Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Research indicates that plants grow healthier when they are stroked.
173
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Most dust particles in your house are made from dead skin!
67
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7