Some Surprising Dog Breeds Have Ancient American Heritage A new study of 161 breeds traces some ancestry back to the Americas of 10,000 years ago. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:‘Humanity has PEAKED’ Scientists make shock claim ‘human abilities may DECREASE over time’Fossilised remains of lion extinct for 19 MILLION years found in Australian outbackTrump Pick to Head Consumer Safety Board Is Seen as Too Close to IndustriesAlzheimer’s sufferers to more than DOUBLE in USA by 2060 - with 47 million already at riskBirth Control Pills Still Linked to Breast Cancer, Study FindsBeing a Doctor Is Hard. It’s Harder for Women.