News

  1. Health & Medicine

    Transplanted stem cells become eggs in sterile mice

    Sterile mice that received transplanted egg-making stem cells were able to have healthy babies.

    By Laurel Hamers
  2. Environment

    When it’s hot, plants become a surprisingly large source of air pollution

    During a heat wave, trees and shrubs can sharply raise ozone levels, a new study shows.

    By Ashley Yeager
  3. Animals

    Orangutans take motherhood to extremes, nursing young for more than eight years

    Weaning in orangutans has been tricky to see in the wild, so researchers turned to dental tests to reveal long nursing period.

    By Susan Milius
  4. Health & Medicine

    Where you live can affect your blood pressure, study suggests

    For black adults, moving out of a racially segregated neighborhood is linked to a drop in blood pressure, a new study finds.