If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Common pesticides such as roach, termite, and flea insecticide can be found in the bodies of the majority of Americans.
11
Only 1 person in 2 billion will live to be 116.
49
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
It takes 17 muscles to smile, 43 to frown.
65
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18