Society

The aftershocks

What crash-test analyses reveal about the first hit to Sidney Crosby, helmets, the game of hockey—and why no one will think of concussions the same way ever again

CATHY GULLI,CHARLIE GILLIS February 28 2011
Society

The aftershocks

What crash-test analyses reveal about the first hit to Sidney Crosby, helmets, the game of hockey—and why no one will think of concussions the same way ever again

CATHY GULLI,CHARLIE GILLIS February 28 2011