Speleology by a large number of human activities. Dam construction, limestone quarrying, water pollution and logging are just some of the disasters that can devastate or destroy underground biological communities. Speleologists also work with archaeologists in studying underground ruins, tunnels, sewers and aqueducts, such as the various inlets and outlets of the Cloaca Maxima in Rome. Speleology Speleology is the scientific study of caves and other karst features, their make-up, structure, physical properties, history, life forms, and the processes by which they form (speleogenesis) and change over time (speleomorphology). The term "speleology" is also sometimes applied to the recreational activity of
Association for the Social Scientific Study of Jewry Association for the Social Scientific Study of Jewry The Association for the Social Scientific Study of Jewry (ASSJ) is a cross-disciplinary organization of individuals whose research concerns the Jewish people throughout the world. The ASSJ comprises primarily academics, but also policy analysts, communal professionals, and activists whose research concerns the Jewish people throughout the world. Social scientific disciplines represented include sociology, social psychology, social anthropology, demography, contemporary history, social work, political science, economics, and Jewish education. Members work throughout the world but primarily in North America, Israel, and Europe. The ASSJ encourages and facilitates contact among researchers, supports the dissemination