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Bernard M -- Taipei English Tutor

Bernard M - English Conversation / TOEFL / IELTS 一對一英文會話

Monday, October 26, 2009

Bottlenecks Made Humans Less Diverse by Josh Clark FROM Discovery News

"The evidence is all around us: Biologists, for example, have long known that measurements of skulls yield far more similarities among Asians, Europeans and Native Americans than among indigenous African populations."

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