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  1. Astronomy

    First 3-D map of a gas cloud in space shows it’s flat like a pancake

    An interstellar gas cloud dubbed the Dark Doodad Nebula looks like a wispy, thin cylinder. But it’s actually a flat sheet.

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  2. Earth

    Satellite data backs theory of North Korean nuclear site collapse

    After North Korea’s most recent nuclear test, two underground cave-ins occurred, possibly rendering the facility unusable, a new study suggests.

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  3. Life

    There’s a genetic explanation for why warmer nests turn turtles female

    Scientists have found a temperature-responsive gene that controls young turtles’ sex fate.

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  4. Particle Physics

    The proton’s weak side is just as feeble as physicists thought

    Scientists make the most precise measurement yet of the proton’s weak charge and find it agrees with predictions.