Articles with "000 year" as a keyword



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Material processed with 58,000‐year‐old grindstones from Sibudu (KwaZulu‐Natal, South Africa) identified by means of Raman microspectroscopy

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Published in 2018 at "Journal of Raman Spectroscopy"

DOI: 10.1002/jrs.5354

Abstract: Despite their high potential for understanding past human behaviours, the study of grindstones is limited in the literature compared with other forms of lithic tools. This paper reports the combination of optical microscopy and Raman… read more here.

Keywords: material processed; south africa; raman microspectroscopy; processed 000 ... See more keywords
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A vast 4,000-year-old spatial pattern of termite mounds

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Published in 2018 at "Current Biology"

DOI: 10.1016/j.cub.2018.09.061

Abstract: The origins of many large-scale 'biogenic' earthen structures are controversial, because often the species that built them have vanished. This is especially true when they form regular (over-dispersed), self-organized vegetation patterns [1]. Here, we describe… read more here.

Keywords: year old; vast 000; spatial pattern; soil ... See more keywords

Survival of Late Pleistocene Hunter-Gatherer Ancestry in the Iberian Peninsula

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Published in 2019 at "Current Biology"

DOI: 10.1016/j.cub.2019.02.006

Abstract: The Iberian Peninsula in southwestern Europe represents an important test case for the study of human population movements during prehistoric periods. During the Last Glacial Maximum (LGM), the peninsula formed a periglacial refugium [1] for… read more here.

Keywords: peninsula; iberian peninsula; hunter; ancestry ... See more keywords
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Estimates for Lyme borreliosis infections based on models using sentinel canine and human seroprevalence data

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Published in 2020 at "Infectious Disease Modelling"

DOI: 10.1016/j.idm.2020.10.004

Abstract: Two models were developed to estimate Lyme borreliosis (LB) cases. One was based on the seroprevalence of Borrelia infections in human samples. This model used corrections for false negative and false positive results from published… read more here.

Keywords: seroprevalence; year; prevalence; 000 year ... See more keywords

A 50,000 year insect record from Rancho La Brea, Southern California: Insights into past climate and fossil deposition

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Published in 2017 at "Quaternary Science Reviews"

DOI: 10.1016/j.quascirev.2017.05.001

Abstract: Abstract Rigorously studied and dated Late Quaternary paleoenvironmental reconstructions from Ranch La Brea (RLB) and the Los Angeles Basin are scarce. Here, we use data from AMS radiocarbon dated insect fragments to infer local climates… read more here.

Keywords: insect; angeles basin; los angeles; climate ... See more keywords

Climate Change and Social Unrest: A 6,000‐Year Chronicle From the Eastern Mediterranean

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Published in 2020 at "Geophysical Research Letters"

DOI: 10.1029/2020gl087496

Abstract: The history of the Eastern Mediterranean is punctuated by major crises that have influenced many of the region's established socioeconomic models. Recent studies have underscored the role of drought and temperature oscillations in driving changes… read more here.

Keywords: climate change; 000 year; eastern mediterranean; mediterranean climate ... See more keywords

5,000-Year-Old Copper Pollution Found near the Pyramids

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Published in 2024 at "Eos"

DOI: 10.1029/2024eo240382

Abstract: New geoarchaeological research shows that metalworking in ancient Egypt led to significant contamination in a nearby port. read more here.

Keywords: old copper; copper pollution; 000 year; found near ... See more keywords

A 30,000-Year-Old Feather Is a First-of-Its-Kind Fossil

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Published in 2025 at "Eos"

DOI: 10.1029/2025eo250131

Abstract: A new analysis of a fossil found in 1889 has unveiled the presence of zeolites—and an entirely new mineralization method. read more here.

Keywords: first kind; old feather; 000 year; feather first ... See more keywords

A 130,000-year-old archaeological site in southern California, USA.

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Published in 2017 at "Nature"

DOI: 10.1038/nature22065

Abstract: The earliest dispersal of humans into North America is a contentious subject, and proposed early sites are required to meet the following criteria for acceptance: (1) archaeological evidence is found in a clearly defined and… read more here.

Keywords: 130 000; bone; site; archaeological site ... See more keywords
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Arabs: A 3,000-Year History of Peoples, Tribes and Empires

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Published in 2019 at "Asian Affairs"

DOI: 10.1080/03068374.2019.1634359

Abstract: Islam did not emerge from thin air; it had roots deep in a particular topography and geography: an inhabited southern and northern rim enclosing a desert that pitted settled communities (hidara) against nomadic tribes (badw).… read more here.

Keywords: tribes empires; year history; arabs 000; 000 year ... See more keywords

Association between trends of mortality and incidence, survival and stage at diagnosis for six digestive and respiratory cancers in United States (2009–2013)

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Published in 2022 at "European Journal of Cancer Prevention"

DOI: 10.1097/cej.0000000000000766

Abstract: Background A decrease in cancer mortality has been reported in the USA, possibly due to decreased incidence, downstaging and improved survival. The aim of the present study is to estimate the contribution of these factors… read more here.

Keywords: incidence; mortality; 000 year; 100 000 ... See more keywords