The world is complex, but acknowledging its complexity requires an appreciation for the many roles context plays in shaping natural phenomena. In "Unsimple Truths, "Sandra Mitchell argues that the long-standing scientific and philosophical deference to reductive explanations founded on simple universal laws, linear causal models, and predict-and-act strategies fails to accommodate the kinds of knowledge that many contemporary sciences are providing about the world. She advocates, instead, for a new understanding that represents the rich, variegated, interdependent fabric of many levels and...