News

  1. Science & Society

    What we do and don’t know about how to prevent gun violence

    Background checks work to prevent gun violence; concealed carry and stand-your-ground laws don’t. But lack of data makes it hard to make other links.

    By Rachel Ehrenberg
  2. Health & Medicine

    Newer drugs make hepatitis C-positive kidneys safe for transplant

    People without hepatitis C did not contract the disease after receiving successful transplants of infected kidneys along with newer antiviral drugs.

    By Aimee Cunningham
  3. Earth

    Diamonds reveal sign of the deepest water known inside Earth

    A rare form of ice crystal in the gems could have formed only at the crushing pressures found in the mantle.