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
Iron weighs more after it rusts.
16
Balsa wood is classified as a hard wood!
41
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Research indicates that plants grow healthier when they are stroked.
173
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55