David Shenk explains how Head Start, America's program for children of the working poor, has had made "'small to moderate' positive impacts on three- and four-year-old children" because of that fact that Head Start wasn't getting hold of kids early enough" (45). Relate Shenk's argument to imprinting, considering sensitive periods, in terms of humans, yet validate Shenk's belief that "every human being can grow smarter if the environment demand it",regardless of age(44). Bobbie Damani (vidhbie23@yahoo.com)