20:32CrowdScienceHow Can We Fight Unwanted Noise?BBC World Service Duration: 37 minutes Fri 27th Oct 2017, 20:32 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowCan science and engineering tackle annoying, ear-damaging sounds? Show more GenresFactualScience & NatureFormatsDiscussion & TalkBrandCrowdScience Source: BBC Online