News

  1. Health & Medicine

    Poor sleep may account for a large share of dementia cases

    Researchers estimate that roughly 12 percent of U.S. dementia cases could be tied to insomnia.

    By Marla Broadfoot
  2. Physics

    A Greek star catalog from the dawn of astronomy, revealed

    Researchers are using X-rays to discover invisible markings left on ancient parchment containing information from the Greek astronomer Hipparchus.

    By Adam Mann
  3. Neuroscience

    A study hints positive thinking could strengthen vaccine immunity

    Thinking positive increased a specific brain region's activity and might have heightened immune response after a shot.

    By Simon Makin
  4. Animals

    Canadian humpback whales thrive with a little help from their friends

    Humpback whales are teaching each other a feeding technique called bubble netting, and it's helping a Canadian population recover from whaling.