When did Horizon Season 9 Episode 3 air?
Horizon Season 9 Episode 3 aired on January 17, 1972.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 9 · Episode 3
How Much Do You Smell?
Jan 17, 1972·1h
Why do humans have such a poor sense of smell as compared to animals? Horizon investigates why.
Episode FAQ
Direct answers for episode-level questions and details.
How long is Horizon Season 9 Episode 3?
This episode runs for approximately 60 minutes.
Comments
Comments coming soon
Discuss episodes with other viewers