Fish and Wildlife Service thinks it's the only way to rid the Farallon Islands of mice
                                
                                
                                    (Newser) -
                                    The only humans who occupy the South Farallon Islands off San Francisco are scientists. But the land is otherwise well-populated: In addition to sea lions, seals, and salamanders, it's home to the biggest seabird breeding colony in the Lower 48. But there's also house mice—up to 60,...