Just ten years ago, the prevailing view was that the modern human mind suddenly gelled in Europe some 35,000 years ago. Alison Brooks and her colleague Sally McBrearty have challenged that notion.

Researcher Brian Hare is an advocate for eliminating the chimpanzee pet trade. In the wake of the chimp attack, Brian explains the science behind his stance.

Anthropologists recently announced they’ve discovered the first example of footprints from the early human species Homo erectus.