News

  1. Health & Medicine

    Ingredient Shuffle: A trans fat substitute might have risks too

    A controversial trial of a chemically modified fat called an interesterified fat suggests that it is more harmful than is a trans fat–rich, partially hydrogenated vegetable oil.

    By Ben Harder
  2. Earth

    Why So Dry? Ocean temperatures alone don’t explain droughts

    Evidence from ancient dunes points to three periods of prolonged drought in the U.S. Great Plains, but finding their causes may be more complex than previously supposed.

    By Patrick Barry
  3. Health & Medicine

    Fatal Flaw? Antibleeding drug faces new safety questions

    The drug commonly used to slow bleeding during heart surgery increases a patient's risk of dying during the next 5 years.