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
Each day, up to 150 species of life become extinct.
-23
Iron weighs more after it rusts.
16
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One third of the electricity produced on earth is used to power electric light bulbs!
75
In zero gravity, a candle's flame is round and blue.
16