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
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Nylon is made from coal and petroleum.
42
Pure water (H2O) does not conduct electricity on its own.
46
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
German chemists made a replica of a trophy the size of one molecule.
68
One 75-watt bulb gives more light than three 25-watt bulbs.
57