Science of Small - Episode 21

Disease Detectors: Scientists have developed nanoscale biosensors that can help detect diseases on farms and in hospitals. (4:04) (text version)

Other Science of Small Segments

	New Skin Scientists in Illinois are using corn protein to create new skin and deliver medicine through nanotubes. (5:41)
	Following the Flow Researchers are discovering how nano-scale tracers can uncover the sources of pollution in America's farm fields and waters. (5:58)
	Super Cloth Using nanotechnology, Cornell scientists created a fabric that can detect biohazards like E. coli and other pathogens.(5:39)