Looking back on our planet's early history offers a new (and less crazy) meaning for the idea of a "flat Earth."

From Æthelred the Unready to Halfdan the Bad Entertainer, these strange epithets colored the legacy of four rather unlucky historical figures.

According to the legendary investor, the best method is a blueprint for "extreme success.”

For generations, physicists have been searching for a quantum theory of gravity. But what if gravity isn't actually quantum at all?

Embedded in a cell phone or in accessories such as rings, bracelets or watches, the novel tools aim to make it easier to manage hypertension. But they must still pass several tests before hitting the clinic.