Inside the extraordinary nose of a search-and-rescue dog

Why can a dog catch a scent from a mile away while humans track smells closer to home?
On the second episode of ScienceScope, we dive into the smell behaviors that unite and divide animals with Lucia Jacobs, a neuroscientist at the University of California Berkeley.
Creators:
Nsikan Akpan
Matt Ehrichs
Producers:
Jenny Marder
Patti Parson
Richard Coolidge
Travis Daub
Vanessa Dennis
Videographer:
Roddy Blelloch
Graphics:
Megan Crigger
Adam Sarraf
Special Thanks to
Priscilla Shanks
Music:
Sweet Water by David Szesztay (FMA)
Gods Among Men by Prox-C (FMA)
Fog Lights by VYVCH (FMA)
Pluck and Bounce by Adam Selzer
Humming by David Szesztay (FMA)
Additional video: Getty Images