Uncategorized
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Health & MedicineGerms in tobacco are potential source of respiratory infections blamed on smoking
Tests find hundreds of bacterial species in major cigarette brands.
By Janet Raloff -
Health & MedicineChip of tooth tells radiation dose
A two-milligram dot of tooth enamel serves as a radiation dosimeter.
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LifeHydrothermal vents sometimes colonized from afar
Deep-sea currents can waft larvae hundreds of kilometers.
By Sid Perkins -
PlantsLosing life’s variety
2010 is the deadline set for reversing declines in biodiversity, but little has been accomplished.
By Susan Milius -
Health & MedicineCarotid procedures test about equally
Study finds similar stroke risks after surgery or stents.
By Nathan Seppa -
Health & MedicineU.S. women still have higher stroke incidence than men
Research suggests possible link to abdominal fat.
By Nathan Seppa -
Health & MedicineCompound might facilitate stroke recovery
Animal study finds regrowth of brain cells with natural protein fragment.
By Nathan Seppa -
Health & MedicineCoffee associated with lower stroke risk
Study finds java drinkers 71 percent as likely to have had stroke as nondrinkers.
By Nathan Seppa -
PhysicsHogan’s noise
A cosmologist suggests a novel way to uncover the nature of spacetime on the smallest scales.
By Ron Cowen -
Science Past for March 12, 1960
New weight for silver will not affect dimes — An atom of silver weighs less than previously thought, but this new finding of the National Bureau of Standards will not affect the silver dimes in your pockets. A dime will still be worth ten cents. The new atomic weight of silver was set at 107.873 […]
By Science News -
New NOAA climate office would meet growing needs
As the U.S. Global Change Research Program’s 2009 report indicates, climate-related impacts are already evident and expected to increase. Signs of change abound. Sea level rise. Longer growing seasons. Increases in heavy downpours. Droughts. Extended ice-free seasons and more. JANE LUBCHENCO “NOAA will be better prepared to continue its internationally recognized role in the development […]