It's worried about overcrowding during tuberculosis quarantine
                                
                                
                                    (Newser) -
                                    Thanks, in all likelihood, to a tuberculosis-infected badger, a zoo in England has had to put 60 mammal species on birth control via injections, implants, tablets, and IUDs, the  BBC  reports. And, yes, that includes lions and tigers, according to the  Times . The large cats must be knocked out with...