German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
A cubic yard of air weighs about 2 pounds at sea level.
31
Iron weighs more after it rusts.
68
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
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Cold water weighs more than hot water.
93
The average temperature at 40,000 feet above sea level is -60 F.
56