(12-17) 21:46 PST JAKARTA, Indonesia (AP) -- Researchers in a remote Indonesian jungle have discovered a giant rat that is about five times the size of a typical city rat and a tiny possum, scientists said Monday. Unearthing new species of mammals in the 21st century is considered very rare. The discoveries by a team of American and Indonesian scientists are being studied further to confirm their status. The animals were found in the Foja mountains rainforest in eastern Papua province in a June expedition, said U.S.-based Conservation International, which organized the trip in the Southeast Asian nation along with...