So it turns out that, contrary to what your SAT scores told you, we can actually get smarter day by day--depending on what we do with our days. As Annie Murphy Paul reports, intelligence isn't set in stone--it's fluid.
This fluidity comes from all sorts of things: the way we think about ourselves, the expertise we develop, the people we surround ourselves with. In short, the way we live our lives shapes our minds, in some seriously mysterious ways.
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