The first owner of the Marlboro Company died of lung cancer. See more

Dolphins sleep with one eye open. See more

A crocodile's tongue is attached to the roof of its mouth and he cannot move it. See more

There are only four words in the English language which end in "-dous": tremendous, horrendous, stupendous, and hazardous. See more

Hershey's Kisses are called that because the machine that makes them looks like it's kissing the conveyor belt. See more

75% of wild birds die before they are 6 months old. See more

About 70 percent of your body weight is water. See more

Shakespeare invented the words "assassination" and "bump". See more

Winston Churchill was born in a ladies' room during a dance. See more

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

The typical laboratory mouse runs 2.5 miles per night on its treadmill. See more

Two-thirds of the world's kidnappings occur in Colombia. See more

Your muscles make up about one-half of your body weight. See more

The name for having a fear of long words: Hippopotomonstroses­quippedaliophobia. Ironic, isn't it? See more

December 1972, astronaut Eugene Cernan (U.S.) became the last person to set foot on the moon. See more

Baby elephants can drink over 80 litres of milk a day. See more