Adam talks to Richard Stead, a chemist and scientist that is creating a pioneering approach to deal with the problem of what to do when our antibiotics stop working. The head of the World Health Organisation has said that antibiotic resistance is one of the major threats to the world, and warns of an antibiotic apocalypse. Despite these grave concerns, big Pharma companies are not developing alternatives. Richard discusses why this is the case, and how it is an opportunity for both savvy and ethical investors.