Uncategorized

  1. Planetary Science

    Sister Planet: Mission to Venus reveals watery past

    The Venus Express probe has found evidence that Venus once had more water than it does today, and has provided new measurements of the weather on Venus, proof of lightning on the planet, and signs of a formerly unknown hot spot near its south pole.

    By Sarah Williams
  2. Archaeology

    Rolling Back the Years

    Scientists are refining carbon dating techniques to make the archaeological timeline more precise.

    By Carolyn Barry
  3. Health & Medicine

    Dengue virus found in donated blood

    Scientists have discovered that 12 units of blood donated in Puerto Rico in late 2005 contained the dengue virus.

    By Nathan Seppa
  4. Health & Medicine

    Sleeping sickness pill may work as well as injections

    The first oral drug for sleeping sickness is showing effectiveness in a trial in central Africa.