Why do zebras have stripes?

After evolving from horses some two million years ago, zebras earned their stripes. But why? A team of scientists has found part of the answer.

Why do we have chins?

Humans have one feature that primates, Neanderthals, archaic humans - any other species, for that matter - don't possess: chins.

The Brontosaurus is back!

An exhaustive new study by paleontologists provides conclusive evidence that the dinosaur Brontosaurus is distinct from Apatosaurus.

Lifestyle determines gut microbes

Researchers has for the first time deciphered the intestinal bacteria of present-day hunter-gatherers, and found lifestyle determines gut microbes.