Last Updated: Tuesday, November 20, 2012, 17:02
Glacier-covered Greenland has had an average net loss of 200 million tons of ice every year since 2003, scientists who are studying the changing mass of the island using satellite data have confirmed.
Last Updated: Thursday, April 19, 2012, 20:08
Honeybees that dance to give directions to flowers make more errors when performing horizontally than vertically because of gravity, researchers have claimed.
more videos >>