In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
By weight, Bone is five times stronger than steel.
417
Babies crawl an average of 200m a day.
212
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The Japanese, on average, are the shortest people.
320
Nearly half of the entire world's adult population has never drunk alcohol.
12