News

  1. Climate

    Tiny microplastics travel far on the wind

    Airborne bits of plastic that originated in cities ended up in pristine mountains at least 95 kilometers away, a study finds.

    By Carolyn Gramling
  2. Science & Society

    Why some low-income neighborhoods are better than others

    Levels of violence, incarceration and lead exposure in a neighborhood can predict a low-income child’s future earnings and outcome, a study suggests.

    By Sujata Gupta
  3. Health & Medicine

    NASA’s Twins Study reveals effects of space on Scott Kelly’s health

    Ten research groups studying the twin astronauts found long-term spaceflight can alter a person’s physiology and gene activity.

    By Jeremy Rehm
  4. Health & Medicine

    Ketamine cultivates new nerve cell connections in mice

    In mice, ketamine prods nerve cells to connect, which may explain the hallucinogenic drug’s ability to ease depression.