Uncategorized

  1. Life

    Stem cell treatment spurs cartilage growth

    A small molecule called kartogenin prompts the manufacture of lost connective tissue in mice.

    By Nathan Seppa
  2. Paleontology

    T. rex has another fine, feathered cousin

    A trio of fossils from China may tip the scales on dinosaurs’ public image.

    By Rebecca Cheung
  3. Life

    Fruit fly biorhythms differ indoors and out

    Response to daily cues of real life suggest lab findings may need a second look.

    By Susan Milius
  4. Psychology

    Autism rates rise again

    Related developmental disorders affect 1.1 percent of U.S. 8-year-olds.

    By Bruce Bower
  5. Physics

    Highlights from the American Physical Society April Meeting, Atlanta

    String theory’s take on the Higgs, newborn pulsars may have iron by-products, and coupled neutrons in beryllium nuclei revealed.