News

  1. Health & Medicine

    Boldly into the breech controversy

    Addressing a long-simmering controversy, a large new study has shown that in pregnancies where the baby has positioned itself to emerge feet or buttocks first, the delivery safest for the mother and child is a planned cesarean section rather than a vaginal birth.

    By Damaris Christensen
  2. Health & Medicine

    Cancer cells on the move

    A new study suggests how a gene recently linked to liver, skin, and pancreatic cancer also causes an often-deadly form of breast cancer.

    By Damaris Christensen
  3. Earth

    Problems with eradicating polio

    The oral vaccine's live but attenuated virus may in rare cases revert to the disease-causing form, which can then turn up in natural waters even in regions now certified free of the wild-type virus.