ざつがく・どっと・こむ
ちょっと知的な雑学&トリビア

ヒトとチンパンジーは交雑していた?

2006年5月19日 【雑学なメモ
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The research, conducted by scientists at Harvard Medical School, the Massachusetts Institute of Technology (MIT), and the Broad Institute of Harvard and MIT, indicates that humans and chimpanzees developed into distinct species less than 6.3 million years ago and probably more recently than 5.4 million years ago. That is about a million years later than the previously accepted range of 6.5 million to 7.4 million years ago.

もちろん今では無理だけど、もしかすると540万年くらい前までは交雑が可能だったのではないかと。

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Monkeys Use "Sentences," Study Suggests
Putty-nosed monkeys put two different alarm calls together to create urgent warnings, according to observations recently made of the West African primates.
単語をくっつけて文にするのは人間の大きな特徴だけど、そのルーツを探るヒントになる発見。より深刻な危機を伝えていたそうだけど。
さてさて、文法の起源とは。
・恋の文法 [02.05.02]

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