One third of the electricity produced on earth is used to power electric light bulbs!
75
Iron weighs more after it rusts.
16
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Brass doorknobs automatically disinfect themselves in about 8 hours.
18