By weight, Bone is five times stronger than steel.
417
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
Babies crawl an average of 200m a day.
212
Forty percent of American adults cannot fill out a bank deposit slip correctly.
155
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82