Tag: gerbil

Why Pets Have Surprisingly Small Brains

This video was sponsored by 23andMe. Hi, this is Emily from MinuteEarth. Domestication has puppified dogs, fluffified sheep, and spotified horses – but there’s a less obvious physical change that virtually all domesticated animals share: shrunken brains. Duck brains have shrunk by about 15%, cat brains by 30%, and pig