Of all the odd and unexpected consequences of divorce - missing kitchen utensils, kids with two sets of everything, a weird sense of sadness yet liberation - this is a new one.
It may feel weird, but a new study finds that arms contribute nothing to the human gait.
这给你的感觉也许有些怪异，不过一项新的研究发现，我们的双臂对于行走其实毫无贡献。
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The global population realignment would involve massive migrations, lead to a heap of painful demotions and triumphant promotions, and produce a few very weirdnew neighbourhoods.