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
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Pure water (H2O) does not conduct electricity on its own.
46
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
4.5 pounds of sunlight strike the Earth each day.
27
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114