A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Hot water can freeze faster than cold water.
181
Each day, up to 150 species of life become extinct.
-23
Aluminum used to be more valuable than gold!
84
Iron weighs more after it rusts.
68
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Sound travels about 4 times faster in water than in air.
408