The average home creates more pollution than does the average car.
33
Iron weighs more after it rusts.
68
The force of a suction cup is calculated using F=AP.
15
4.5 pounds of sunlight strike the Earth each day.
27
For every gallon of sea water, you get more than a quarter pound of salt.
45
The smell of freshly cut grass is actually a plant distress call.
31
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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18