Genes make us who we are—but are they shaped by chance, natural selection, or something else?

A 43,000-year-old fingerprint preserved in red ochre on a Spanish pebble represents the oldest known evidence of Neanderthal symbolic behavior in Europe Statistical analysis shows only a 0.31% chance ...

You unlock your phone with your face, your fingerprint sends your laptop whirring into action, you pass airport security by ...