Summary: <p>There are many stories of great floods out there, first and foremost the fable of Noah's ark. But some geologists have found that many of these legends have some basis in historical fact. We talk with University of Washington professor and MacArthur award-winner Dave Montgomery, the author of "The Rocks Don't Lie: A Geologist Investigates Noah's Flood."</p><p>http://youtu.be/chHU5HPkxmM</p>
