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

57:46
May 21, 2025 - PBS News Hour full episode

57:46
May 20, 2025 - PBS News Hour full episode

57:46
May 19, 2025 - PBS News Hour full episode

26:45
May 18, 2025 - PBS News Weekend full episode

26:45
May 17, 2025 - PBS News Weekend full episode

57:46
May 16, 2025 - PBS News Hour full episode

57:46
May 15, 2025 - PBS News Hour full episode

57:46
May 14, 2025 - PBS News Hour full episode

57:46
May 13, 2025 - PBS News Hour full episode

57:46
May 12, 2025 - PBS News Hour full episode

26:44
May 11, 2025 - PBS News Weekend full episode

26:45
May 10, 2025 - PBS News Weekend full episode