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EarthInhaling salt raises blood pressure
People who work in environments where large amounts of salt particles hang in the air may literally breathe their way to high blood pressure.
By Ben Harder -
Health & MedicineTracking busy genes to get at cancer
By identifying which genes are overactive in certain breast tumors, researchers have discovered a genetic signature that could help doctors predict if and when a woman's cancer might spread to her lungs.
By Nathan Seppa -
TechRoughing up counterfeiters
A new anticounterfeiting scheme generates unique, reproducible identity codes that could be used to authenticate passports, credit cards, and other items on the basis of inherent, microscopic irregularities in the items' surfaces.