By weight, Bone is five times stronger than steel.
417
There are more than 150 million sheep in Australia, and only some 20 million people.
247
If you're one in a million, there are about 7,234 people just like you.
31
Babies crawl an average of 200m a day.
212
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The Japanese, on average, are the shortest people.
320
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Two in five people in the world marry their first love.
270