Uncategorized

  1. Earth

    Ancient zircons may record the dawn of plate tectonics

    A change in gemstone composition starting about 3.8 billion years ago may offer the earliest record of one tectonic plate sliding over another.

    By Nikk Ogasa

  2. Readers react to Science News‘ century of coverage, fynbos plants and more

    By Science News Staff

  3. A changing climate means changes on the plate

    Editor in chief Nancy Shute discusses the future of food through the lens of climate change.

    By Nancy Shute
  4. Health & Medicine

    How I decided on a second COVID-19 booster shot

    Boosters help for a short time, and mixing vaccines doesn’t seem to push the immune system toward making unhelpful antibodies, studies show.