Iron weighs more after it rusts.
16
Balsa wood is classified as a hard wood!
41
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
No matter how cold it gets, gasoline will not freeze.
107
For every gallon of sea water, you get more than a quarter pound of salt.
45
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Nylon is made from coal and petroleum.
42