A ball of glass will bounce higher than a ball made of rubber.
73
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One cubic foot of gold weighs more than 1,200 pounds!
78
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
A cubic yard of air weighs about 2 pounds at sea level.
31