The visual acuity of our canine companions is about 20-40% as good as ours. But the average dog's nose is 10,000 times more sensitive to odors than the human nose. As this fascinating TED-Ed video shows, they don't so much see the world as they smell it.
By specially training dogs to lie motionless in an fMRI scanner, neuroscientists have finally taken a look inside the mind of our favorite companion animal. And to no dog lover’s surprise, they exhibit a level of awareness that will force us to reconsider the ways in which they’re treated.