Most dust particles in your house come from dead skin.
48
The smell of freshly cut grass is actually a plant distress call.
31
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Sound travels fifteen times faster through steel than through air.
134
Diamonds can be shattered with a hammer.
-104
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51