Hearing
This program deconstructs the emotional effects evoked by music and other sounds. Experiments by Dr. Mark Blagrove at the Sleep Laboratory in Swansea show that our sense of hearing is constantly alert, even while asleep, and Dr. Sarah Collins, from ...
Balance
This program focuses on the components of our sense of balance. Stunt coordinator Marc Cass demonstrates how the balance organs inform us of how we are moving. At the Circus School, in San Francisco, a troupe of acrobats illustrates how eyes control...
Smell
This program investigates how psychological principles determine a smell's level of repellence. After testing natural smells found to be offensive to most people, scientists at Monell Chemical Services Center and the University of California propose...
Vision
This program argues that the human visual system is skillful at some things, but that we miss an amazing amount of what is going on right in front of our eyes. Whether spotting attractive people in a crowd, gauging depth and distance, or even predic...
Touch
Why are humans so responsive to touch? This program calculates the different sensitivities of the body's most receptive parts. The density of touch sensors in the skin explains why some parts of the body seem to have a much lower pain threshold-a mi...
Taste
This program explores the biological reasons why humans have the most amazing sense of taste on the planet. Persuading a family raised on Chinese food to try ripe Stilton cheese and a group of gourmet cheese lovers to try a Chinese delicacy of ferme...