The connection between Superman and Kryptonite is so firmly established in American culture that “Kryptonite” has become shorthand for everything from the idea that even the strongest have weaknesses to the concept of something, or someone, being toxic or harmful. Yet, Kryptonite is not just the glowing green rock that Superman avoids at all costs; … Continue reading Every Color of Kryptonite (And What It Does to Superman) Ranked