News

  1. Physics

    Vortex gets tied in knots

    Physicists use 3-D printing and tiny bubbles to capture twisted-up water.

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  2. Health & Medicine

    Immune cells chow down on living brain

    Microglia prune developing rat and monkey brains by eating neural stem cells.

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  3. Life

    Camel ancestors lived in the Arctic

    Fossils on Ellesmere Island suggest famous desert dweller got its start in cold regions.

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  4. Health & Medicine

    Baby may be cured of HIV

    Only viral traces remain after prompt treatment of newborn, suggesting no working virus is left in the girl’s body.

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  5. Health & Medicine

    News in Brief: HIV may increase heart attack risk

    A large study of veterans shows connection between HIV and heart attack in men.