Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Cold water weighs more than hot water.
93
Most dust particles in your house are made from dead skin!
67
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
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Scientists in Germany have developed a candy that doesn't cause cavities.
11
One cubic foot of gold weighs more than 1,200 pounds!
78
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16