Astronauts grow taller in space. See more

There are more coffee drug addicts in the US than drug addicts of any other kind. See more

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

Crocodiles swallow stones to help them dive deeper. See more

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

The Nile catfish swim upside down. See more

Butterflies taste with their feet. 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

Ancient Egyptians slept on pillows made of stone! See more