A cat's urine glows under a black light. See more

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

At birth, a panda is smaller than a mouse and weighs about four ounces. See more

More than 50% of the people in the world have never made or received a telephone call. 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

Bamboo can grow up to 36 inches a day. See more

Butterflies taste with their feet. See more

More Monopoly money is printed yearly than real money throughout the world. See more

Blue and fin whales can create the loudest sound by animals ever recorded. See more