Wrapping up a great week of #mathinthemountains. Huge thanks to Paul Zeitz, @AChung, @JamesTanton, and all the amazing instructors! Hope to be back next summer! mathmountains.org

Check out the winning performance for the Steven Strogatz Prize in Math Communication, high schooler Zoë Nadal with her ‘Zero’s Lament’ youtu.be/J88mTS84swM

I’ve stopped posting, but if you enjoyed anything I ever did here, you need to ask someone to buy this book for you this holiday season. Walter Hickey has written the definitive book for all pop culture math nerds everywhere.

Happy Days premiered 50 years ago this month. Shifted to today, the same show would be portraying the long-lost days of 2005.