The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
One third of the electricity produced on earth is used to power electric light bulbs!
75
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
The storage capacity of human brain exceeds 4 Terrabytes.
140
The force of a suction cup is calculated using F=AP.
15
The smell of freshly cut grass is actually a plant distress call.
31