By weight, Bone is five times stronger than steel.
417
40% of people who are rejected in romantic love slip into clinical depression.
72
The Japanese, on average, are the shortest people.
320
Dutch, on average are the tallest people.
187
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Nearly half of the entire world's adult population has never drunk alcohol.
12