The bark of an older redwood tree is fireproof.
65
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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
Nylon is made from coal and petroleum.
42
The sun is 330,330 times larger than the earth.
75
Iron weighs more after it rusts.
68
No matter how cold it gets, gasoline will not freeze.
107