It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Two in five people in the world marry their first love.
270
Only 2% of the Earth's population are natural redheads.
13
If you're over 100 years old, there's an 80% chance you're a woman.
143
The leading cause of poisoning for children under the age of six in the home is liquid dish soap.
42
The higher the income, the more likely an American man will cheat on his wife.
94