News

  1. Neuroscience

    Zipping to Mars could badly zap brain nerve cells

    Charged particles like the ones astronauts might encounter wallop the brain, mouse study suggests.

    By Laura Sanders
  2. Physics

    Tiny particles propel themselves upstream

    Light-activated, human-made particles can align themselves with the flow of a fluid and swim upstream.

    By Ashley Yeager
  3. Physics

    Explanation for G’s imprecision stumbles

    A surprising new result seems to suggest that subtle changes in Earth’s rotation rate could account for physicists’ difficulty in measuring Newton’s gravitational constant. But some confusion with dates appears to derail the finding.

    By Andrew Grant
  4. Genetics

    DNA disorganization linked to aging

    Changes in the way that DNA is tightly packed in cells leads to mayhem that promotes the aging process.