News

  1. Chemistry

    How RNA got started

    Scientists identify chemical reactions that could be responsible for the origin of life.

    By Solmaz Barazesh
  2. Chemistry

    Nonstick chemical pollutes water at notable levels

    Residues of nonstick chemicals — from unknown sources — appear to be approaching concentrations associated with adverse effects in laboratory animals.

    By Janet Raloff
  3. Health & Medicine

    Toothpicks match needles for acupuncture

    Sham acupuncture works as well as the real thing for back pain, a study shows.

    By Nathan Seppa
  4. Humans

    Intel International Science and Engineering Fair kicks off

    Young scientists descend on Reno in hopes of winning scholarships and other prizes.