Results 231 to 240 of about 1,920,761 (281)
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Nature Reviews Genetics, 2001
DNA that has been recovered from archaeological and palaeontological remains makes it possible to go back in time and study the genetic relationships of extinct organisms to their contemporary relatives. This provides a new perspective on the evolution of organisms and DNA sequences.
M, Hofreiter +4 more
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DNA that has been recovered from archaeological and palaeontological remains makes it possible to go back in time and study the genetic relationships of extinct organisms to their contemporary relatives. This provides a new perspective on the evolution of organisms and DNA sequences.
M, Hofreiter +4 more
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Antiquity, 1978
The authors of this paper were invited to attend a conference on ‘Ancient Vermont’ held at Castleton in Vermont in October 1977, and to examine and comment upon the ‘evidence’ for the extensive occupation of New England by Celts and others in the first or second millennium BC as propounded by Professor L. B. Fell of Harvard University.
Reynolds, Peter J., Ross, Anne
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The authors of this paper were invited to attend a conference on ‘Ancient Vermont’ held at Castleton in Vermont in October 1977, and to examine and comment upon the ‘evidence’ for the extensive occupation of New England by Celts and others in the first or second millennium BC as propounded by Professor L. B. Fell of Harvard University.
Reynolds, Peter J., Ross, Anne
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2018
I There are, it would appear, certain wholly unremarkable persons, with none of the characteristics that invite adventure, who yet once or twice in the course of their smooth lives undergo an experience so strange that the world catches its breath — and looks the...
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I There are, it would appear, certain wholly unremarkable persons, with none of the characteristics that invite adventure, who yet once or twice in the course of their smooth lives undergo an experience so strange that the world catches its breath — and looks the...
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Pain, 1986
In a group of about 1000 patients with chronic pain, approximately 4% had pain of very prolonged duration--25 years or longer. These subjects were similar in general to other chronic pain patients but they did differ significantly in the following: a higher incidence of face and head pain, greater dependency on analgesics and sedatives, more frequent ...
David W, Swanson +2 more
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In a group of about 1000 patients with chronic pain, approximately 4% had pain of very prolonged duration--25 years or longer. These subjects were similar in general to other chronic pain patients but they did differ significantly in the following: a higher incidence of face and head pain, greater dependency on analgesics and sedatives, more frequent ...
David W, Swanson +2 more
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Scientific American, 1993
Abstract The vast majority of all species that have ever existed on earth are now extinct and artefacts of only a small minority survive, either as museum specimens or as fossils. Nonetheless, if we could retrieve genetic information from these remnants it might add a great deal to our knowledge about them, about their relationships to ...
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Abstract The vast majority of all species that have ever existed on earth are now extinct and artefacts of only a small minority survive, either as museum specimens or as fossils. Nonetheless, if we could retrieve genetic information from these remnants it might add a great deal to our knowledge about them, about their relationships to ...
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Ancient Philosophy, Ancient History
2020Fifty papers, more than half dealing with philosophy at Rome, half a dozen classic pieces; all elegant, many diverting as well as instructive; and all eminently sane (a rare phenomenon). The drama takes place in Rome. The time, from the Gracchi to Marcus Aurelius.
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Hormone Research, 1995
The investigation of molecular traits for evolutionary studies is a valuable alternative to the classic morphological approach. Since the mid-1980s molecular evolution has extended its field of investigation into the past. This has become possible with development of the polymerase chain reaction, which allows amplification of, and hence the study of ...
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The investigation of molecular traits for evolutionary studies is a valuable alternative to the classic morphological approach. Since the mid-1980s molecular evolution has extended its field of investigation into the past. This has become possible with development of the polymerase chain reaction, which allows amplification of, and hence the study of ...
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This chapter considers the networks surrounding pre-Andean archaeology and art history in mid-twentieth-century New York, and in particular, the role of women artists and female assistants—specifically, the weavers Anni Albers and Sheila Hicks as crucial, but uncredited, interlocutors for their more famous male colleagues, Junius Bouton Bird and George
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Russian Journal of Genetics, 2006
The review is devoted to molecular genetic studies of ancient DNA. The problems of DNA preservation and modification after cell death, as well as techniques of working with ancient DNA, including its retrieval, removal of inhibitors, PCR amplification, and phylogenetic analysis, are discussed in detail. The possibilities are considered of using ancient
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The review is devoted to molecular genetic studies of ancient DNA. The problems of DNA preservation and modification after cell death, as well as techniques of working with ancient DNA, including its retrieval, removal of inhibitors, PCR amplification, and phylogenetic analysis, are discussed in detail. The possibilities are considered of using ancient
openaire +2 more sources