News

  1. Earth

    Kansas was unbearably hot 270 million years ago

    Temperatures soared to nearly 74 degrees Celsius, which no plants or animals could endure.

    By Erin Wayman
  2. Health & Medicine

    Hepatitis C drug goes after patients’ RNA

    An experimental medicine that targets a type of RNA in the liver leads to reduced virus levels in patients.

    By Nathan Seppa
  3. Life

    Blind cave-dwelling fish also hard of hearing

    Two species that live in the dark have worse hearing than do their surface-living cousins.

    By Puneet Kollipara
  4. Life

    Gut microbes may be behind weight loss after gastric bypass

    Mice slim down after receiving bacteria transplanted from rodents that had the surgery.