Nanotechnology is already benefitting areas such as health care, the environment, energy and national security. Precision targeting of cancer cells deep within the body; removing pollutants from groundwater and soil; enhancing performance of solar panels; improving detection of chemical and biological weapons; and preventing infections in wounds are just a few of the ways nanotechnology is enhancing our world. Scientists and businesses are exploring new ways nanotechnology can help solve societal problems and improve products.