Crops don't generally thrive in desert-like ground, but 1000 years ago farmers in Israel utilised refuse such as ash and bones to turn sand into fertile land
Groups of wild chimpanzees with more complex tool-using behaviours tend to be genetically linked, providing evidence for cumulative culture in other apes
A young boy who lived towards the end of the last glacial period had dark skin, blue eyes and a congenital heart condition, a study of his genome reveals
Interacting with animals seems to provide emotional support to young people with a serious illness, even when the contact is via letters and not face to face