Your thumb is about the same size as your nose.
124
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
The world's shortest man measures only 21.5 inches.
73
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14