In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Pure water (H2O) does not conduct electricity on its own.
46
The smell of freshly cut grass is actually a plant distress call.
31
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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
According to studies, men change their minds two to three times more often than women.
72
Aluminum used to be more valuable than gold!
84