Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.