How do dogs "see" with their noses? - Alexandra Horowitz
View full lesson: http://ed.ted.com/lessons/how-do-dogs-see-with-their-noses-alexandra-horowitz You may have heard the expression that dogs 'see with their noses.' But these creature's...
========== "Hi, Bob." "Morning, Kelly. The tulips looks great." Have you ever wondered
how your dog experiences the world? Here's what she sees. Not terribly interesting. But what she smells,
that's a totally different story. And it begins at her wonderfully
developed nose. As your dog catches
the first hints of fresh air, her nose's moist, spongy outside helps
capture any scents the breeze carries. The ability to smell
separately with each nostril, smelling in stereo, helps to determine the direction
of the smell's source so that within the first
few moments of sniffing, the dog starts to become aware of not
just what kind of things are out there but also where they're located. As air enters the nose, a small fold of tiss...