Protein-sequencing method could lead to other discoveries
                                
                                
                                    (Newser) -
                                    A humpless, snouted camel? Check. A rhino with the teeth of a rodent and head of a hippo? No problem, scientists say, after apparently figuring out, finally, where these mystery creatures sit on the mammalian family tree,  Nature  reports. Charles Darwin discovered fossils of these ancient creatures while visiting South...