成人快手

The discovery of a body missing a foot in a thirty one thousand year old grave suggests our ancient ancestors may have been capable of performing complex surgery. The foot seems to have been cleanly amputated, and the patient survived for several years afterwards. Dr Tim Maloney from Australia鈥檚 Griffith University made the find and Charlotte Roberts Emeritus Professor of Archaeology at Durham University who researches the evolution of medicine gave us her analysis.

Craters from meteorites aren鈥檛 always easy to find, they can look similar to other geological features. However techniques more closely associated with forensic science are helping to provide clues. it鈥檚 all in the way the incoming asteroid or meteorite burns everything in its path says Dr Ania Losiak from the Institute of Geological Sciences, Polish Academy of Science.

The Greenland ice sheets are melting, a new analysis paints a concerning picture about the impact on sea levels. Researcher Jason Box takes us out onto the ice to see this process in action.

And why do chimpanzees drum? Language researchers Catherine Hobaiter and Vesta Eleuteri have been following them around the jungles of Uganda to find out.