By weight, Bone is five times stronger than steel.
417
40% of people who are rejected in romantic love slip into clinical depression.
72
If you're one in a million, there are about 7,234 people just like you.
31
Each day, there are over 120 million sexual intercourse taking place all over the world.
301
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
Nearly half of the entire world's adult population has never drunk alcohol.
12
The Japanese, on average, are the shortest people.
320