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Hannah Fry’s Hello World is Radio 4 Book of the Week

This week Radio 4 has chosen Hannah Fry’s new book Hello World as its Book of the Week. This means excerpts from the book are read out each day, and you can listen along on iPlayer Radio.

To find out what the book’s like, read this review by Colin Beveridge.

Open Season: Pancake Flipping

In this series of articles, I’m writing about mathematical questions we don’t know the answer to – which haven’t yet been proven or disproven. This edition is a topical one, for Pancake Day (Shrove Tuesday, celebrated in the UK this year on 9th February).

pancakesSome of the best mathematical teasers are those which originate in a real-world problem – although the problem for pure mathematicians is that that happens much less often than it does for applied mathematicians, who are presented with interesting real-world problems all the time. That’s why it’s especially nice when a more pure one pops up, and that’s exactly what happened to mathematician Jacob E Goodman, back in 1975.