Dino Destruction NPR's David Kestenbaum reports on a theory published in the journal Science that says an asteroid that slammed into Earth 200 million years ago may have contributed to the evolution of dinosaurs on the planet.
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Dino Destruction

Only Available in Archive Formats.
Dino Destruction

Dino Destruction

Dino Destruction

Only Available in Archive Formats.

NPR's David Kestenbaum reports on a theory published in the journal Science that says an asteroid that slammed into Earth 200 million years ago may have contributed to the evolution of dinosaurs on the planet.