Diamonds can be shattered with a hammer.
-104
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Iron weighs more after it rusts.
68
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Sound at the right vibration can bore holes through a solid object.
134
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
In zero gravity, a candle's flame is round and blue.
16
