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  1. Materials Science

    Lithium Sees the Light: Images of tiny ion may help battery designers

    An electron microscope has captured images of tiny lithium ions for the first time.

    By Jessica Gorman
  2. Animals

    Snake Pits: Viper heat sensors locate cool spots

    Scientists who glued aluminum foil and plastic balls to live rattlesnakes say that snakes use their heat-sensing organs for more than hunting prey.

    By Susan Milius
  3. Astronomy

    Stellar Top: Astronomers find a squashed star

    Astronomers have found a rapidly spinning, squashed star that is more than 1.5 times as wide as it is tall.

    By Ron Cowen
  4. Physics

    Hot Mama: Has matter’s mother paid a call?

    Physicists have found new signs that fiery particle collisions within a giant accelerator 2 years ago created a state of matter identical to what might have been the stuff of the newborn universe.