Aluminum used to be more valuable than gold!
84
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
German chemists made a replica of a trophy the size of one molecule.
68
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Research indicates that plants grow healthier when they are stroked.
173
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The force of a suction cup is calculated using F=AP.
15