0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The storage capacity of human brain exceeds 4 Terrabytes.
140
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Pumice is the only rock that floats on water.
14
Each day, up to 150 species of life become extinct.
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