By weight, Bone is five times stronger than steel.
417
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
If you're one in a million, there are about 7,234 people just like you.
31
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
The Japanese, on average, are the shortest people.
320
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