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  1. Readers ask about photon rings and more

    By Science News Staff

  2. Forever chemicals’ health risks are getting attention

    Editor in Chief Nancy Shute discusses the health dangers of PFAS chemicals with freelance journalist Melba Newsome.

    By Nancy Shute
  3. Health & Medicine

    DNA is providing new clues to why COVID-19 hits people differently

    Age, general health and vaccinations can affect how sick people get with COVID-19. So can genes. Here are new hints of what’s going on in our DNA.

    By Tina Hesman Saey
  4. Archaeology

    50 years ago, Stonehenge’s purpose mystified scientists. It still does

    In 1972, scientists thought Stonehenge may have been a calendar.