TV Horizon - Season 58 Episode 2 : The Secret Science of Sewage Horizon - Season 58 Episode 2 : The Secret Science of Sewage 7.516/10 by 32 users Dr George McGavin and Dr Zoe Laughlin set up base camp at one of the UK's biggest sewage works to investigate the revolutionary science finding vital renewable resources and undiscovered life in human waste. Teaming up with world-class scientists, they search for biological entities in sewage with potentially lifesaving medical properties, find out how pee can generate electricity, how gas from poo can fuel a car and how nutrients in waste can help solve the soil crisis. They follow each stage of the sewage treatment process, revealing what the stuff we flush can tell us about how we live today, and the mindboggling biotechnology being harnessed to clean it, making the wastewater safe enough to return to the environment. Details Casts Posters Images Title Horizon - Season 58 Episode 2 : The Secret Science of Sewage Alternative Titles BBC Horizon First Air Date 1964-02-04 Last Air Date 2024-07-22 Number of Episodes 1169 Number of Seasons 60 Genres Documentary, Networks BBC Two, Casts Plot Keywords , Episodes List Horizon Season 58 :Episode 1 Feast to Save the Planet Feast to Save the Planet 2021-01-04 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 58 :Episode 2 The Secret Science of Sewage The Secret Science of Sewage 2021-03-18 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 58 :Episode 3 Dolly: The Sheep That Changed the World Dolly: The Sheep That Changed the World 2021-11-23 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Horizon Season 58 :Episode 4 The Vaccine The Vaccine 2021-07-08 Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.