Uncategorized

  1. Chemistry

    First complete cancer genome sequenced

    With the entire genome sequence of a tumor now in hand, scientists may be able to start answering basic questions about cancer.

    By Laura Sanders
  2. Climate

    Climate change stifling lemmings

    Warmer winter temperatures are altering the snowpack, squelching the rodents’ population booms.

    By Sid Perkins
  3. Health & Medicine

    Vitamins don’t alter cancer risk

    Taking supplemental folate and other B vitamins doesn’t raise or lower the risk of cancer in women.

    By Nathan Seppa
  4. Chemistry

    Oldest evidence for complex life in doubt

    Chemical biomarkers in ancient Australian rocks, once thought to be the oldest known evidence of complex life on Earth, may have infiltrated long after the sediments were laid down, new analyses suggest.