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Old folks have big ears
Source: improbable.com

Old men have big ears, is the consensus of several medical studies. The most celebrated work focused exclusively on men, according with British male doctordom’s smug tradition of showing interest mainly in themselves. But in Japan and in Germany, wide-ranging investigations have made plain a long-untold half of the story: that old women also have big ears. The British action played out in the British Medical Journal, where body parts are always of interest. In 1993, Dr James A Heathcote, …

Wichtiger empirischer Befund. (Nutzen u.a.: Ohrgröße = Proxy für Alter).