* Sean Carroll at Cosmic Variance
gives a wonderful explanation of how a quantum computer can find the answer to a calculation without doing any calculation. The explanation features a cute puppy and a quantum superposition of steak and salad.
* John Holbo at The Valve
has started an interesting discussion on the current state and the history of analytic philosophy.
* PZ Myers at Pharyngula
tells us all about the sex lifes of spiders. Graphic depictions included.
* Phil and Greta Munger at Cognitive Daily
tell of a fascinating experiment that implies that different people may react in different ways to violent stimuli (such as violence-full movies and videogames, an old matter of polemic). It seems people who are naturally agressive have their aggresive feelings increased by violent stimuli, while people who are naturally agreeable have an aggresive response even lower than normal after the same stimuli.
* Eszter at Crooked Timber
asks which are the strangest gender signs on toilet doors you have seen. If you have pictures, send them.
* Sigfpe at Neighberhood of Infinity
tells a surprising fact about the integrals of products of the sine cardinal function.
* Eugene Volokh at The Volokh Conspiracy
tells funny Gentile jokes (the opposite to Jewish jokes). Don't miss it if you're Jew or are familiar with Jewish humour.