The average temperature at 40,000 feet above sea level is -60 F.
56
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
Sound at the right vibration can bore holes through a solid object.
134
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9