Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
German chemists made a replica of a trophy the size of one molecule.
68
The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists are now able to grow 'beating' heart tissue in a lab!
162
A cubic yard of air weighs about 2 pounds at sea level.
31
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21