NOVA · Season 7 · Episode 18

“A Touch of Sensitivity”

Aired Wednesday 10 December 1980

The exquisite sensitivity of tough cells in the human skin makes it possible for us to discriminate with precision the slightest changes in texture and pressure, but how the electrical impulses we receive are converted into sensation remains a mystery. NOVA explores the hidden meaning and extraordinary power of human touch.

S7 E18 discussion