Uncategorized

  1. Earth

    Volcanic ash gets its close-up

    Last year’s eruption in Iceland spit out supersharp and potentially harmful particles, nanoscale images show.

    By Alexandra Witze
  2. Chemistry

    Molecules/Matter & Energy

    Marijuana loses its high, plus soy tape, gritty bubbles and more in this week’s news.

    By Science News
  3. Earth

    Earth/Environment

    Anticorrosion chemicals, ancient Arkansas rock, stowaway species and more in this week’s news.

    By Science News
  4. Physics

    Salt clouds relieve some Arctic warming

    Sea sprays from increasingly open waters exert a cooling effect in the region.

    By Janet Raloff
  5. Life

    Genes & Cells

    How humans evolved shorter pregnancies, plus crayfish brains and restoring nerve insulation in this week’s news.