Bill Gates' first business was Traff-O-Data, a company that created machines which recorded the number of cars passing a given point on a road
If you went out into space, you would explode before you suffocated because there's no air pressure.
Sloths take two weeks to digest their food.
Cats sleep up to eighteen hours a day, but never quite as deep as humans. Instead, they fall asleep quickly and wake up intermittently to check to see if their environment is still safe.
Money isn't made out of paper; it's made out of cotton.
You can tell the sex of a horse by its teeth. Most males have 40, females have 36.
Did you know any of these?