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NOVA. Last extinction /

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Fifteen thousand years ago, North America was like the Serengeti on steroids, with mega-creatures roaming a continent teeming with incredible wildlife. But then, in a blip of geologic time, between 15 and 35 magnificent large types of animals went extinct. In this television exclusive, NOVA joins fo...

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Bibliographic Details
Other Authors: Schreiber, Liev (Narrator), Hamilton, Doug (Producer)
Format: Video
Language:English
Language Notes:In English.
Published: Arlington, VA : Public Broadcasting Service (PBS), 2009.
Series:Nova
Subjects:
Catastrophes (Geology)
Comets > Collisions with Earth.
Extinct animals.
Extinction (Biology)
Extinction, Biological
Catastrophes (Géologie)
Comètes > Collisions avec la Terre.
Animaux disparus.
Extinction (Biologie)
Documentary television programs.
Documentaires télévisés.
Online Access:Connect to this streaming video (Alexander Street Press)
Description
Summary:Fifteen thousand years ago, North America was like the Serengeti on steroids, with mega-creatures roaming a continent teeming with incredible wildlife. But then, in a blip of geologic time, between 15 and 35 magnificent large types of animals went extinct. In this television exclusive, NOVA joins forces with prominent scientists to test a startling hypothesis that may finally explain these sudden and widespread extinctions-that a comet broke apart in the atmosphere and devastated North America 12,900 years ago.
Item Description:Title from resource description page (viewed June 24, 2016).
Physical Description:1 online resource (54 min.)
Playing Time:00:53:25