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In this month's festive WBU, Colin and Dave discuss...

- Bill's second birthday and train set
- Colin's latest book is due out any day.
- First number of the podcast: 998 (days since our first recording)
- Colin gloats about Spoof My Proof and Dave chews on sour grapes
- Second number of the podcast: 2124 (number of downloads in 2015 at time of recording)
- The Maths Police re-investigate Sheffield University Mathematical Society's naffematical Christmas tree formulas. Alistair Bird investigated this for the Aperiodical in 2012.
- Dave's comedy career takes another disastrous nose-dive
- Colin comes up with his picks of the year, including the worst graph of the year.
- Dave finds a fractal Christmas card
- Gold star for Nathan Day for his solution to the partitions problem, which is $\left \lfloor \frac{n^2 + 6}{12}\right \rfloor$
- This month's puzzle: if the Earth was the size of a football, how far away from it would the International Space Station be?

Talk to you all next year, loyal listeners!

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