By weight, Bone is five times stronger than steel.
417
If you're one in a million, there are about 7,234 people just like you.
31
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Two in five people in the world marry their first love.
270
40% of people who are rejected in romantic love slip into clinical depression.
72
There are more than 150 million sheep in Australia, and only some 20 million people.
247
Babies crawl an average of 200m a day.
212
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104