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from article Anthropology

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Fossil skulls of four different species of Homo (clockwise from upper left): Homo neanderthalensis, Homo antecessor, Homo erectus, and Homo sapiens. Each skull shows different anatomical variations. (Credit: creativemarc/Shutterstock)

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from article Anthropology

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The indigenous inhabitants of Siberut Island (West Sumatra, Indonesia) are known as the Mentawai people. They live a seminomadic hunter-gatherer life in the coastal and rainforest environments of the island. (Credit: Chanwit Whanset/Shutterstock)

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from article Psychosis

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A colorized magnetic resonance imaging (MRI) scan of a human brain. Psychosis is a defective mental state in which there is a critical derangement of the mind (brain) involving abnormal contact with reality. (Credit: Govind Bhagavatheeshwaran and…

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from article Human-factors engineering

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Human-factors engineers design modern computer equipment, including ergonomic keyboards and mouse devices, to accommodate the varied physical contours and dimensions of the human hand. (Credit: JG Photography/Alamy)

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from article Human-factors engineering

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Human-factors engineering addresses problems related to the design of seats, workplaces, and consoles in terms of a user's physical size, comfort, strength, and visibility. (Copyright © McGraw-Hill Education)

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from article Psychoanalysis

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Sigmund Freud, the leading figure in the creation and development of psychoanalysis, in 1909. (Credit: Wellcome Images)

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from article Psychoanalysis

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Psychoanalysis is often used by psychological therapists to treat patients with neurotic, character, or personality disorders. (Credit: Michael Jung/Shutterstock)

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from article Umami taste receptor

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Schematic drawing of a taste bud. (Copyright © McGraw Hill)

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from article Umami taste receptor

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Schematics of umami, sweet, and chimeric T1R receptors. The T1R1/T1R3 umami taste receptor and the T1R1-2/T1R3 chimeric receptor recognize umami ligands, whereas the T1R2/T1R3 sweet taste receptor and the T1R2-1/T1R3 chimeric receptor recognize…

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