Future Bright

Ever since Alfred Binet invented the first IQ test more than a century ago, we have thought of intelligence as fixed from birth and unalterable-as genetically programmed and immutable as eye color. If our IQ was 115 at the age of eighteen, it would be 115 at age thirty-two and at age seventy-two. But as Michael Martinez reveals in Future Bright, human intelligence is not at all a static quality. D...