Albinism in humans all vertebrates, including humans. It is due to absence or defect of tyrosinase, a copper-containing enzyme involved in the production of melanin. It is the opposite of melanism. Unlike humans, other animals have multiple pigments and for these, albinism is considered to be a hereditary condition characterised by the absence of melanin in particular, in the eyes, skin, hair, scales, feathers or cuticle. While an organism with complete absence of melanin is called an albino, an organism with only a diminished amount of melanin is described as leucistic or albinoid. The term is from the Latin "albus", "white". There are
What Is Theosophy? What Is Theosophy? "What Is Theosophy?" is an editorial published in October 1879 in the Theosophical magazine "The Theosophist." It was compiled by Helena Blavatsky and included into the 2nd volume of the "Blavatsky Collected Writings." According to a doctoral thesis by Tim Rudbøg, in this "important" article Blavatsky "began conceptualizing her idea of 'Theosophy'." Blavatsky writes that, "according to lexicographers, the term "theosophia" is composed of two Greek words—"theos" "god," and "sophos" "wise." She then writes that Noah Webster defines it as "a supposed intercourse with God and superior spirits, and consequent attainment of superhuman knowledge, by "physical processes,"