One cubic foot of gold weighs more than 1,200 pounds!
78
Pure water (H2O) does not conduct electricity on its own.
46
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
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
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9