One 75-watt bulb gives more light than three 25-watt bulbs.
57
The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists in Germany have developed a candy that doesn't cause cavities.
11
A cubic yard of air weighs about 2 pounds at sea level.
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
Research indicates that plants grow healthier when they are stroked.
173
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7