Planetary scientist Carolyn Porco says, "I'm going to take you on a journey." And does she ever. Showing breathtaking images from the Cassini voyage to Saturn, she focuses on Saturn's intriguing largest moon, Titan,with deserts, mudflats and puzzling lakes, and on frozen Enceladus, which seems to shoot jets of ice.
Paul MacCready -- aircraft designer, environmentalist, and lifelong lover of flight -- talks about his long career. After his record-breaking work on human-powered aircraft in the 1970s, with the Gossamer Condor and Gossamer Albatross, MacCready's attention turned to addressing a problem he calls "Nature vs. Humans." The result: a pioneering electric car, refined alternative energy sources, and (bringing his enthusiasms full circle) a breathtaking solar plane.
Christopher Hitchens joins Book TV for a live In Depth interview on Sunday, September 2 from Noon to 3 pm ET. Mr. Hitchens is a contributing editor to Vanity Fair magazine and a visiting professor of liberal studies at the New School. He is the author of over a dozen books including "The Missionary Position: Mother Teresa in Theory and Practice," "No One Left to Lie To: The Values of the Worst Family," "Why Orwell Matters" and "God is Not Great: How Religion Poisons Everything." You can join the discussion by calling in during the program or by emailing your question to email@example.com.
Dawkins komentira 3 Republikanska kandidata i njihov kreacionizam
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CBC's Avi Lewis asked Richard Dawkins what he thought about the segment of the Republican debate where three candidates admitted they didn't believe in evolution, this clip also includes a short discussion on religious moderates.