Scientists may soon explain the mys-terious behaviour of some icebergs. They have discovered a submerged "ice foot" extending more than 50 metres (m) out to sea from the wall of a glacier. This could
This year is the hottest year since temperature records have been kept. Scientists believe that the Earth is getting warmer because of the build-up of carbon dioxide and other greenhouse gases in the
The frozen remains of Otzi the Neolithic hunter contain the best-preserved nervous tissue yet discovered in an ancient human, say German biologists. Climbers stumbled on the Tyrolean ice man in the