The average temperature at 40,000 feet above sea level is -60 F.
56
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Each day, up to 150 species of life become extinct.
-23
One third of the electricity produced on earth is used to power electric light bulbs!
75
Hot water can freeze faster than cold water.
181
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
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