The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Hot water can freeze faster than cold water.
181
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Nylon is made from coal and petroleum.
42
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
The bark of an older redwood tree is fireproof.
65