Iron weighs more after it rusts.
68
In zero gravity, a candle's flame is round and blue.
16
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Pumice is the only rock that floats on water.
14
Most dust particles in your house are made from dead skin!
67
One 75-watt bulb gives more light than three 25-watt bulbs.
57
One barrel of petroleum holds 42 gallons.
20
Research indicates that plants grow healthier when they are stroked.
173