Overview
Horizon examines the evidence that our ancestors' changing diet and mastery of fire prompted anatomical and neurological changes that took us out of the trees and into the kitchen.
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47 - 1Do I Drink Too Much? October 13, 2009 -
47 - 2The Secret You October 20, 2009
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47 - 3Fix Me October 27, 2009
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47 - 4Who's Afraid of a Big Black Hole? November 03, 2009
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47 - 5Why Do We Talk? November 10, 2009
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47 - 6How Long is a Piece of String? November 17, 2009
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47 - 7The Secret Life of the Dog January 06, 2010
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47 - 8Why Do Viruses Kill? January 13, 2010
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47 - 9Pill Poppers January 20, 2010
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47 - 10Don't Grow Old February 03, 2010
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47 - 11To Infinity and Beyond February 10, 2010
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47 - 12What Makes a Genius? February 17, 2010
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47 - 13Did Cooking Make Us Human? March 02, 2010
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47 - 14Is Everything We Know About the Universe Wrong? March 09, 2010
