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1993
After the fall of Rome in 476 A.D., there was an immensely long period of relatively little progress. Of course the confusion had already begun in the third century A.D., when economic hardship and political confusion was growing. History teaches us that, in such circumstances, most people have little time for abstract speculation and scientific ...
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After the fall of Rome in 476 A.D., there was an immensely long period of relatively little progress. Of course the confusion had already begun in the third century A.D., when economic hardship and political confusion was growing. History teaches us that, in such circumstances, most people have little time for abstract speculation and scientific ...
openaire +1 more source
Integrative geochronology calibrates the Middle and Late Stone Ages of Ethiopia’s Afar Rift
Proceedings of the National Academy of Sciences of the United States of America, 2021Michael Steven Shackley +2 more
exaly
Mortality at ages 75 and older in the cancer prevention study (cpsi)
Ca-A Cancer Journal for Clinicians, 1990Lawrence Garfinkel +2 more
exaly
Additional evidence for bone technology in the southern African Middle Stone Age
Journal of Human Evolution, 2007Francesco d'Errico +1 more
exaly