Solving The Riddle Of The Grand Canyon's Formation
September 23, 2011
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The Grand Canyon may seem to be a simple case of "river carves rock," but to geologists, its formation is still puzzling. Ira Flatow and guests discuss the canyon's mysteries, and the scientific sleuthing being done to solve them--millions of years after the Colorado River carried off the evidence.
Dan Brown, author of the blockbuster The Da Vinci Code, is back with his first novel in four years. Inferno follows academic hero Robert Langdon on a chase through Italy as he attempts to avert a biological catastrophe.
Designer Katie Shelly's upcoming cookbook offers 50 illustrated recipe "blueprints" for basic meals — from simple snacks to more hefty dishes like eggplant Parmesan. She hopes they'll inspire any level of cook to improvise in the kitchen.
NPR's Peter Overby reports on the Congressional testimony of IRS officials in response to the scandal over special scrutiny of tea party groups. Underneath all the politics, there's a policy question that hasn't been addressed.