News in Brief

  1. Science & Society

    Humans

    The sophisticated lives of early North Americans, plus third arms and drunken memories in this week's news.

    By Science News
  2. Chemistry

    Molecules/Matter & Energy

    Lasers 'draw' nanosized structures, plus twisty turbines and quantum vibrations in this week's news.

    By Science News
  3. Earth

    Earth/Environment

    The carbon footprint of Brazilian beef, plus the health effects of pollution and electrification in this week's news.

    By Science News

  4. Genes & Cells

    A lab mistake may have fingered virus for disease, plus proteins that thwart chemo and more in this week’s news.

    By Science News
  5. Health & Medicine

    Body & Brain

    Ibuprofen may help fend off Parkinson’s, plus bone boosters and smokers’ brains in this week’s news.