<p>The mathematician Dr Hannah Fry is on a mission to improve the PR of maths. Hannah presents radio and TV shows on how maths runs the world, how data underpins everything we do, and on Boxing Day she’s giving the prestigious Royal Institution’s Christmas Lecture on the hidden secrets of maths.
Hannah has also written a book about the inner workings of algorithms, and she came into the Beyond Today studio to talk the power of maths and how algorithms can help us live better. 
  
Presenter:  Matthew Price
Producers:  Alicia Burrell and Philly Beaumont
Mixed by Nicolas Raufast
Editor:  John Shields</p>

Tory win: why are you surprised?

Beyond Today is the daily podcast from Radio 4 that asks one big question about one big story in the news - and beyond. Tina Daheley, Matthew Price, and a team of curious producers search for answers that change the way we see the world. They speak to the BBC’s unrivalled global network of reporters, plus occasional special guests, to tell stories about identity, technology, and power - where it lies and how that is changing.