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SciTech Now
A scientist sniffs out the world of dogs
Dogs may be man’s best friends, but how much do we actually know about our beloved pets? Alexandra Horowitz, professor of cognitive science at Barnard College and author of Being a Dog: Following the Dog into a World of Smell, joins Hari Sreenivasan to discuss how she examines our four-legged friends by studying the complexities of their noses.
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Superstorm Sandy, the American chestnut tree, using math to fight cancer, and seahorses.