Pumice is the only rock that floats on water.
14
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
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
The storage capacity of human brain exceeds 4 Terrabytes.
140
4.5 pounds of sunlight strike the Earth each day.
27
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155