We dare you not to crack a smile watching this girl laugh hysterically at her older sister! There is something so human and special when you hear a genuine uncontrollable laugh erupt. No one has a ...

Long before modern brain imaging technologies illuminated the neurophysiological mechanisms that make laughter contagious, William James (1842-1910) observed, "We don't laugh because we're happy, ...

The Law & Order franchise is in no shortage of hardened detectives, but many will agree that Law & Order: Special Victims Unit icon Ice T is one of the most badass investigators ever to grace ...

24,739 people played the daily Crossword recently. Can you solve it faster than others?24,739 people played the daily Crossword recently. Can you solve it faster than others?

Contagious yawning refers to the tendency of individuals to yawn after seeing, hearing, or even thinking about someone else yawning. About 40% to 60% of people exhibit contagious yawning when exposed ...