Denise Gaskins has blogged about all the details. I'll be taking this class. Will you join us?
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I wrote a guest post for MathBabe, which is a modified (hopefully improved) version of my post last October on Proving the Pythagorean Theorem. The day after she posted it, the Wall Street Journal made it the headline piece for their Train Reading blog series. (I got almost double my usual traffic yesterday. Nothing like the spike I imagined.) What fun.