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  1. Life

    Four marmosets are first transgenic primates

    Scientists in Japan have successfully introduced a foreign gene into a primate species for the first time, opening a new avenue for modeling human diseases, particularly brain disorders.

    By Tina Hesman Saey
  2. Chemistry

    Not your grandpa’s smoke signals

    A fuse dotted with chemicals offers a new way to code messages.

    By Laura Sanders
  3. Space

    Evidence mounts for liquid interior of a Saturn moon

    Plumes of Enceladus offer hints that moon is now or was in the recent past partially liquid inside.

    By Ron Cowen
  4. Health & Medicine

    NFL heart profile good, with a caveat

    Football players have higher blood pressure on average, new study finds.