Crazy

• A dragonfly has a lifespan of twenty-four hours.
• A duck's quack doesn't echo. No one knows why.
• A female ferret will die if it goes into heat and cannot find a mate.
• A flush toilet exists that dates back to 2000 BC.

• A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
• A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
• A 'jiffy' is an actual unit of time for 1/100th of a second!