News

  1. Health & Medicine

    Separating wheat from chaff in celiac disease

    Three partial proteins may trigger the T cell immune reactions that cause the symptoms of this intestinal ailment, new research shows.

    By Nathan Seppa
  2. Space

    Taming time travel

    New work is solving paradoxes by making the impossible impossible.

    By Laura Sanders
  3. Health & Medicine

    Taking some of the doubt out of IVF

    Testing shows that a complex array of factors can be used to calculate the probability of in vitro fertilization success better than just using woman’s age as a guidepost.

    By Nathan Seppa
  4. Health & Medicine

    Gel shows promise against HIV

    Scientists have developed the first topical treatment that can prevent HIV infection among women.