A mentally active human brain keeps on growing untii the age of 50 or 00. Tliis is the most logical mlerpi'etation, says" Dr Al.ex Hrdlicka, curator of phj»«ral anthropology of tho Smithsonian lustitution (U.S.A.), of a slight but constant increase iii the dimensions of the head which continues in mentally active men and women throughout most of adult life until the changes associated with old age begin. The increase ux liead size has been found by Dr Hrdlicka in measurements made on "old Americans'' — pei'Sdns with at lOast three generations of Anterican aUcestry ; on the members o'f the National Academy of Scienees ; and even on a large gl'olip of Indians. It has just been demoirstrated strikingly by reported lueiieurements of large groups of Kussians of various racial groups, and it appears in the great body of data ; collected by French anthropologists. j
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Hawke's Bay Herald-Tribune, Issue 159, 23 July 1937, Page 7
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142Untitled Hawke's Bay Herald-Tribune, Issue 159, 23 July 1937, Page 7
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