Uncategorized

  1. Health & Medicine

    Defining normal in the brain

    A new growth curve paves way for scans to be used to spot early signs of autism, schizophrenia or other disorders.

    By Laura Sanders
  2. 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
  3. Math

    Crowdsourcing peer review

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

    By Julie Rehmeyer
  4. 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.