Cold water weighs more than hot water.
93
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
In zero gravity, a candle's flame is round and blue.
16
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Diamonds can be shattered with a hammer.
-104
Most dust particles in your house come from dead skin.
48
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Nylon is made from coal and petroleum.
42