A tuna called the 'Blue Fin' can be sold for over $20,000 around the world. See more

Hot water weighs less than cold water for a given volume. See more

You cannot sneeze with your eyes open. See more

There are more than 40,000 characters in Chinese script. See more

An octopus can change its shape and color to blend in with its surroundings. See more

Adolf Hitler was a vegetarian. See more

Your skin weighs about 3.2 kg. See more

A rat can last longer without water than a camel. See more

Hydrogen is an explosive gas. Oxygen supports combustion. Yet when these are combined it is water which is used to put out fires. See more