Modern human beings are the ultimate apex species, exerting dominance over our environment in a way that no other animal ever ...

Humans are very good at wiping out wildlife. From dodos, to golden toads, to Tasmanian tigers, many species have succumbed to our unique blend of destruction. But just how many animal species have ...

Evolution has given humans countless unique features, but one body part stands out as an unsolved puzzle: the human chin.