By weight, Bone is five times stronger than steel.
417
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The Japanese, on average, are the shortest people.
320
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
There are more than 150 million sheep in Australia, and only some 20 million people.
247