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  1. Health & Medicine

    Kidney Progress: Drug slows cyst growth

    The trial drug roscovitine has been shown to reverse polycystic kidney disease in mice.

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  2. Astronomy

    Cosmic Pops: Nearby galaxy is hotbed of supernova formation

    Large galaxies usually have no more than three supernovas blow up in a century, but the nearby galaxy NGC 1316 has had two such explosions within the past 5 months and four in the past 26 years.

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  3. Animals

    Fighting Styles: Gene gives flies his, her conflict moves

    Switching forms of one gene can make a male fruit fly fight like a girl, and vice versa.

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  4. Toxin Buster: New technique makes cottonseeds edible

    Scientists have engineered cotton plants that produce seeds missing a toxic compound that had previously made them inedible.