Randomized evaluations can help us understand what works and what doesn't in development.
韩寒谈北京海淀区
随着我们深入量子世界,拓扑在理解和操纵量子态中的重要性变得越来越明显。
When the last tree is cut, the last dollar will lose its meaning.
The Langlands program is a challenge to our understanding of the nature of mathematical truth.