As scientists unravel how sleep benefits the body, a study in mice is highlighting the potential pitfalls of using Ambien and other sleeping pills.

It’s hard to cook both the white and the yolk of the egg to the right temperature. Scientists have found a new method, called periodic cooking.

DNA analysis reveals the big, flightless moa birds ate — and pooped out — 13 kinds of fungi, including ones crucial for New Zealand’s forest ecosystem.