Yawns are more contagious among people with closer relationships.
163
2% of Europeans lack the genes for smelly armpits.
6
Men laugh longer, louder, and more often than women.
61
Americans collectively eat one hundred pounds of chocolate every second.
60
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Identical twins do not have identical fingerprints.
79
76% of Americans celebrate New Year's Eve in groups of less than 20.
55
Women who read romance novels have sex twice as often as those who don't.
101