The average temperature at 40,000 feet above sea level is -60 F.
56
One 75-watt bulb gives more light than three 25-watt bulbs.
57
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The force of a suction cup is calculated using F=AP.
15
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108