A New History of Life

Permian Extinction—Life's Worst Catastrophe (1520x25)

: 01, 2013

Examine the full extent of the cataclysm that swept Earth 251 million years ago. Called the End-Permian extinction, the event left a chilling fossil record. Survey the clues that show land and ocean ecosystems collapsing, wiping out 95% of all plants and animal species.