The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
Only 2% of the worlds population is blonde.
15
Babies cry but they don't produce tears until one to three months after birth.
238
The most dangerous job in the United States is that of an Alaskan Crab Fisherman.
65
If you're over 100 years old, there's an 80% chance you're a woman.
143
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
There's an isolated tribe in Zimbabwe where the people have only two toes, dubbed the 'ostrich people'.
10