The average temperature at 40,000 feet above sea level is -60 F.
56
4.5 pounds of sunlight strike the Earth each day.
27
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Aluminum used to be more valuable than gold!
84
Scientists aren't sure what color dinosaurs were.
312
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Liquid TIDE laundry detergent glows under a blacklight.
96