On an industrial park next to Liverpool's John Lennon airport, drugs companies are involved in research that is driving a new frenzy of multibillion-dollar takeover deals. The focus on this Merseyside site is on creating what could be the next big thing for the sector: biological medicines, derived from living organisms.
Image: Staff at work for the biological drug company Actavis at its site in Speke, Liverpool. Photograph: Jon Super for the Observer
