Grand Canyon May Be 60 Million Years Older Than Thought
Clip: 11/30/2012 | 5m 14s
Grand Canyon May Be 60 Million Years Older Than Previously Thought
A newly published study renews an old debate about the age of the Grand Canyon, positing a possibility that the geographical formation could be tens of millions of years older than current wisdom suggests, dating back to the time of dinosaurs. Margaret Warner talks to science correspondent Miles O'Brien about its significance.
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Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...
Grand Canyon May Be 60 Million Years Older Than Thought
Clip: 11/30/2012 | 5m 14s
A newly published study renews an old debate about the age of the Grand Canyon, positing a possibility that the geographical formation could be tens of millions of years older than current wisdom suggests, dating back to the time of dinosaurs. Margaret Warner talks to science correspondent Miles O'Brien about its significance.
Problems playing video? | Closed Captioning Feedback
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