You can only remember 4 things at a time.
31
Intelligent people have more zinc and copper in their hair.
233
During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.
52
You share your birthday with at least 9 other million people in the world.
201
Children laugh about 400 times a day, while adults laugh on average only 15 times a day.
973
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63