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Just train for 10,000 hours, right? Not quite. In his new book, author David Epstein argues that top-shelf athletic performance may be a more complicated formula than we鈥檝e recently come to believe.
Just train for 10,000 hours, right? Not quite. In his new book, author David Epstein argues that top-shelf athletic performance may be a more complicated formula than we鈥檝e recently come to believe.