Scientists believe that dogs may be twice as smart as cats

[ahlam1399]

http://static-global-s-msn-com.akamaized.net/img-resizer/tenant/amp/entityid/BBFYUKj.img?h=100&w=100&m=6&q=60&o=f&l=f&x=524&y=405Despite what every cat-loving friend has been telling you for years, a new study from Vanderbilt University suggests that dogs are the?

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