The world's tallest man reached 8 feet 11 inches at 21.
202
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
Most of the world's people must walk at least 3 hours to fetch water!
38
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
You will experience the billionth second of your life when you are 31 years old.
21