Mummified remains of female dog from Rio Muerto, Peru GAINESVILLE, FLORIDA—Phys.org reports that Susan deFrance of the University of Florida and her colleagues analyzed the remains of two dogs whose burials were excavated in southern Peru's Moquegua Valley. The remains of the dogs, buried some 1,100 years ago by people of the Tiwanaku culture, were naturally mummified. The first dog, a female with brown and white fur, was less than one year old …