The UN estimates 8 million extra teachers are needed worldwide by 2015. But how do countries compare? Get the full data here

The world’s most important invention—the technological breakthrough that has fundamentally changed family life for the better nearly everywhere—isn’t particularly extravagant. In fact, you probably have one.

What is it? The car? The computer? The cell phone? Not quite.

At the beginning of presentations introducing The Hunger Project (THP), we often address the difference between chronic hunger and famine. We talk about how images of emaciated children in war-torn countries are often what flow through our minds when someone says “world hunger.” And we talk about how unfortunate it is that, though victims of famine account for only eight percent of the world’s hungry, those images make headlines, while chronic, persistent hunger does not.