The average temperature at 40,000 feet above sea level is -60 F.
56
Cold water weighs more than hot water.
93
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The bark of an older redwood tree is fireproof.
65
Iron weighs more after it rusts.
68
In zero gravity, a candle's flame is round and blue.
16
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44