Over the last 20 years, medical research has moved further away from unnecessary animal testing, but some experiments just can't be done without it. What are the life-changing treatments that depend on animal research? And what does the political landscape look like, both in the UK and abroad? Join scientist and broadcaster Adam Rutherford and cancer researcher Fran Balkwill to learn how animal research is boosting animal welfare, increasing alternatives to animal use and creating tougher regulations on animal testing while still making medical breakthroughs.