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  1. Plants

    Mirror Image: Flowers with opposite styles have a fling

    Scientists have discovered a gene that controls whether flowers lean to the left or the right.

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  2. Astronomy

    Outlier Planet: Extrasolar places that are like home

    A team of veteran hunters of planets outside the solar system has come up with a landmark finding: a Jupiterlike planet orbiting a Sunlike star at a Jupiterlike distance.

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  3. Health & Medicine

    Smart Drugs: Leukemia treatments nearing prime time

    Three new drugs stop acute myeloid leukemia in mice, suggesting the treatments will work in people with this deadly blood cancer.

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  4. Physics

    Voyager spacecraft still buffeted by sun

    Even though the two Voyager probes launched in 1977 passed the outermost planets in our solar system more than a decade ago, their sensors show that they can't yet outrun the influence of solar flares.