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
Research indicates that plants grow healthier when they are stroked.
173
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Pumice is the only rock that floats on water.
14
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61