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Part Two of the series, "Time: The Story of Existence." Like most living things, humans are programmed to die. Can science change that? Examines mechanisms within our bodies that eventually wind down and stop. Shows how medical science may one day find a method for reversing the biological effects of time. Host Michio Kaku interviews Nobel Prize-winning biologist Sir Paul Nurse, who has spent a lifetime analyzing cellular division and other processes. Studies clues to immortality existing in other organisms, including sea urchins that live far longer than expected and display no signs of aging, and the Methuselah tree, a nearly 5,000-year-old pine in California that still produces cones. Original BBC title: "Lifetime." Accessibility options on the DVD are: (1) audio description, (2) expanded description, (3) subtitles for the deaf and hard of hearing.
