Nearly 50% of the world's scientists are assigned to military projects.
71
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
4.5 pounds of sunlight strike the Earth each day.
27
In zero gravity, a candle's flame is round and blue.
16
Nylon is made from coal and petroleum.
42
One barrel of petroleum holds 42 gallons.
20
The smell of freshly cut grass is actually a plant distress call.
31
Neanderthal man had a brain capacity 100cc larger than modern man's.
50