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        The Pursuit of Immortality

        In this interactive slideshow from NOVA scienceNOW, see some of the ideas that people have devised and explored in our quest to live longer. From the mythical sorcerer's stone and the elixir of life in the 14th century to the pursuit of the Fountain of Youth in the 16th century, people have long chased the hope of immortality. The 20th century brought about many new approaches to counteracting the aging process and prolonging life, such as caloric restriction, diets high in antioxidants, cryogenic suspension, mind uploading, nanomedical robots, genetic engineering, and engineered negligible senescence.

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