"A fluid introduction to the development of the human species."--"Booklist "Among the countless traits and behaviors that separate us from the rest of the animal kingdom, six stand out--our big toe, opposable thumb, oddly shaped pharynx, and our abilities to laugh, kiss, and cry. Though seemingly unconnected, they are actually closely linked, each marking a fork in the evolutio...(展开全部)

The fascinating evolutionary links between six seemingly unremarkable traits that make us the very remarkable creatures we are. Countless behaviors separate us from the rest of the animal kingdom, but all of them can be traced one way or another to six traits that are unique to the human race--our big toe, our opposable thumb, our oddly shaped pharynx, and our ability to laugh,...(展开全部)

The fascinating evolutionary links between six seemingly unremarkable traits that make us the very remarkable creatures we are. Countless behaviors separate us from the rest of the animal kingdom, but all of them can be traced one way or another to six traits that are unique to the human race--our big toe, our opposable thumb, our oddly shaped pharynx, and our ability to laugh,...(展开全部)

"A fluid introduction to the development of the human species."--"Booklist "Among the countless traits and behaviors that separate us from the rest of the animal kingdom, six stand out--our big toe, opposable thumb, oddly shaped pharynx, and our abilities to laugh, kiss, and cry. Though seemingly unconnected, they are actually closely linked, each marking a fork in the evolutio...(展开全部)