The Nature of Things

High altitude Physiology / The Vision of Galileo / Dust Storms (20x16)

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Among the segments is "Galileo," a film that chronicles the life of the Italian astronomer, mathematician and physicist through visits to the cities where he lived and worked, and demonstrations of his experiments. Another segment focuses on how the human body adapts to life high above sea level, and includes a report on some of the equipment that enables mountain climbers and airplane pilots to survive at high altitudes. Also; how weather in one part of the world can affect regions thousands of miles away.