For years, scientists have noted that, in many fields, the most electrifying work comes earlier in life rather than later. Now, a big-data analysis finds a host of factors that have nothing to do with age or early stardom. It is, they suggest, a combination of personality, persistence and pure luck, as well as intelligence, that leads to high-impact success — at any age. It was entirely because of productivity: scientists were as likely to score a hit at age 50 as at age 25.
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