The average temperature at 40,000 feet above sea level is -60 F.
56
4.5 pounds of sunlight strike the Earth each day.
27
The storage capacity of human brain exceeds 4 Terrabytes.
140
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Most dust particles in your house come from dead skin.
48
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116