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
Nearly half of the entire world's adult population has never drunk alcohol.
12
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
There are about 255 babies born worldwide every minute.
46
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
40% of people who are rejected in romantic love slip into clinical depression.
72