The earliest unambiguous evidence for modern human behaviour has been discovered by an international team of researchers in a South African cave.
Human ancestors' diet changed 3.5 million years ago - bbc --- by looking at teeth scientist can determine that 3.5 million years ago hominins started eating grasses and animals in addition to their typical forest diet
Will scientists ever discover the secret of immortality? How close is science to being able to scan the contents of a human brain for future use? if we're really going to be able to live for ever.