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](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/07/071422_ls_dog-brain-smell_feat.jpg?fit=1030%2C580&ssl=1)
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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