Uncategorized

  1. Astronomy

    Mysterious cosmic signals carry a clue to their origins

    A burst of radio waves from another galaxy ran into a dense magnetized plasma while en route to Earth, hinting at an origin near a population of young stars.

    By Christopher Crockett
  2. Genetics

    Gene drives spread their wings

    Gene drives may wipe out malaria and take down invasive species. But they may be difficult to control.

    By Tina Hesman Saey
  3. Genetics

    Can DNA predict a face?

    DNA-based facial sketches are moving into the crime-solving arena. With current science, predictions of some features are better than others.

    By Meghan Rosen
  4. Health & Medicine

    Taking antiviral drug ‘on demand’ can guard against HIV

    The antiviral drug Truvada taken before and after sex cuts HIV transmission rates.