Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women. The reason firehouses have circular stairways is from the days of yore when the engines were pulled by horses. The horses were stabled on the ground floor and figured out how to walk up straight staircases. Each king in a deck of playing cards represents a great king from history. Nutmeg is extremely poisonous if injected intravenously.
Pearls melt in vinegar.
Honey is the only food that doesn't spoil. If you put a raisin in a glass of champagne, it will keep floating to the top and sinking to the bottom. Only one person in two billion will live to be 116 or older. Your stomach has to produce a new layer of mucus every two weeks or it will digest itself. It was discovered on a space mission that a frog can throw up.