News

  1. Archaeology

    Laser scanners map rock art

    Researchers have developed a way to use laser-based surveying equipment to quickly and easily create detailed images of ancient rock art.

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  2. Humans

    Medieval cure-all may actually have spread disease

    Powdered mummies, one of medieval Europe's most popular concoctions for treating disease, might instead have been an agent of widespread germ transmission, new research suggests.

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  3. Suppressed thoughts rebound in dreams

    Thoughts that are consciously suppressed during the day often pop up in dreams, regardless of whether they involve emotionally charged desires, a new study suggests.

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  4. Earth

    New U.N. treaty on toxic exports

    The United Nations enacted a new treaty to ban exportation of any of a list of toxic chemicals without the prior informed consent of an importing nation.