Forty percent of Americans have never visited a dentist.
33
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
Intelligent people have more zinc and copper in their hair.
233
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
In 75% of American households, women manage the money and pay the bills.
97
People in parts of Western China put salt in their tea instead of sugar.
16
Studies suggest that people who appear to be constantly distracted have more "working memory" and "sharper brains".
13
The first man to swim the length of Great Britain grew a beard to stop jellyfish stinging his face.
16