The average temperature at 40,000 feet above sea level is -60 F.
56
Out of all the senses, smell is most closely linked to memory.
146
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Pure water (H2O) does not conduct electricity on its own.
46
Iron weighs more after it rusts.
16