News
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PhysicsAntimatter loses again
A study of subatomic B mesons reveals a new way in which the laws of physics differ for matter and antimatter, providing another clue to why there's almost no antimatter in the universe today.
By Peter Weiss -
Planetary ScienceFinding a lunar meteorite’s home
Scientists have for the first time pinpointed the source of a meteorite that came from the moon.
By Ron Cowen -
Materials ScienceBacterial glue: The stuff that binds?
A sticky slime secreted by bacteria could soon find its way into a host of wood products, including plywood and particleboard.
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Health & MedicineDemanding careers may thwart Alzheimer’s
People who spend many years in mentally taxing jobs are less likely to develop Alzheimer's disease than are people who do more-routine work.