"From injuries caused by lead poisoning to the devastating effects of atmospheric pollution, infectious disease, and industrial waste, Americans of color are harmed by environmental hazards in staggeringly disproportionate numbers. This systemic onslaught of toxic exposure and institutional negligence causes irreparable physical harm to millions of people across the country--cutting lives tragically short and needlessly burdening our health care system. But these deadly environments create another insidious and often overlooked consequence: they rob communities of color, and America as a whole, of intellectual power. The 1994 publication of The Bell Curve and its controversial thesis catapulted the topic of genetic racial differences in IQ to the forefront of a renewed and heated debate. Now, in A Terrible Thing to Waste, award-winning science writer Harriet A. Washington adds her incisive analysis to the fray, arguing that IQ is a biased and flawed metric, but that it is useful for tr