Saturday, 30 April 2011

Neanderthal ancestors were mostly right-handed

Scratch marks on the teeth of ancient humans indicate they were mostly right-handed. Humanity's right-hand dominance might be more than 500,000 years old, new research indicates. The trait of right-handedness is commonly believed to be a sign of the development of another uniquely human trait ? language.




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Source: http://pheedo.msnbc.msn.com/click.phdo?i=fb8a9d5856542690a64b62086e698890

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