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
Institute for the Study of Academic Racism as Raymond Cattell and Richard Lynn on what they considered to be nonscientific grounds. Whitney stated that Mehler combats those he accuses of racism primarily through popular rather than scientific channels (for example TV programs, such as "Geraldo"). Institute for the Study of Academic Racism The Institute for the Study of Academic Racism (ISAR) is an organization that monitors "changing intellectual trends in academic racism, biological determinism, and eugenics." ISAR states that in this capacity it "acts as a resource service for students, academics, journalists, legislators and civil rights activists." ISAR was founded by Barry Mehler in 1993. The institute