Nylon is made from coal and petroleum.
42
Scientists in Germany have developed a candy that doesn't cause cavities.
11
German chemists made a replica of a trophy the size of one molecule.
68
Your brain is 80% water.
525
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Indoor pollution is 10 times more toxic than outdoor pollution.
62
A 'jiffy' is an actual unit of time for 1/100th of a second!
66