The new studies centre on the most telling bits of anatomy in the story of human evolution: the brain, pelvis, hands and feet.

最新的研究把重点放在研究人类进化最有说服力的结构部位：脑，骨盆，手和脚。

youdao

But instead of settling on just one arm as the real thing, the brain accepts both right hands as part of the body, causing the subjects to experience the sensation of having a third arm.

但是，大脑会将两只右手视为身体的一部分而不仅仅是其中的一个，从而产生了拥有第三只手的感觉。

youdao

Meanwhile, the Moscow Institute of the Brain had not been sitting idly on its hands.

与此同时，莫斯科大脑研究所也没有闲着。

youdao

Hands-free mobile phone kits can significantly reduce the effects on the brain, according to research.

BBC: Hands-free mobiles given safety boost