The average temperature at 40,000 feet above sea level is -60 F.
56
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The only letter not appearing on the Periodic Table is the letter "J".
180
Your brain is 80% water.
525
A cubic yard of air weighs about 2 pounds at sea level.
31
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
The smell of freshly cut grass is actually a plant distress call.
31