Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Scientists in Germany have developed a candy that doesn't cause cavities.
11
For every gallon of sea water, you get more than a quarter pound of salt.
45
Most dust particles in your house are made from dead skin!
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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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
One 75-watt bulb gives more light than three 25-watt bulbs.
57