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.
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Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Sound at the right vibration can bore holes through a solid object.
134
Brass doorknobs automatically disinfect themselves in about 8 hours.
18