By weight, Bone is five times stronger than steel.
417
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
Nearly half of the entire world's adult population has never drunk alcohol.
12
40% of people who are rejected in romantic love slip into clinical depression.
72
Each day, there are over 120 million sexual intercourse taking place all over the world.
301
Every month, about 9 out of 10 American children visit a McDonald’s restaurant.
299
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82