Researchers at University Hospital Zurich and the University of Zurich report that intimate physical contact combined with ...

It's one of medicine's biggest mysteries — why sometimes our immune system attacks our own bodies. Autoimmune diseases affect ...

Although Madagascar’s total number of known chameleons now tops out at exactly 100 separate species, many of their actual ...

A stretch of sand can look simple at first. Waves slide in, families lay out towels, and children run across the warm surface ...