German chemists made a replica of a trophy the size of one molecule.
68
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Liquid TIDE laundry detergent glows under a blacklight.
96
Aluminum used to be more valuable than gold!
84
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Indoor pollution is 10 times more toxic than outdoor pollution.
62