"You grow by about 8mm (O.3in) every night when you are asleep, but shrink to your former height the following day."
A Blue whale's tongue weighs more than an elephant.
Bruce Lee was so fast that they actually had to slow a film down so you could see his moves. That's the opposite of the norm.
Bone is five times stronger than steel.
Tiger shark embroyos fight each other in their mother's womb. The survivor is born.
Bamboo can grow up to 3 ft in 24 hours.
It would take 1,200,000 mosquitoes, each sucking once, to completely drain the average human of blood.
There are as many chickens on earth as there are humans.
Over 4 million cars in Brazil are now running on gasohol instead of petrol. Gasohol is a fuel made from sugar cane.
250 people have fallen off the Leaning Tower of Pisa.
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
A normal person will die from total lack of sleep sooner than from starvation. Death will occur about 10 days without sleep, while starvation takes a Few weeks.
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
"Bookkeeper" is the only word in English language with three consecutive Double letters.
