On cold, rainy winter nights Luke has found himself pondering a question - why on earth did humans end up coming to live in Europe? Why would we leave warmer climates and head north? So he set about finding the answer, and found some surprising factors - both as a result of evolutionary advances and total chance - played a big role, including the vast potentials opened up by the discovery of cheese. 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.