Iron weighs more after it rusts.
68
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
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
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
One cubic foot of gold weighs more than 1,200 pounds!
78
Diamonds can be shattered with a hammer.
-104
One ragweed plant can release as many as one billion grains of pollen!
51