The perils of graphing, from xkcd.

Erin at Critical Mass claims that tenure is untenable and has already been phased out without our even knowing it. Good discussion in the comments.

The New York state comptroller says that New York state college students could save $500 per year on textbooks by buying them online rather than in a campus bookstore. He gives a list of recommendations to universities to make this easier to do. Right on.

Possibly the most comprehensive and mathematically thorough analysis ever of how to curve grades.

The trouble with GTD.

An observation about the changing demographic of mathematics education researchers.

Finally, some number-theoretic trivia about the number 2009, just in time for the new year.

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Amazon is giving up to 30% off on new textbooks.

Troy Polamalu Game Winning Interception For A Touchdown AFC Championship (video) http://troy-polamalu.blogspot.com/