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

Aired: 6/21/2016 | 0:04:16 | Clip
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.