Color The science of color is sometimes called chromatics, colorimetry, or simply color science. It includes the study of the perception of color by the human eye and brain, the origin of color in materials, color theory in art, and the physics of electromagnetic radiation in the visible range (that is, what is commonly referred to simply as "light"). Electromagnetic radiation is characterized by its wavelength (or frequency) and its intensity. When the wavelength is within the visible spectrum (the range of wavelengths humans can perceive, approximately from 390 nm to 700 nm), it is known as "visible light". Most light
Critical medical anthropology the idea of “nature”—the way external reality is conceived and related to by humans—but also the very physical shape of nature, including human biology, that has been deeply influenced by an evolutionary history of social inequality, overt and covert social conflict, and the operation of both physical power and the power to shape dominant ideas and conceptions in society and internationally through processes of globalization, control of production and reproduction, and control of labor. Critical medical anthropology Critical medical anthropology (CMA) is a branch of medical anthropology that blends critical theory and ground-level ethnographic approaches in the consideration of the