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SpaceSniping at Jupiter
Giant Jupiter, often thought to protect the inner planets from space debris, may sometimes acts as a sniper, hurling material toward Earth.
By Ron Cowen -
SpaceSome like it hot
Astronomers have discovered the hottest and largest known extrasolar planet.
By Ron Cowen -
EarthSalinity sensors
Trace elements in the carbonate shells of freshwater mussels could serve as an archive of road salt pollution.
By Sid Perkins -
Health & MedicineBad air for growing brains and minds
Preliminary evidence suggests that children’s regular exposure to heavy air pollution can be accompanied by brain inflammation and lowered scores on intelligence tests.