How Much Do You Smell? Nova : Season 2 Episode 2
TV-PG PBS 1h 00m
Aired: November 10th, 1974 @ 9:00 PM EST on PBS
Many insects and some mammals use smell as a primary means of communication. NOVA explains how, for example, the entire economy of an ant's nest is organized by smell, and how some moths use smell for population control—an ability we is now beginning to understand.
