Human Body: Pushing the Limits

Less than one twentieth of an inch below the surface of the skin are the antennae that allow us to sense the world around us. This vital layer is the gateway to the original information superhighway - the nervous system.

Sight is the king of the senses. More than 80% of what we know of the world comes through our eyes - without it we're lost. This program shows our vision system in living color from the inside out.