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
Scientists aren't sure what color dinosaurs were.
312
Balsa wood is classified as a hard wood!
41
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
The bark of an older redwood tree is fireproof.
65
The sun is 330,330 times larger than the earth.
75
German chemists made a replica of a trophy the size of one molecule.
68