It's no secret that Europeans and Americans win most Nobel prizes.

It's no secret that Europeans and Americans win most Nobel prizes.

I saved Latin. What did you ever do?

The Mongol conquests are difficult to fathom. Although their most important technology was the horse, they conquered much of the known world from China to Europe, a series of wars that killed tens of millions of people, then a substantial chunk of the world's population.

The United States has 4 percent of the world's population and 34 percent of its Nobel laureates.

Maps can be a remarkably powerful tool for understanding the world and how it works, but they show only what you ask them to.

Find something you love to do and then do it for the rest of your life