By weight, Bone is five times stronger than steel.
417
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Dutch, on average are the tallest people.
187
Two in five people in the world marry their first love.
270
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
40% of people who are rejected in romantic love slip into clinical depression.
72
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161