The signal of human influence on climate has emerged from the noise of natural variability.
I'm interested in what happens when things fall apart.
The study of psychology is a journey into the depths of the human experience.
科学中的每一个发现都是建立在我们之前无数人工作的基础上。
没有充足的食物供应,今天所知道的文明就不可能进化,也不可能生存。