ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Artificial brain. Conceptual computer artwork of a human brain at the centre of microchip circuitry. This could represent the brain being the central processing unit for the body's nervous system. A microchip performs this function in a computer. The circuit pathways lead to computer images, as well as hands (lower left), which allow humans to manipulate the environment around them; a brain in a globe (upper left) to represent the internet; and helices of DNA (deoxyribonucleic acid, upper centre, sides). DNA passes biological information between generations, while brains are a repository of learning and culture. Both types of information are now also stored externally in computers.
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