Psychologists studied 5,000 genius kids for 45 years — here are their 6 key takeaways

Follow thousands of superbright kids for four and a half decades, and you learn a thing or two about how to raise a high-achiever. One of the biggest takeaways: Even kids with genius-level IQs need teachers to help them reach their full potential. Since it began in 1971, the "Study of Mathematically …