Koala bears have finger prints that are almost identical to ours. See more

A chameleon's tongue is twice the length of its body. See more

In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces! See more

The can opener was invented 48 years after cans were introduced. See more

During warm weather hippopotamus's secrete sweat that is pink. This substance not only cools them down but also helps fight infections of the skin. See more

Stewardesses is the longest word typed with only the left hand. See more

There are 206 bones in your skeleton. See more

You're born with 300 bones, but when you get to be an adult, you only have 206. See more

Venus is the only planet in the solar system to spin backwards. See more