The only letter not appearing on the Periodic Table is the letter "J".
180
Hot water can freeze faster than cold water.
181
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Iron weighs more after it rusts.
16
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11