News

  1. Archaeology

    Lasers reveal ancient urban sprawl hidden in the Amazon

    South America’s Casarabe culture built a network of large and small settlements in what’s now Bolivia centuries before the Spanish arrived.

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  2. Neuroscience

    Headbutts hurt the brain, even for a musk ox

    Though musk oxen are built to bash, a study of the headbutters turned up signs of brain damage. But that may not be catastrophic for the bovids.

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  3. Ecosystems

    Biocrusts reduce global dust emissions by 60 percent

    Lichens and other microbes construct biological soil crusts that concentrate nutrients and slash global dust emissions.

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  4. Planetary Science

    Ice at the moon’s poles might have come from ancient volcanoes

    Volcanic eruptions billions of years ago probably released enough water vapor to have deposited ice at the lunar poles, a study finds.