News

  1. Psychology

    Smarten up

    Taxing memory training produces at least short-term increases in a critical type of intelligence.

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  2. Health & Medicine

    Tripping 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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  3. Earth

    Climate 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.

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  4. Health & Medicine

    Pockets of poor health

    Life expectancy decreases in some locations

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  5. Health & Medicine

    New 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.