In this episode, we discuss one of the most famously devastating events in Earth history – the mass extinction that ended the Age of Dinosaurs.

In the news: the first fish on land, the earliest sharks, some really old croc eggs, and some really really old plants!

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http://commondescentpodcast.wordpress.com/

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The Podcast music is “On the Origin of Species” by Protodome.
More music like this at http://ocremix.org.