Whether deep in our oceans, stretching across our deserts, or even lurking in suburban neighbourhoods, there remain mysterious sounds even science cannot yet explain. This week Luke explores some of the noises that continue to leave even the experts baffled, as well as some of the loudest noises ever produced by humans, machine or the natural world. Listen and subscribe to Show Me the Science on Apple Podcasts ,Google Podcasts and Spotify. Download, listen and subscribe on the Newstalk App. You can also listen to Newstalk live on newstalk.com or on Alexa, by adding the Newstalk skill and asking: 'Alexa, play Newstalk'.

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“What did the council decide on item 42?” — answered with the speaker and the moment.