WIRED ScienceIt started with a thumb into my eye socket as he tried to gouge out my eye. When he bit into my ear, the adrenaline flooding my veins masked the pain; I would not even realize my ear was gone till after the fight. Twenty years ago, in that dimly lit alley in Kent, Washington, as I walked into a ring of teenage onlookers to face off, my heart was pounding so hard my chest hurt. My vision narrowed—I could only see faces—and I felt sick in my gut.
