• Professional writers, for whom concentration is critical, are often derailed by the double-edged sword of the Internet: they use it to find material, but they often go off on search sidetracks that interrupt their creative process.

    FORBES: Rx: CrackBerry Addiction

  • There will be a self-ignition of the UDMH and if it does not all burn up, it will be so dispersed there will not be a critical concentration.

    BBC: Video tracks stricken Mars probe

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