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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Congress Negotiations on Deficit Deal 'Go Nowhere'
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Conversation: Lorin Stein, Editor of the Paris Review
Clip: 11/30/2012 | 6m 37s | Jeffrey Brown talks to Lorin Stein, editor of the Paris Review. (6m 37s)
Doubleheader: Shields, Brooks on X Tax, Hoosiers and Irish
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'How to Survive a Plague' Remembers First AIDS Activists
Clip: 11/30/2012 | 7m 51s | Ray Suarez speaks with David France, director of "How to Survive a Plague." (7m 51s)
NewsHour extended interview with Sen. Coburn
Clip: 11/30/2012 | 15m 33s | NewsHour extended interview with Sen. Coburn (15m 33s)
NewsHour extended interview with Sen. Harkin
Clip: 11/30/2012 | 12m 39s | NewsHour extended interview with Sen. Harkin (12m 39s)
Senators Spar Over Filibusters Amid Partisan Gridlock
Clip: 11/30/2012 | 7m 59s | Senators Spar Over Filibusters, Blaming Rules for Constant Partisan Gridlock (7m 59s)
Shields, Brooks on Obama's Bargaining Skills and Filibusters
Clip: 11/30/2012 | 12m 23s | Shields and Brooks on Obama's Bargaining Skills, Fiscal Mandates and Filibusters (12m 23s)
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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...