Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Cold water weighs more than hot water.
93
German chemists made a replica of a trophy the size of one molecule.
68
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
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