Depth over breadth and the ability to leap across disciplines are exactly what teachers aim for at the Henry Ford Academy, a public charter school in Dearborn, Mich. This fall, 10th-graders in Charles Dershimer's science class began a project that combines concepts from earth science, chemistry, business and design. After reading about Nike's efforts to develop a more environmentally friendly sneaker, students had to choose a consumer product, analyze and explain its environmental impact and then develop a plan for re-engineering it to reduce pollution costs without sacrificing its commercial appea