0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
By weight, Bone is five times stronger than steel.
417
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The Japanese, on average, are the shortest people.
320
Dutch, on average are the tallest people.
187
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
Babies crawl an average of 200m a day.
212