The appearance of someone's rear end may reveal a hidden sign that they're dealing with autism, ADHD, or both.

The Xenomorph from the Alien film franchise is one of the coolest, most nefarious movie monsters ever hatched, with its acid blood, mouths-within-mouths, and diabolical claws. It pretty much ...

Forced laughter — or simulated mirth, in academia — may even be more beneficial than spontaneous laughter, some say.