News

  1. Health & Medicine

    Tracing pollution links to asthma, allergy

    Excessive exposure to air high in diesel exhaust and wood smoke is tied to disabled immune-regulating cells in children.

    By Nathan Seppa
  2. Earth

    Moderate climate warming could melt permafrost

    Ancient cave formations in Siberia reveal effects of warmer past on frozen ground.

    By Puneet Kollipara
  3. Life

    Insulin levels wax and wane daily

    Modern life may clash with the hormone’s natural cycle, new mouse research suggests.

    By Tina Hesman Saey
  4. Space

    New home for runaway black hole

    Galactic merger and ejection may have sent a cosmic wanderer through deep space.

    By Andrew Grant
  5. Earth

    Intensive care linked to BPA exposure in newborns

    High levels of pollutant BPA occur in sickest babies, study finds.