Science: Life in the Deep Freeze

The winter sun still sulked below the northern horizon, but a few rays of light filtered across the Antarctic wastes. The sculptured sea of snow swept on forever. The date: Sept. 18, 1957. The temperature : —102.1 °F., the lowest official reading ever made on the face of the earth.

Out of a building smothered in snow climbed a husky figure in heavy arctic gear. Dr. Paul Siple. 49. leader of the U.S. encampment at the South Pole, made his way to a spot his group had picked as the exact locus of the earth's bottom, the South Pole. There, he squinted...

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