About 2/3 of American men prefer boxers to briefs.
83
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
Only 2% of the Earth's population are natural redheads.
13
People with blue eyes are better able to see in the dark.
153