How can we learn effectively? It is important to retrieve the material we learn from memory at certain intervals, but that is not all. For even better results, it is best to do it in different ways, ...

The research could further complicate the polarized politics of abortion because the drug in the study is the key ingredient in a pill used for emergency contraception.

“String theory was developed for people to understand the physics of the strong interaction. [...] People started from a very simple model where they saw that if you take two quarks (a fundamental ...

The fastest-growing sectors—artificial intelligence, big data, and digital commerce—need people who can solve problems, communicate effectively, and think creatively.