Scientists aren't sure what color dinosaurs were.
312
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
Hot water can freeze faster than cold water.
181
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116