07:32CrowdScienceDoes my toilet make sense?BBC World Service Duration: 40 minutes Mon 18th May 2020, 07:32 on BBC World Service West and Central AfricaAvailable for over a yearListen nowCrowdscience investigates whether the flush toilet needs innovation. Show more GenresFactualScience & NatureScience & TechnologyFormatsDiscussion & TalkBrandCrowdScience Source: BBC Online