One 75-watt bulb gives more light than three 25-watt bulbs.
57
Iron weighs more after it rusts.
16
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists aren't sure what color dinosaurs were.
312
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Nylon is made from coal and petroleum.
42
One barrel of petroleum holds 42 gallons.
20