Related Program: The Spark Let X = X. Oh! This is fun! By Martha Woodroof • Sep 27, 2012 Related Program: The Spark TweetShareGoogle+Email Math Professor Laura Taalman talks about the joy (really?) of higher mathematics and Sudoku. Brainfreeze Puzzles Note: The second audio file above is the full un-edited interview with Laura. TweetShareGoogle+EmailView the discussion thread.