Dogs are great sniffers. A newfound nose-to-brain connection helps explain why

Information highways connect smell and vision in a way that hadn’t been described before

photo of a beagle sniffing sand on a beach

Get a whiff of this: Dogs’ olfactory systems are vaster than we knew, a new brain scanning study of pooches shows.

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A dog’s brain is wired for smell. Now, a new map shows just how extensive that wiring is.