In a year, the average person walks four miles to make his or her bed.
56
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Babies crawl an average of 200m a day.
212
If you're over 100 years old, there's an 80% chance you're a woman.
143
People with blue eyes are better able to see in the dark.
153
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
Only 2% of the Earth's population are natural redheads.
13