News

  1. Chemistry

    Nitrogen Power: New crystal packs a lot of punch

    At extremely high temperatures and pressures, nitrogen gas assumes a three-dimensional crystal structure called polymeric nitrogen, a long-sought energy-storage material.

    By Alexandra Goho

  2. Groomed DNA Handles Threats: Mothering styles alter rats’ stress responses

    In rats, mothering styles set the genetic stage for a pup's lifelong responses to stressful situations.

    By Bruce Bower
  3. Health & Medicine

    A Toxic Side of Weight Loss: Pollutants may slow body’s metabolism

    Weight loss releases toxic chemicals into the bloodstream, which may slow the body's metabolism.

    By Carrie Lock
  4. Earth

    Sea Change: Carbon dioxide imperils marine ecosystems

    Almost half the carbon dioxide produced by human activity in the past 2 centuries is now dissolved in the oceans, resulting in chemical changes that, if unchecked, could threaten some marine ecosystems.