Sound travels fifteen times faster through steel than through air.
134
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Diamonds can be shattered with a hammer.
-104
German chemists made a replica of a trophy the size of one molecule.
68
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The average home creates more pollution than does the average car.
33
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
Nylon is made from coal and petroleum.
42