News

  1. Life

    Immune disease an added blow to fungus-ridden bat populations

    Rare immune complication previously seen only in people devastates animals that had appeared to evade white nose syndrome.

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  2. Space

    First rock from the sun turns out to have ice

    Frozen material at the planet’s poles likely came from comet or asteroid impacts.

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  3. Health & Medicine

    Simulated brain mimics human quirks

    Model representing 2.5 million neurons performs calculations, issues instructions for a behavior, and then expands its decision into action.

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  4. Earth

    Grand Canyon could be much older than thought

    Disputed dating of rock erosion pegs the ancient chasm as 70 million years old.