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  1. Readers ask about Saturn’s icy rings, transparent fish and more

    By Science News Staff
  2. Astronomy

    50 years ago, a search for proof that the Maya tracked comets came up short

    The mystery of whether the ancient civilization tracked comets endures, but recent evidence hints the Maya tracked related meteor showers.

    By Erin Garcia de Jesús

  3. Boys and girls are suffering, but in different ways

    By Nancy Shute
  4. Life

    1.6-billion-year-old steroid fossils hint at a lost world of microbial life

    Molecular fossils suggest the existence of a lost world of primitive eukaryotes that dominated aquatic ecosystems from at least 1.6 billion to 0.8 billion years ago.