There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Iron weighs more after it rusts.
16
German chemists made a replica of a trophy the size of one molecule.
68
The only letter not appearing on the Periodic Table is the letter "J".
180
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The average home creates more pollution than does the average car.
33
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55