Bubble gum and fairy floss were invented by dentists. See more

The mantis shrimp has an extending claw that can punch a hole through a glass jar. See more

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

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

Pigs can't sweat because they don't have sweat glands. See more

After billions of years, black holes become white holes and they spit out all the things they sucked up. See more

More than 20% of the votes in the 2001 elections in Argentina were invalid. 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

Typewriter, is one of the longest words that can be made using the letters on only one row of the keyboard. See more