Uncategorized

  1. Astronomy

    Young, hot exoplanet takes title for longest year

    Newly discovered exoplanet sits a whopping 2,000 times farther from its star than Earth does from the sun.

    By Christopher Crockett
  2. Tech

    Lasers heal damaged rodent teeth

    Handheld laser spurs stem cells into action, regrowing dentin in drilled teeth.

    By Meghan Rosen
  3. Archaeology

    First pants worn by horse riders 3,000 years ago

    A new study indicates horse-riding Asians wove and wore wool trousers by around 3,000 years ago.

    By Bruce Bower
  4. Life

    Polio could return after near eradication

    Polio was considered eliminated in the United States by 1979, but since then vaccination rates have slipped, prompting concerns about reemergence.