News

  1. Health & Medicine

    Balancing Act: Excess steroids during pregnancy may pose risks for offspring

    Heavy amounts of steroids taken during pregnancy can have long-term deleterious effects on offspring, a study of monkeys shows.

    By Nathan Seppa
  2. Health & Medicine

    Risky Flames: Firefighter coronaries spike during blazes

    A disproportionate number of heart disease deaths among firefighters occur during blazes.

    By Brian Vastag
  3. Physics

    Closer to Vanishing: Bending light as a step toward invisibility cloaks

    Invisibility cloaks may be a long shot, but new optical tricks could help in the design of future computers.

    By Davide Castelvecchi
  4. Chemistry

    Waistline Worry: Common chemicals might boost obesity

    A family of chemicals implicated in testosterone declines may also be contributing to recent spikes in obesity and diabetes.