News

  1. Health & Medicine

    Does lack of sleep lead to diabetes?

    Lack of sleep makes healthy adults somewhat resistant to the effects of the hormone insulin, suggesting it could predispose people toward type II, or adult-onset, diabetes.

    By Nathan Seppa
  2. Earth

    Atlanta leaves big chemical footprint

    A new analysis of water quality downstream of Atlanta shows that some pollutants from the city are still detectable in the river more than 500 kilometers away.

    By Sid Perkins
  3. Earth

    Amazon forest could disappear, soon

    A new model that includes a forest's effect on regional climate shows that the Amazon rainforest could disappear in the next three decades, much more rapidly than previously expected.