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The Kilogram Has Been Putting On Weight
2013-01-07 10:20:51

Scientists from University of Newcastle say that the platinum-based kilogram standard has been putting on weight over the years, adding tens of micrograms of hydrocarbon "pollution" every year.


Word of the Day
zill
  • One of a pair of round metal cymbals attached to the fingers and struck together for rhythm and percussion in belly dancing.
The word 'zill' comes from a Turkish word meaning "cymbals".
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