Yawns are more contagious among people with closer relationships.
163
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Men who kiss their wives in the morning live five years longer than those who don't.
1k
95% of people feel uncomfortable when the TV volume is an odd number.
392
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492