A cesium atom in an atomic clock beats over nine billion times a second.
43
Aluminum used to be more valuable than gold!
84
In zero gravity, a candle's flame is round and blue.
16
Nylon is made from coal and petroleum.
42
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Hot water can freeze faster than cold water.
181
Scientists in Germany have developed a candy that doesn't cause cavities.
11
4.5 pounds of sunlight strike the Earth each day.
27