Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Research indicates that plants grow healthier when they are stroked.
173
In zero gravity, a candle's flame is round and blue.
16
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Pumice is the only rock that floats on water.
14
Aluminum used to be more valuable than gold!
84