A pipe 2 feet in diameter will allow four times more fluid to pass through it than a pipe 1 foot in diameter.
20
It takes 492 seconds for sunlight to reach the Earth!
44
20252 is Smokey the Bear's own zip code.
35
Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
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.
479
People spend about two weeks of their lives at traffic lights!
159
The weight of air in a milk glass is about the same as the weight of one aspirin tablet.
63