Yemen, a quasi-failed state torn by civil war, had 54.8 guns per 100 people in 2007. See more

Owls swallow their prey hole because they have no teeth. After 12 hours they cough up the feathers, bones, and fur in a shape of a football pellet. See more

The word "lethologica" describes the state of not being able to remember the word you want. See more

Mexico City sinks about 10 inches a year. See more

Maine is the only state in the US whose name is just one syllable. See more

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

The cruise liner, Queen Elizabeth 2nd, burns a gallon of diesel for each 6 inches that it moves. See more

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