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  1. Planetary Science

    Martian dust storm

    In late October, a day after Mars and Earth were at their closest approach until 2018, the Hubble Space Telescope captured an image of a large dust storm on the Red Planet.

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  2. Health & Medicine

    New malaria vaccine is off to promising start

    An experimental malaria vaccine has been shown to induce a strong immune response in people.

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  3. Tech

    Sweets spur biodiesel reaction

    A Japanese research team has made an environmentally friendly biodiesel catalyst from charred sugars.

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  4. Urban fish show perturbed spawning cycle

    Sediment-dwelling fish off Seattle's waterfront exhibit spawning abnormalities that may compromise their ability to reproduce successfully.