The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
The higher the income, the more likely an American man will cheat on his wife.
94
Intelligent people have more zinc and copper in their hair.
233
The world's shortest man measures only 21.5 inches.
73
Roughly a quarter of the world's people live in China.
50
Babies' eyes do not produce tears until the baby is approximately six to eight weeks old.
58
Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
2% of Europeans lack the genes for smelly armpits.
6