■ Abstract Sociologists have turned to collective identity to fill gaps in resource mobilization and political process accounts of the emergence, trajectories, and impacts of social movements. Collective identity has been treated as an alternative to structurally given interests in accounting for the claims on behalf of which people mobilize, an alternative to selective incentives in understand...

Organizations are very important in social movements, but they are not the whole story. Social movements are exceedingly complex phenomena encompassing the actions of organizations and their members, the actions of nonmembers in activities planned by organizations, and the actions of nonmembers in activities that organizations have nothing to do with, and may even oppose. Crowds and diffuse col...

Movements develop in coevolution with regimes and other actors in their environments. Movement trajectories evolve through stochastic processes and are constrained, but not determined, by structures. Coevolution provides a theoretical structure for organizing existing understandings of social movements and sharpening future research. Stochastic thinking is essential for recognizing the both the...

African trypanosomes are devastating human and animal pathogens that cause significant human mortality and limit economic development in sub-Saharan Africa. Studies of trypanosome biology generally consider these protozoan parasites as individual cells in suspension cultures or in animal models of infection. Here we report that the procyclic form of the African trypanosome Trypanosoma brucei en...

security building processes after world war ii, were under the influence of realistic thoughts. this was considered a reaction to idealistic and institutional approaches. critical school attempted to criticize classical and structural realism. new security theoreticians emphasize on extended subjects and diverse threats and believe it to be beyond the competition of countries. they believe that...

Through intellectual and doctrinal foundations of the Muslim world that Islam is derived Admen, ideas and movements throughout history have always been transformational. Regional, and new developments anticipated in the gradual transformation of some kind of social reform and a new orientation in the field of social regeneration based Barmen various countries and peoples of the Islamic world ca...