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(PhysOrg.com) -- The General Conference on Weights and Measures (CGPM) at its most recent meeting in Sčvres, France, has voted unanimously on a proposal to consider changes to at least some of the seven basic units (second, metre, kilogram, ampere, kelvin, mole and candela) of measurements used by most of the civilized world. This comes after years of debate concerning the kilogram, ampere, kelvin, and mole in particular. Of these, the kilogram has come under the most fire as it’s still based on a hunk of metal kept under lock and key in a vault in Paris.

Bill Borucki is the principal investigator for NASA's planet-finding Kepler spacecraft. At a recent meeting of the American Astronomical Society, Borucki explained how long it will be before Kepler can tell us whether habitable, Earth-like planets are common or rare: [More]

At a recent meeting of the American Astronomical Society, Bill Borucki , principal investigator for NASA's planet-finding Kepler spacecraft, provided an update on Kepler's hunt for distant worlds, especially those Earth-like planets that might be habitable: [More]