie, Gabriel, and Blake from PBS Eons and their podcast, Eons: Surviving Deep Time! Find Eons here: https://podcasts.apple.com/us/podcast/eons-surviving-deep-time/id1610360633 https://www.youtube.com/@eons Find Kallie online at @fossil_librarian and www.kallielmoore.com Kallie’s book, Tales of the Prehistoric

en

02:20:32

Episode 205 - Parasitic Plants

The Common Descent Podcast ·

2024/11/24

Not all plants rely on the sun for their energy. Thousands of species are adapted for stealing nutrients from other plants. This episode, Aly joins us to explore the diversity and evolution of parasitic plants, their varied lifestyles, and their impacts on their hosts. We also examine the surprising nature of the parasitic plant fossil record.In the news: a frozen sabertooth kitten, plesiosaur swimming, wing evolution, and dinosaur body armor. Time markers: Intro & Announcements: 00:00:00 News:

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02:14:58

Episode 204 - The Messinian Salinity Crisis

The Common Descent Podcast ·

2024/11/10

Around six million years ago, the Mediterranean Sea dried up, wreaking havoc with local marine life and leaving a dramatic legacy in the geologic record in the form of massive salt deposits. This episode, we’ll explore the evidence for this event, why it happened, how it ended, and the impact it left in the fossil record. In the news: marine crocs, giant cicadas, giant tadpoles, and drowning bats. Time markers: Intro & Announcements: 00:00:00 News: 00:04:25 Main discussion, Part 1: 00:42:35 Main

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01:09:36

Spotlight 2024 - Amy and Meaghan, Weird and Dead

The Common Descent Podcast ·

2024/11/06

Welcome to Spotlight 2024! In this series, we’re sitting down with our fellow paleo-podcasters to discuss Science Communication.This time, we’re hanging out with Amy and Meaghan from Weird & Dead! Find Weird & Dead here: www.weirdanddead.com www.patreon.com/WeirdandDeadPodcast More from Amy and Meaghan: www.meaghanwetherell.com www.geopetalfabric.com https://dinosaurtrips.com/all-women-jurassic-coast/ Connect with Common Descent: https://linktr.ee/common_descent Join us on Patreon to

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53:11

Cute-E - Jackalopes

The Common Descent Podcast ·

2024/11/02

Welcome … to Cute-E!Every October during Spook-E, we have fun speculatively evolving monsters from myths and stories, but we leave out the cuddlier side of fiction. In Cute-E, we’re choosing kinder creatures and discussing how they – or something like them - could evolve here on Earth, pulling inspiration from real-world species across our planet’s history. This year’s theme is Tiny Monsters. This episode, we look at a local legend. How might real-world evolution result in elusive and mysterious

en

02:27:46

Episode 203 - Rodents

The Common Descent Podcast ·

2024/10/27

Mice, rats, beavers, and more! Rodents are some of the most diverse and successful mammals on the planet. This episode, we discuss what traits make rodents special, and we explore their incredible living diversity. Then we’ll take a trip to the past to investigate early rodent evolution, some highlights of their fossil record, and some of their ancient competitors.In the news: Arthropleura’s head, raptorial birds, dinosaur eggs, and evolution education. Time markers: Intro & Announcements:

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56:00

Spook-E - Redcaps

The Common Descent Podcast ·

2024/10/26

Welcome ... to Spookulative Evolution. October is Spook-E Season on Common Descent! Each episode, we pick monsters from fiction and fable and ponder how they – or something like them – could evolve here on Earth, pulling inspiration from real-world species across our planet’s history. This year’s theme is Tiny Monsters. This episode, there’s trouble afoot. How could biological processes generate ornery little fiends with gruesome headgear? Our creatures to create this time: Redcaps. Join the Common

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59:45

Spook-E - Salamanders

The Common Descent Podcast ·

2024/10/19

Welcome ... to Spookulative Evolution. October is Spook-E Season on Common Descent! Each episode, we pick monsters from fiction and fable and ponder how they – or something like them – could evolve here on Earth, pulling inspiration from real-world species across our planet’s history. This year’s theme is Tiny Monsters. This episode, things heat up a bit. What selective pressures might lead to the evolution of skittering creatures with a fondness for fire? Our creatures to create this time: the

en

02:56:14

Episode 202 - Fungi and Animals

The Common Descent Podcast ·

2024/10/13

It’s the final part of our fungal trilogy! Fungi and animals interact in a wide variety of ways, from parasitism to partnership to predation. This episode, we explore how fungi and animals have evolved alongside each other and the adaptations they have developed to take advantage of each other, and we’ll examine how far back we can find these fungus-animal interactions in the fossil record. In the news: pterosaur feet, sauropod tails, a Cretaceous crater, and fossil fireflies. Time markers: Intro

