News

  1. Planetary Science

    67P reveals recipe for a comet

    Rosetta’s comet 67P probably started out as two smaller comets.

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  2. Math

    83-year-old math problem solved

    An 83-year-old math problem concerning sequences of 1s and –1s has been solved.

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  3. Animals

    Alpine bee tongues shorten as climate warms

    Pollinators’ match with certain alpine flowers erodes as climate change pushes fast evolution.

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  4. Chemistry

    Elusive acid finally created

    Cyanoform, a chemical sought for more than a century and written into textbooks, is one of the strongest organic acids.

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  5. Astronomy

    Black hole collisions evade detection

    The environment in the centers of some galaxies might inhibit gravitational waves radiating from supermassive black holes, a new study suggests.

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  6. Health & Medicine

    What makes cells stop dividing and growing

    Scientists have found that the protein GATA4 helps control cellular senescence, and may be a target for treating aging-related diseases.

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  7. Life

    For people, mealtime is all the time

    People eat for most of their waking hours, which may affect sleep and weight.

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  8. Neuroscience

    Separate cell types encode memory’s time, place

    Cells called ocean cells help store a memory’s “where,” while other cells called island cells help store a memory’s “when.”

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  9. Quantum Physics

    Quantum choice can be counterproductive

    In a puzzling paradox, delivering quantum messages becomes more difficult if the intended recipient offers the sender multiple options for the time and place of delivery.

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  10. Anthropology

    Handed-down tales tell of ancient sea level rise

    Australian Aborigines tell tales of actual, ancient sea-level rises, a contested study finds.

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  11. Earth

    Shortcut math predicts tsunami height quickly

    The September 16 earthquake that rattled Chile proved an unexpected test for new numerical calculations that could provide quicker forecasts of incoming tsunamis.

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  12. Physics

    Raw chicken, ingenuity make a time-reversal mirror

    A new phase-conjugation mirror sends light waves back where they came from, allowing physicists to reconstruct images even if the original light was severely scrambled.

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