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
Your statistical chance of being murdered is one in twenty thousand.
473
There are more than 150 million sheep in Australia, and only some 20 million people.
247
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
There are about 255 babies born worldwide every minute.
46
The Japanese, on average, are the shortest people.
320