In the not too distant past, scientists refused to believe humans shared behavioral traits with other species. Despite accepting the work of Darwin a century before, it was thought a sharp line divided us from the animal kingdom. Personality and emotion were the dominions of man.
원문출처 : http://www.cnn.com/2017/01/17/africa/jane-goodall-conservation/index.html
원문출처 : http://www.cnn.com/2017/01/17/africa/jane-goodall-conservation/index.html