News
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PsychologySmarten up
Taxing memory training produces at least short-term increases in a critical type of intelligence.
By Bruce Bower -
Health & MedicineTripping up avian flu
Developing an effective vaccine for avian flu has been difficult, but small rings of DNA that hinder virus replication could offer an alternative.
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EarthClimate fix could deplete polar ozone
Scientists seeking to cool Earth’s climate by injecting sulfuric acid droplets high in the atmosphere might trim rising temperatures but could also destroy much of the ozone in polar regions, a new study suggests.
By Sid Perkins -
Health & MedicinePockets of poor health
Life expectancy decreases in some locations
By Nathan Seppa -
Health & MedicineNew approach might strike at the core of Alzheimer’s disease
By finding a way to stick an enzyme-inhibiting molecule to the membrane of a cell, scientists may have devised the framework for an Alzheimer’s drug.