Every mathematician has a story that goes something like this. You’re at a party, and someone asks what you do for a living. “I’m a mathematician,” you say. “You must be a genius!” they reply. Or ...

It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...

The dedicated YouTube Kids website has launched and it comes with a parental lock so simple that one may think they're being trolled. Upon launching the website, kids are introduced to a big, bright ...