Skip to main content
Back to Show
PBS News Hour

Smelling doesn’t just perceive a scent -- it changes it

Scientists are discovering more about normal human biology every day. Case in point: the sense of smell, which everyone utilizes constantly, but few understand in depth. Science producer Nsikan Akpan takes a look at how smells work, how they move and how every sniff we take changes the odor itself.

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Season
May 21, 2025 - PBS News Hour full episode
57:46
May 21, 2025 - PBS News Hour full episode
May 20, 2025 - PBS News Hour full episode
57:46
May 20, 2025 - PBS News Hour full episode
May 19, 2025 - PBS News Hour full episode
57:46
May 19, 2025 - PBS News Hour full episode
May 18, 2025 - PBS News Weekend full episode
26:45
May 18, 2025 - PBS News Weekend full episode
May 17, 2025 - PBS News Weekend full episode
26:45
May 17, 2025 - PBS News Weekend full episode
May 16, 2025 - PBS News Hour full episode
57:46
May 16, 2025 - PBS News Hour full episode
May 15, 2025 - PBS News Hour full episode
57:46
May 15, 2025 - PBS News Hour full episode
May 14, 2025 - PBS News Hour full episode
57:46
May 14, 2025 - PBS News Hour full episode
May 13, 2025 - PBS News Hour full episode
57:46
May 13, 2025 - PBS News Hour full episode
May 12, 2025 - PBS News Hour full episode
57:46
May 12, 2025 - PBS News Hour full episode
May 11, 2025 - PBS News Weekend full episode
26:44
May 11, 2025 - PBS News Weekend full episode
May 10, 2025 - PBS News Weekend full episode
26:45
May 10, 2025 - PBS News Weekend full episode
Active loading indicator