Human teeth are almost as hard as rocks!
47
The human brain doesn't stop developing until about 25 years old.
102
The smallest human penis ever recorded was just 5/8 of an inch long!
77
Poor eyesight (myopia) is associated with higher IQ.
232
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Kissing an infection-free partner is good for your teeth!
141