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Top Ten: puzzles
The undisputed top ten puzzles this season
Dear Dirichlet, Issue 18
Phone assistants, duplicating pastries, and being a 10 anywhere else are among the topics of discussion in this issue's Dear Dirichlet advice column
Dear Dirichlet, Issue 17
Canines, Cliff Richard and conditioning find their way into the prof's postbox this issue.
Biography of Sophie Bryant
A biography of Sophie Bryant
Binary magic card trick
Behind today's door... A binary magic card trick!
How to make: Platonic solids from tube maps
Impress your friends! As presented in our Talkdust show.
