Science: Very Cold Facts

Penguins, flights over the South Pole, Admiral Byrd and other now tedious topics aside, the most recent U.S. Antarctic Expedition was essentially a scientific project designed to turn up a lot of useful scientific facts. Last week, six months back from their last trip, members of the 1939-41 expedition summarized the scientific results of their work at the fall meeting of Philadelphia's venerable, learned American Philosophical Society (one of their sponsors). Highlights of the reports:

Mapping the Unseen. Land never seen by human eyes is now being mapped by its photographed reflection on the moisture-filled sky above, said Geographer Paul Siple. Flying...

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