剧情简介：Some central questions in the natural and social sciences can't be answered by controlled laboratory experiments, often considered to be the hallmark of the scientific method. This impossibility holds for any science concerned with the past. In addition, many manipulative experiments, while possible, would be considered immoral or illegal. One has to devise other methods of obs...(展开全部)
作者：Jared Diamond
出版社：Belknap Press of Harvard University Press
ISBN：9780674035577
