MindHumans evolved to think faster by slowing down brain development Using stem cells to grow mini brains in a dish has let us compare the way brains develop in humans, chimpanzees and monkeys, and spot the differences News
LifeMystery of why humans walk upright may be explained by surprise fossil We thought that walking on all fours like a gorilla is more primitive than walking on two legs as humans do. But new fossils suggest even very ancient apes walked upright News