We tackle a dilemma from a listener whose mother-in-law doesn't seem to be bothered about getting her baby sick. And how does a public school maths teacher end up with 20 million views on YouTube? We speak to maths superstar Eddie Woo to find out.

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Your hosts are Holly Wainwright and Andrew Daddo

Thanks to special guest Eddie Woo. Buy his new book, Woo's Wonderful World Of Maths.

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This episode was produced by Luca Lavigne

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