It takes about 20 seconds for a red blood cell to circle the whole body. See more

Like fingerprints, everyone's tongue print is different. See more

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

Some lions mate over 50 times a day. See more

Hyenas can comsume prey carrying anthrax without contracting the disease itself. See more

Goldfish have the memory span of about 3-5 seconds. See more

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

Bats always turn left when exiting a cave. See more

In a year, your heart can beat up to 40,000,000 times!. See more