|
Gesture politics 形体政治学 People talk a lot, but their hand signals mayconvey more useful information 虽然人类主要通过语言交流，但是一些手势往往能传达更多有用的信息。 Silence is golden 沉默是金 IT IS received wisdom that humanity owes a lot of its evolutionary success to itsremarkable ability to communicate. 人类在进化上的成功大部分归功于其非凡的交流能力已经成为一个被接受的常识。 So much so, in fact, that few have bothered to test this hypothesis in any systematic way. 尽管如此，事实上还没有人系统地验证过这一假设。 Now, a group of researchers led by Andrew King, of the Royal Veterinary College in Britain,has tried to plug this gaping hole. 如今，一个由英国皇家兽医学院的安德鲁.科恩率领的研究小组正尝试填补这块空缺。 Their first results have just been published in Biology Letters. 他们的第一个研究成果被发表在了《生物学快报》上。 Hunter-gatherers practice of scouring their surroundings for edible plants is responsible forhalf of the name anthropologists have bestowed on them. | 
