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

You cannot sneeze with your eyes open. See more

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

The magnetic North Pole shifts by about 7 meters a day. See more

Your skin weighs about 3.2 kg. See more

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

The first bar code was used on Wrigleys gum. See more

Astronauts grow taller in space. See more

The deepest hole ever made in the world (in Texas) is as deep as 20 empire state buildings but only 3 inches wide. See more

Your nose smells best when you are about 10 years old. See more

Soccer is the most attended or watched sport in the world. See more

365 different languages are spoken in Indonesia. See more

Lightning bolts can sometimes be hotter than the sun (about 50,000 ºF, 27,760 ºC). See more

Adolf Hitler had only one testicle. See more

The screwdriver was invented before the screw. See more

The hairs on a polar bear are not white, but clear. They reflect light, so they appear white. See more