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👁Why are some people left-handed? - Daniel M. Abrams
🗣Subtitle: Farsi | English | Turkish
👣Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution.
Page on TED.com
More TEDed Lessons:
@DailyTED1_English
👁Why are some people left-handed? - Daniel M. Abrams
🗣Subtitle: Farsi | English | Turkish
👣Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution.
Page on TED.com
More TEDed Lessons:
@DailyTED1_English