Some anthropologists suspect that humans of the era experienced a leap in mental abilities, fueled by random genetic mutation or the neurological nourishment of language and culture.

一些人类学家怀疑那个时代的人类在智力上可能经历过飞跃，也许是受随机基因突变的影响，或者在神经上受语言和文化的刺激。

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In a step towards the long-awaited era of personalized medicine, Iceland's DeCode Genetics has discovered a new genetic risk factor for the bone-thinning disease osteoporosis.

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