News

  1. Chemistry

    Heat spurs growth of tiny carbon trees

    Microscopic carbon forests can grow on a graphite surface without the help of catalysts.

    By Corinna Wu
  2. Health & Medicine

    Coagulation factor XI boosts clot risk

    People who have had a major blood clot in a vein are roughly twice as likely to harbor high concentrations of blood coagulation factor XI as people who haven't.

    By Nathan Seppa
  3. Health & Medicine

    Myopia link to night lights doubted

    Two studies cast doubt on the apparent link between night lights in a baby's nursery and an increased risk of being nearsighted later in childhood.

    By Nathan Seppa
  4. Astronomy

    X-ray telescope vanishes

    Astro-E, a Japanese X-ray observatory, fell back to Earth and burned up just after launch on Feb.