منابع مشابه
Mitochondrial DNA Studies of Native Americans: Conceptions and Misconceptions of the Population Prehistory of the Americas
For several reasons, mtDNA has been regarded as particularly useful for studying prehistory. The human mitochondrion is an extra nuclear organelle having DNA that exists as a circular molecule 16,569 base pairs in length, in which all nucleotide positions and coding loci are known.3 Because this DNA is uniquely maternally inherited and, unlike nuclear DNA, does not recombine, all changes in mtD...
متن کاملThe prehistory of compassion.
B eyond the biological traits that differentiate ancient species of hominins from extant humans, differences in social organization remain an important yet difficult issue to assess. Psychological features and interindividual relations, in particular, are among the least accessible aspects of past behaviors. Although the fossil and archaeological records do not easily allow us to tackle these k...
متن کاملThe Prehistory of the Mind
Mithen begins his book by first posing and then answering the question, ÒWhy ask an archaeologist about the human mind?Ó As he describes, there are many fields of study that can contribute to the discussion of the human mind. These include psychologists, philosophers, neurologists, primatologists, biological anthropologists, social anthropologists, and computer scientists. Mithen argues that pe...
متن کاملPrehistory of the West Indies.
Electrophysiology of the Heart (McGraw-Hill, New York, 1960 ), p. 323. 19. K. Frank and M. G. F. Fuortes, J. Physiol. London 130, 625 ( 1955 ); , ibid . 131, 424 (1956); , fbid. 134, 451 (1956); W. H. Freygang, Jr., and K. Frank, J. Ge}t. Physiol. 42, 749 ( 1959 ); I. Tasaki, E. H. Polley, F. Orrego, J. Neuro physiol. 20, 374 ( 1954); P. Fatt, ibid . 23, 61 (1957). 20. J. S. Coombs, J. C. Eccle...
متن کاملThe Prehistory of Antibiotic Resistance.
Antibiotic resistance is a global problem that is reaching crisis levels. The global collection of resistance genes in clinical and environmental samples is the antibiotic "resistome," and is subject to the selective pressure of human activity. The origin of many modern resistance genes in pathogens is likely environmental bacteria, including antibiotic producing organisms that have existed for...
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ژورنال
عنوان ژورنال: Hispanic American Historical Review
سال: 1993
ISSN: 0018-2168,1527-1900
DOI: 10.1215/00182168-73.4.679