links for 2008-05-09

Look at those planets and moons go!

“The centre of the vortex is usually circular, but occasionally it assumes a triangular or even a square shape. Now researchers in Canada claim to have replicated this behaviour for the first time in the laboratory — using nothing more than water in a c

“How well has classical probability theory been tested?”

“There are lots of ways to measure status: money, education, birth, occupation, manners, formal rank, popularity, accomplishments, awards, accolades, appearance.”

“[D]ifferent classes play by different rules, and a good deal of class conflict, and interpersonal conflict, results from this. Members of one class will look at another and brand them either losers or cheats.”