persisting
21Islāmic world — Introduction prehistory and history of the Islamic community. Adherence to Islām is a global phenomenon: Muslims predominate in some 30 to 40 countries, from the Atlantic to the Pacific and along a belt that stretches across northern… …
22Visual snow — is a transitory or persisting visual symptom where people see snow or television like static in parts or the whole of their visual fields, especially against dark backgrounds. It is much like camera noise in low light conditions. The severity or… …
23Byzantine Empire — the Eastern Roman Empire after the fall of the Western Empire in A.D. 476. Cap.: Constantinople. * * * Empire, southeastern and southern Europe and western Asia. It began as the city of Byzantium, which had grown from an ancient Greek colony… …
24Psilocybin — Psilocybin …
25Post-concussion syndrome — Classification and external resources ICD 10 F07.2 ICD 9 310.2 …
26Gordon Pask — Andrew Gordon Speedie Pask (June 28, 1928, Derby – March 29, 1996, London) was an English cybernetician and psychologist who made significant contributions to cybernetics, instructional psychology, experimental epistemology and educational… …
27Temporal parts — are used in contemporary metaphysics in the debate over persistence of material objects. Some metaphysicists believe objects have temporal parts as objects usually have spatial parts (such as hands, feet, legs etc.). A temporal part would thus be …
28physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
29Substance abuse — Classification and external resources Comparison of the perceived harm for various psychoactive drugs from a poll among medical psychiatrists specialized in addiction tr …
30Aronia — Chokeberry Purple Chokeberry Scientific classification Kingdom: Plantae …
