Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Every time you lick a stamp, you're consuming 1/10 of a calorie!
47
Men have larger hearts; women's hearts beat faster.
77
Within three days of death, the enzymes that once digested your food begin to eat you.
22
One out of 20 people have an extra rib.
66
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
About half of all Americans are on a diet on any given day.
29