Diamonds can be shattered with a hammer.
-104
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Research indicates that plants grow healthier when they are stroked.
173
Hot water can freeze faster than cold water.
181
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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
4.5 pounds of sunlight strike the Earth each day.
27