47% of people have a nightmare at least once a month.
186
Children's sense of smell is better than adults'.
860
More redheads are born in Scotland than in any other part of the world.
85
Senegalese women spend an average of 17.5 hours a week just collecting water.
27
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
Most people turn their music down in the car when finding a street sign to "see better".
34
Only about 2% of the world population has green eyes.
36
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11