Scientific American Frontiers, Life's Really Big Questions VHS
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Features Big questions don't have easy answers-that's what makes them big-but it's fun asking them anyway," says Alan Alda, about to meet scientists tackling some of the biggest questions of the times: Is there other life in the universe? Why did animals suddenly appear on Earth, after only microbes had existed for billions of years? What made humans different from preceding life forms? Will robots one day surpass humans in intelligence?
Scientific American Frontiers, Life's Really Big Questions VHS Price: $19.98 Available from ShopPBS.com Updated on 2-2-2008.
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