News

  1. Life

    How helpful gut microbes send signals that they are friends, not foes

    Some beneficial gut bacteria use unique form of communication to let immune cells know that they’re friendly.

    By Jeremy Rehm
  2. Genetics

    A CRISPR spin-off causes unintended typos in DNA

    One type of CRISPR gene editor makes frequent and widespread mistakes, studies in mice and rice reveal.

    By Tina Hesman Saey
  3. Health & Medicine

    A second HIV patient has gone into remission after a stem cell transplant

    A second person with HIV has gone into remission after receiving blood stem cells from a donor unable to make a protein needed by the virus.

    By Aimee Cunningham
  4. Health & Medicine

    Ripples race in the brain as memories are recalled

    A fast brain wave called a ripple often came before a person’s correct answer on a memory test.