Most people smile when they are frustrated, according to a study.
15
People who sleep late have more mental stamina and can outperform early risers.
33
In a lifetime, an average person walks the equivalent of 5 equators
177
Intelligent people have more zinc and copper in their hair.
233
A teen in Michigan built a working nuclear reactor. He taught himself how to build it as a weekend hobby project in his basement from ages 15-17 for $3500.
8
There are more chickens than people in the world.
325