Tortoises in the Mojave Desert store up to 1/3 of their body weight in urine. When they need water, the water in their urine flows back into their bodies while the waste remains and expels.

More than $1 billion is spent each year on neck ties in the United States.

The first human-made object to break the sound barrier was a whip.

A M A Z I N G   F A C T S