Uncategorized

  1. Animals

    Year in review: Insect, bird evolution revisited

    Insects got an entirely new family tree after an extensive genetic analysis rearranged the creatures' relations.

    By Susan Milius
  2. Genetics

    Year in review: Easy stem cells a no go

    An incredibly easy method for making stem cells turned out to be impossible, again tainting the stem cell research field with controversy.

    By Tina Hesman Saey
  3. Life

    Images reveal secrets of zinc sparks

    These sparks are created when billions of zinc atoms shoot from thousands of small pouches nestled just beneath the surface of a mouse egg cell.

    By Ashley Yeager
  4. Planetary Science

    Solar wind probably leaches Mars’ lower atmosphere

    Initial results from NASA's MAVEN probe may help explain how Mars has lost its atmosphere: The solar wind penetrates the Red Planet’s atmosphere and fuels escaping gas.