The PETM has been called the largest natural climate change event of the Cenozoic Era. It marks the transition from the ecosystems of the Paleocene to the more familiar world of the Eocene and is thus an important step in making the world the way we know it today. But maybe most importantly, it is a dramatic case study in what happens when a huge amount of Carbon injected into the atmosphere triggers rapid warming of global climate … you know, in case anyone needs to know about that.

In the news: pterosaur cousins, oldest pythons, burrowed dinosaurs, and hibernating hominins.

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The Intro and Outro music is “On the Origin of Species” by Protodome.

Musical Interludes are "Professor Umlaut" by Kevin MacLeod (incompetech.com). Licensed under Creative Commons: By Attribution 3.0