NOVA

Time Travel in the Grand Canyon

Clip: Season 42 Episode 20 | 4m 33s | Video has closed captioning.

What does this geological wonder reveal about North America’s deep history?

Aired: 11/04/15

Rating: NR

Problems Playing Video? | Closed Captioning

Major funding for NOVA is provided by the David H. Koch Fund for Science, the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.

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From the PBS science series NOVA, a biweekly podcast digging into the science behind the headlines. Alok Patel takes you behind the scenes with the people—scientists, engineers, technologists, mathematicians and more—working to understand our world.

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