Intelligent people have more zinc and copper in their hair.
233
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
Intelligent men tend to be more sexually faithful.
31
Someone on Earth reports seeing a UFO every three minutes.
180
On average, a person will spend about five years eating during his or her lifetime.
90
Americans collectively eat one hundred pounds of chocolate every second.
60
15 percent of Americans secretly bite their toes.
57
Only 2% of the worlds population is blonde.
15