Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
131
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Every human spent about half an hour as a single cell.
144
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
15 percent of Americans secretly bite their toes.
57