Uncategorized

  1. Space

    Mars shows signs of recent activity

    The surface of Mars had abundant liquid water as well as volcanic activity during the past 100 million years, a new study of the Martian atmosphere suggests.

    By Ron Cowen
  2. Math

    Crowdsourcing peer review

    MATH TREK: A claimed proof that P≠NP spurs a massive collaborative research effort.

    By Julie Rehmeyer
  3. Health & Medicine

    A cellular secret to long life

    Longevity may depend in part on histones, proteins that keep DNA neatly spooled in the cell’s nucleus and help regulate gene activity.

    By Tina Hesman Saey
  4. Health & Medicine

    Mutated gene cited in some ovarian cancers

    The finding may help researchers devise a way to screen women with endometriosis for cancer risk.