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The man who had some theories about relativity was also an eccentric who gleefully eschewed socks, dodged German military service and spurned social conventions. Read more »

Author's Note: 10 Performance-enhancing Drugs That Aren't Steroids

Once upon a time, when I considered trying out for high-school football, I tried to bulk up my scrawny, 100-pound frame by drinking a strange protein elixir poured from a can. The stuff was horrible, and I gave up. What's scary now is how many young athletes seem willing to take far more powerful drugs with little thought about the consequences.


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