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  1. Earth

    Mighty hurricanes get mightier

    Peak winds in North Atlantic hurricanes and similar storms elsewhere in the world have gained speed during the past three decades, thanks to a warming trend in many of the ocean basins where such storms are spawned.

    By Sid Perkins
  2. Health & Medicine

    Calcium clue

    Excess calcium in the blood might signal an increased risk of fatal prostate cancer, a new study finds.

    By Nathan Seppa
  3. Physics

    Electrons as math whizzes

    A new paper suggests the possibility that the behavior of electrons in quantum systems could verify Riemann’s famous conjecture about prime numbers.

    By Davide Castelvecchi
  4. Life

    Gene linked to commitment-phobia

    A common gene variation in men is linked to marital crises and less bonding in a study of more than 500 long-term couples.