Deep Look

How Your Dog's Nose Knows So Much

Season 5 Episode 17 | 3m 34s Video has closed captioning.

Dogs have a famously great sense of smell, but what makes their noses so much more powerful than ours? They're packing some sophisticated equipment inside that squishy schnozz.

Aired: 02/27/19

Rating: NR

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Problems Playing Video? | Closed Captioning