I find using the term "self-segregation" a little problematic. It implies that minorities seek out minority friends at the expense of the white, heterosexual majority. I'm going to attack this idea on ...

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Movies from our recent paper entitled “Spontaneous Segregation of Self-Propelled Particles with Different Motilities” by Samuel R. McCandlish, Aparna Baskaran and Michael F. Hagan, arXiv:1110.2479.