Audio

Science Friday: Michael Novacek and 'Terra'

Curated by ACT

An interview with Michael Novacek, author of Terra: Our 100-Million-Year-Old Ecosystem - and the Threats That Now Put it at Risk. He talks about the history of ecosystems and environmental threats the Earth faces. Includes link to a short video where Novacek describes an unusual Nigersaurus skull recently discovered. Aired Nov. 16, 2007. [17:42]

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