NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
Season 2 · Episode 2 ·
How Much Do You Smell?
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.
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Episode 2 of season 2 of NOVA: “How Much Do You Smell?”. Aired 1974-11-10. Watch it online free on ZapFlix.