News

  1. Health & Medicine

    U.S. FDA may nix black box warning on some menopause estrogen treatments

    Experts worry the warning on vaginal estrogen menopause treatments is doing more harm than good and is not supported by science.

    By Tina Hesman Saey and Sofia Caetano Avritzer
  2. Humans

    A child’s biological sex may not always be a random 50-50 chance

    Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.

    By Jake Buehler
  3. Climate

    What to know about the extreme U.S. flooding — and ways to stay safe

    An oceanographer explains how climate change, warming oceans and a souped-up atmosphere are creating conditions for deadly floods.