en

01:08:12

Spook-E - Fairies

The Common Descent Podcast ·

2024/10/12

Welcome ... to Spookulative Evolution. October is Spook-E Season on Common Descent! Each episode, we pick monsters from fiction and fable and ponder how they – or something like them – could evolve here on Earth, pulling inspiration from real-world species across our planet’s history. This year’s theme is Tiny Monsters. This episode, we explore a favorite of fanciful fables. How might natural selection produce diminutive humanoids with a knack for mischief and mayhem? Our creatures to create this

en

01:03:34

Spook-E - Gremlins

The Common Descent Podcast ·

2024/10/05

Welcome ... to Spookulative Evolution. October is Spook-E Season on Common Descent! Each episode, we pick monsters from fiction and fable and ponder how they – or something like them – could evolve here on Earth, pulling inspiration from real-world species across our planet’s history. This year’s theme is Tiny Monsters. This episode, we’ve chosen a modern classic. How might we evolve adorable fluffy critters that transform into dangerous troublemakers? Our creatures to create this time:

en

59:06

Spotlight 2024 - Dave Marshall, Palaeocast

The Common Descent Podcast ·

2024/10/02

Welcome to Spotlight 2024! In this series, we’re sitting down with our fellow paleo-podcasters to discuss Science Communication. This episode, we’re joined by one of the longest-running paleo-podcast hosts around: Dave Marshall from Palaeocast! Find Palaeocast here: https://www.palaeocast.com/ Connect with Common Descent: https://linktr.ee/common_descent Join us on Patreon to support the podcast and enjoy bonus content: https://www.patreon.com/commondescentpodcast Got a topic you want to hear about

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02:49:50

Episode 201 - Fungi and Plants

The Common Descent Podcast ·

2024/09/29

Our fungal celebration continues! The relationship between fungi and plants is one of the most famous and consequential connections in biological history. This episode, Aly is here to help us explore how fungi and plants work together and work against each other, what we know about the deep history of their relationship, and how fungi and plants together have shaped the world as we know it. Fungi will return… In the news: toothy birds, polar forests, coelacanth evolution, and a Pennsylvanian

en

02:25:23

Patron Mini-Episode Compilation #5

The Common Descent Podcast ·

2024/09/22

Mini-episodes are rewards for our high-level supporters on Patreon, each one focusing on a requested topic for a specific Patron. From time to time, we combine a bunch of these and release them as a bundle for all our listeners to enjoy. Enjoy! A huge thanks as always to our Patrons for their kind contributions to our education efforts. Intro: 00:00:00 T. rex for Sam – 00:02:02 Okapis for Sarah May – 00:30:00 Cicadas for Danielle – 00:48:43 Ants for Robert – 01:13:40 Polychaetes for Joshua –

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02:40:26

Episode 200 - Fungi

The Common Descent Podcast ·

2024/09/15

Here it is! The most requested episode topic in the history of the podcast! Fungi are everywhere. This episode, we explore how fungi work, what makes them different from other organisms, and how they achieve a wide variety of lifestyles all over the world. We’ll also look back at their evolutionary history and fossil record to explore some of the most significant fungal moments of Earth’s past. Fungi will return… In the news: dinosaur teeth, pterosaur flight, bit bones, and ancient thylacines. Time

en

01:06:36

Spotlight 2024 - Gavin, Fia, and Mike, I Wish You...

The Common Descent Podcast ·

2024/09/04

Welcome to Spotlight 2024! In this series, we’re sitting down with our fellow paleo-podcasters to discuss Science Communication.This episode, we chat with Gavin, Fia, and Mike, hosts of I Wish You Were Dead! Find I Wish You Were Dead in these places: https://open.spotify.com/show/4lMCmCwK9y9xThOMVUcHiM https://www.youtube.com/channel/UCbKAuMrj_7PUI0GqU9QQnhg https://www.facebook.com/IWishYouWereDeadPodcast www.twitter.com/DeadPodcast_ Connect with Common Descent:

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02:22:45

Episode 199 - Hibernation

The Common Descent Podcast ·

2024/09/01

Sometimes, an animal just needs to power down and wait. Many animals exhibit some form of torpor, including the long-term dormancy of hibernation. This episode, we explore how these species adjust their body functions, we discuss the pros and cons of this surprisingly common biological strategy, and we’ll take a look at what we know about the evolutionary history and fossil record of hibernation.In the news: walrus diets, ancient weapons, grape evolution, and fossil tardigrades. Time markers: Intro

en

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