Parental investment is the key to understanding sex differences in mating strategies.
有时候,最小的事物占据了心中最大的空间。
The language of DNA is universal, but its applications are deeply personal.
科学家的工作永远不会结束。
导演中最重要的就是对你想要实现的目标有一个清晰的愿景。
When the third appeared, he thrust at it with the knife, only to feel the blade[刀片] snap as the fish rolled. 
要摧毁一种文化,你不必烧书。只要让人们停止阅读它们。