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
Humans of planet earth Humans of planet earth Humans of Planet Earth is a project aimed to regroup 100 photographers from 100 locations around the world, in an effort to capture 10000 portraits of people. The project was initiated by a New Zealand-American Brandon Van Slyke, in an effort to gain a perspective of the planet and its people, particularly if it contrasts from stereotypical prevailing media portrayals. The initiative was inspired by the Humans of New York (HONY) blog, an attempt to document people from New York City. The portraits and stories are shared on a Facebook page, in addition to the main