Nova Season 2 Episode 2 – How Much Do You Smell?

Aired : Nov 10 1974 | 40 Views |

Watch Nova season 2 episode 2 online for free. 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.