A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
The Japanese, on average, are the shortest people.
320
Americans collectively eat one hundred pounds of chocolate every second.
60
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
44% of kids watch television before they go to sleep.
106
More than half the population of Kenya is under the age of 15.
71
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7