0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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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
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
One cubic foot of gold weighs more than 1,200 pounds!
78
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108