News

  1. 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
  2. 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.

    By Carolyn Gramling
  3. Animals

    Some penguins save energy by riding ocean currents

    When navigating home, Magellanic penguins alternate between heading straight back in calm waters and swimming with the flow in strong ocean currents.