Scientists ask: Is the kilo losing weight?

Sunday, April 24, 2011 - 13:30 in Psychology & Sociology

Ensuring a pound of butter is indeed a pound, or a gallon of milk a full gallon, has long been the province of government agencies that deal with weights and measures. But now it seems scientists are having a little trouble with the golf-ball-size piece of metal that is used to set the standard weight for a kilogram, or kilo.

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