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  1. Tech

    Flashy Transistors: Electronic workhorses also shed light

    Researchers have discovered that the transistor can emit light, a yet-untapped talent.

    By Peter Weiss

  2. Neural Road to Repression: Brain may block out undesired memories

    Specific brain structures work together to allow people to repress certain memories intentionally.

    By Bruce Bower
  3. Chemistry

    Moonlighting: Reflective protein causes squid to shimmer

    Squid can manipulate light in amazing ways to camouflage themselves at night, and researchers have unveiled a bizarre set of reflective proteins in the animals' tissues that underlie this trait.

    By Alexandra Goho

  4. 19369

    Your article gives American beef eaters a false sense of security. Yes, only 1 cow out of the 20,000 tested has been discovered to have bovine spongiform encephalopathy (BSE).