Letters to the Editor

  1. Health & Medicine

    Readers seek answers to stories about shingles, Neandertal spears and more

    Readers had questions about Neandertal spears, Earth’s inner core and more.

    By Science News Staff
  2. Tech

    Readers respond to classroom robots, soil erosion and more

    Readers had comments and questions about robots in classrooms, benzodiazepines and more.

    By Science News Staff
  3. Astronomy

    Readers have questions about Ultima Thule, thirsty plants and vitamin D

    Readers had comments and questions about Ultima Thule, photosynthesis and more.

    By Science News Staff
  4. Life

    Readers ponder mitochondria, Neandertal diets, deep sea corals and more

    Readers had questions about mitochondrial DNA, Neandertal diets, deep ocean corals and more.