By weight, Bone is five times stronger than steel.
417
The Japanese, on average, are the shortest people.
320
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Two in five people in the world marry their first love.
270
There are more than 150 million sheep in Australia, and only some 20 million people.
247
Every month, about 9 out of 10 American children visit a McDonald’s restaurant.
299
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57