Over the past week I've been asked via email and on message boards about about David Shenk's new book, The Genius in All of Us: Why Everything You've Been Told About Genetics, Talent, and IQ Is Wrong. Since I haven't read the book I can't really comment, but I did finally listen to Will Wilkinson's interview with Shenk on bloggingheads.tv. It seems to me that Will exhibited more clarity and precision in one sentence in relation to the term heritability than Shenk did in 10 minutes. It is true there are many people who don't understand that 80% heritable does not mean that a trait is "80%…
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