Human meddling has manipulated the shapes of different dog breeds’ brains
Distinct shapes of pooches’ brain regions aren’t solely due to the animals’ size or head shape
![dogs](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/08/083019_ls_dog-brains_feat_free.jpg?fit=1028%2C579&ssl=1)
Scans from 33 dog breeds revealed variation in brain regions involved in scent hunting, guarding and companionship.
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