252 million years ago, a devastating mass extinction wiped out about 90% of all species on Earth. Follow scientists as they piece together evidence to discover how life survived and set the stage for a new dominant life form: the dinosaurs.
Episode Duration: 56 minutes and 46 seconds
Episode Number: 5014
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PBS' premier science series helps viewers of all ages explore the science behind the headlines.
Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.
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