Apopo is a charity that trains African giant pouched rats for humanitarian purposes, with a view to combating some of the challenges faced by countries in the developing world. Originally, they trained these much shunned rodents to sniff out unexploded landmines left over from wars in countries like Mozambique. More recently, their keen sense of smell has also enabled trainers to develop them into excellent detectors of Tuberculosis carriers, so that patients can get diagnosed more quickly than before and receive treatment. Now, these Hero rats as they've been dubbed, are being prepared for a... Like this podcast? Please help us by supporting the Naked Scientists