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Welcome to Scientific Americans Science Talk posted on January 30th, 2020.

I'm Steve Murski. On this episode, you know, it's both

scary but exciting that we're kind of in the most consequential few decades in the past few

hundred million years. That's Peter Brannan. On his website, he describes himself as a placental mammal,

but he's also an award-winning journalist and the author of the book, The Ends of

the World, Volcanic Apocalypse, Lethal Oceans, and Our Quest to Understand Earth's Past

Mass Extinctions, a book that the journal Science called a surprisingly lyrical investigation

of Earth's mass extinctions. He was in New York City recently, and we sat down together to talk about the book.

Midway through our discussion, we'll take a break for a short segment sponsored by the

Cavley Prize with Stanford neuroscientist Carlos Schatz, which perhaps surprisingly has some

connections with the discussion of mass extinctions.

And now, Peter Brannon.

Let's talk about mass extinction.

All right.

The book is really kind of a survey of the great mass extinctions.

Yeah.

...