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The most destructive Japanese earthquake since that in Tokyo in 1923 will have implications far outside Japan as attention there turns to the search for safety in a seismically hazardous place.
Conventional wisdom holds that the proper next step for an effective climate treaty is to negotiate binding targets and timetables for greenhouse gases. But this is not the best approach.
A strictly symmetrical (if somewhat artificial) dynamical system has been shown to be capable of spontaneous transition between states in which its behaviour is far from symmetrical.
The Mammalian Comparative Database provides genetic maps of mammalian species. Comparative maps are valuable aids for predicting linkages, developing animal models and studying genome organization and evolution.
