There have been five Mass Extinctions in Earth’s history and right now, we might be in the middle of a sixth. Paleontologist Dr. Michael Benton studies Mass Extinction events. We talk the history of mass extinctions, what causes mass extinction and if humans will survive the next one. Then, we countdown a special “touchy” Top 5.

Dr. Michael Benton: 01:24

Pointless: 35:40

Top 5: 55:28

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Extinctions: How Life Survives, Adapts and Evolves

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