Uncategorized

  1. Space

    The first glimpses of a pulsar’s surface hint at complex magnetism

    Maps of a rapidly spinning neutron star could eventually help researchers figure out how matter behaves at extraordinarily high densities.

    By Christopher Crockett
  2. Earth

    Debate over signs of early life inspires dueling teams to go to Greenland — together

    The remote site — which may or may not contain evidence of the most ancient life on Earth — could help scientists plan how to study such signs on Mars.

    By Carolyn Gramling
  3. Math

    Color-changing fibers help reveal mysteries of how knots work

    Experiments with colorful fibers helped scientists discover a few simple rules behind knots’ varying strengths.