Lectures presented to the Biological, Chemical and Physical Science Department.IIT's Department of Biological, Chemical, and Physical Sciences (BCPS) in the College of Science and Letters offers traditional undergraduate and graduate majors in biology, chemistry and physics, and an array of exciting interdisciplinary and research opportunities.Graduates are researchers working at the forefront of scientific inquiry, academics teaching at major institutions worldwide and leaders in industry, medicine and public service. Their IIT degrees ensure that they are uniquely qualified for a world that increasingly demands flexibility, creativity and cross-disciplinary knowledge and skills.