HumansSurvival of the friendliest? Why Homo sapiens outlived other humans We once shared the planet with at least seven other types of human. Ironically, our success may have been due to our deepest vulnerability: being dependent on others Features
HumansWhy do we grieve? The surprising origin of the feeling of loss The debilitating pain we sometimes feel at the loss of those we love is an evolutionary mystery. It could all come down to what happens in our childhoods Features