Most dust particles in your house come from dead skin.
48
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Iron weighs more after it rusts.
68
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The only letter not appearing on the Periodic Table is the letter "J".
180
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Diamonds can be shattered with a hammer.
-104
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118