Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Balsa wood is classified as a hard wood!
41
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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
A cubic yard of air weighs about 2 pounds at sea level.
31
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
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155