Optimising Clojure (via @andrew_cooke) -- An account of the author's experiences in trying to optimize some clojure code. Some good tips on how to use profiling.
Welcome the newest Clojure/conj sponsor @github. They're helping us throw an awesome 11/11/11 party! Don't miss out. (via @clojure_conj) -- A party!? I don't go to any of them parties!
Clojure: Unfold and Anamorphisms (via @crxor) -- Unfold seems like a very useful higher-order function (you know you're in trouble when the wikipedia article has a note saying the "article may be too technical for most readers to understand"). This article describes the uses of it in Clojure, along with its implementation.