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
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
One third of the electricity produced on earth is used to power electric light bulbs!
75
Indoor pollution is 10 times more toxic than outdoor pollution.
62