News

  1. Climate

    Extreme heat is cutting the time people can safely be active outdoors

    Heat and humidity now severely limit light physical activity for millions of people around the world, with older adults facing the greatest burden.

    By Nikk Ogasa
  2. Neuroscience

    Yaks may hint at a way to treat brain diseases like MS

    A genetic mutation tied to keeping the brain healthy at high altitudes may point to a way to repair nerve damage, experiments in mice show.

    By Simon Makin
  3. Health & Medicine

    A newfound blood biomarker may one day predict longevity

    Levels of six RNA molecules in the blood ID’d older adults likely to survive two more years.