@CNN: Sorry, cat lovers, there’s scientific proof that dogs are smarter https://t.co/PzQWWjk2xV https://t.co/6SBpBBYtAe
Sorry, cat lovers, there's scientific proof that dogs are smarter https://t.co/PzQWWjk2xV http://pic.twitter.com/6SBpBBYtAe
— CNN (@CNN) December 5, 2017