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    • head injury

    The chemical component of violent crime

    Colby Cosh on how getting the lead out helped reduce violent crime

    Reporter Cathy Gulli on Sidney Crosby’s concussion

    What scientists are learning by reconstructing hits to the head

    Hit to the head: a similar one to Sidney Crosby’s (reconstruction)

    Scientists at the University of Ottawa replicate the speed, angle and location of impact

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    Off-key in the NHL headshot chorus

    A memo to those who are concerned with (hitherto) legal checks to the head in the NHL: I sure hope you’re not just fighting physics. Because you’ll lose.