News

  1. 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
  2. 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
  3. 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.

    By Rachel Ehrenberg
  4. Paleontology

    This dinosaur’s ride may have been a glide

    A new dino called Yi qi may have taken to the skies with wings akin to those of pterosaurs and flying squirrels.