News
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HumansAncient farmers swiftly spread westward
A sudden influx of Neolithic farmers in southern Europe led to agricultural practices still in play today.
By Bruce Bower -
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LifeAspens bust, diseased mice boom
As trees decline, populations of rodents that carry the deadly sin nombre virus are on the rise.
By Susan Milius -
Science & SocietyMethane from BP spill goes missing
Latest sampling suggests either that microbes have already devoured the most abundant hydrocarbon produced by the leak — or that researchers have simply lost track of it.