Like the other structures in Lingshui, the sea turtle hospital is little more than a small dock topped with a hut.

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About 12 hours before "Little Boy" was placed aboard the aircraft Enola Gay, a scientist appeared at a Quonset hut on the island of Tinian to make final adjustments.

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But the advent of the chairlift puts an end to a valuable process of natural selection, by which those who reach the hut are sure to find, in its pure state, a small sample of a little-known human subspecies.

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Cogg's nook, a little recess tucked into the 150-foot contour line, was perhaps the best place where he could put his hut.

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