News

  1. Tech

    Triggering genes in a flash

    A light pulse can activate or deactivate selected genes in cells.

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  2. Health & Medicine

    Hidden Effect? Hypertension risk linked to common, over-the-counter pain relievers

    Women who take ibuprofen or acetaminophen for headaches or inflammation boost their chances of developing high blood pressure.

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  3. Astronomy

    Iron-Poor Star: Closing in on the birth of the first stars

    Astronomers have found a star so old and metal poor that its chemical composition carries vestiges of the origin of our galaxy.

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  4. Animals

    Fish Fraud: Cleaners show off before biting clients

    Some of the reef fish that make their living by nibbling parasites off other fish may be luring clients into scams by offering free massages.