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Earth's Worst Mass Extinction Is Actually a Warning

Season 2 Episode 12 | 8m 27s

There is a surprising natural wonder in the middle of the vast West Texas desert: a prehistoric ocean reef built from the remains of ancient sea life. This fossil-rich landscape tells the story of Earth's most devastating mass extinction—and can help enlighten the climate threats we face today.

Aired: 05/16/25
Extras
Exploring the global impact of Earth’s most ingenious, destructive, and adaptable species… Us.
Grantchester Season 10 premieres Sunday, June 15, 9/8c on MASTERPIECE on PBS.
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Ummat Somjee goes to Thailand to observe the cultural tradition of fighting beetles.
The cast of Girl From The North Country performs "Like A Rolling Stone."
Joe Scott (Austin Scott) performs Bob Dylan's "Hurricane."
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