Wednesday, May 15, 2013

How Life on Earth Nearly Ended 250 Million Years Ago

During the greatest biodiversity crisis in the history of life some 250 million years ago, over 90% of all the species in the oceans died off in just a few hundred thousand years. Douglas Erwin, author of the new book Extinction: How Life on Earth Nearly Ended 250 Million Years Ago discusses his research in China, South Africa and the western US in search of the causes and consequences of this great mass extinction.



About the Lecturer
Douglas Erwin is a paleobiologist, Curator of Paleozoic Invertebrates at the Smithsonian National Museum of Natural History and Chair of the Faculty at the Santa Fe Institute.

Related Links:
The Permian Mass Extinction

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