News

  1. Earth

    Salinity sensors

    Trace elements in the carbonate shells of freshwater mussels could serve as an archive of road salt pollution.

    By Sid Perkins
  2. Health & Medicine

    Bad air for growing brains and minds

    Preliminary evidence suggests that children’s regular exposure to heavy air pollution can be accompanied by brain inflammation and lowered scores on intelligence tests.

    By Bruce Bower
  3. Math

    An infinite beautiful mind

    Theorem identifies cases in which infinite-choice games will have at least one Nash equilibrium.

    By Patrick Barry
  4. Math

    Numbers don’t add up for U.S. girls

    Culture may turn potentially high achievers away from math, new study suggests.