Among certain parents, it is an article of faith not only that they should treat their sons and daughters alike, but also that they do. If Jack gets Lincoln Logs and Tetris, and joins the soccer team and the math club, so does Jill. Lise Eliot, a neuroscientist at Rosalind Franklin University of Medicine and Science, doesn't think these parents are lying, exactly. But she would like to bring some studies to their attention.
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