Podcasts and Video

Pi Day
Medium Brow, discussion of π and other mathematical topics,  presenter George Lamb.

Sierpinski's Gasket
A talk about the famous fractal for the Prison Mathematics Project.

2001 Days Later
Panel discussion at the Arthur C Clarke Award

Terry Pratchett, Ian Stewart and Jack Cohen
Discussion at Conway Hall in connection with the publication of The Science of Discworld IV: Judgment Day

Science Gallery
Terry Pratchett, Jack Cohen, and Ian Stewart in Dublin, talking about The Science of Discworld IV: Judgment Day

Mathematics and Art
How M C Escher's etchings relate to mathematics. A short piece for BBC-4 in 2005

iTunes U

Ian Stewart's Maths Challenges
Six animated puzzles

Why Beauty is Truth
A Short History of Symmetry
seven audio podcasts on the history of symmetry and its impact on our understanding of the Universe

The Science of Discworld
What it's like to work with Terry Pratchett