This week it’s all about celebrating grandmothers. Luke explores the science that explains how grandmothers are the secret to humanity’s success, and why genetics may be at play in a grandmother's care for her grandchildren. 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.