Fossilised claw prints found in Australia suggest amniotes – the ancestors of reptiles, birds and mammals – evolved about 40m years earlier than thought.

A new study published in Communications Biology sheds light on how the psychedelic compound DMT changes the brain’s dynamic behavior. Researchers found that DMT reduces the amount of energy the brain needs to switch between different activity states.

Scientists studying chimpanzees in Budongo Forest, Uganda, have observed that these primates don't just treat their own injuries, but care for others, too—information which could shed light on how our ancestors first began treating wounds and using medicines.

Researchers led by the University of Glasgow in Scotland have identified a Late Upper Paleolithic site in the far north of the Isle of Skye, marking the most northerly evidence of Ahrensburgian culture in Britain.