The average temperature at 40,000 feet above sea level is -60 F.
56
Your brain is 80% water.
525
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
Diamonds can be shattered with a hammer.
-104
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55