نتایج جستجو برای: prehistoric

تعداد نتایج: 3377  

Journal: :Current Swedish Archaeology 2021

Journal: :The Classical Review 1922

Journal: :Anais da Academia Brasileira de Ciencias 2011
Luiz F Ferreira Ana M Jansen Adauto Araújo

The classical hypothesis proposes that Chagas disease has been originated in the Andean region among prehistoric people when they started domesticating animals, changing to sedentary habits, and adopting agriculture. These changes in their way of life happened nearly 6,000 years ago. However, paleoparasitological data based on molecular tools showed that Trypanosoma cruzi infection and Chagas d...

2016
Koen Janssens Stijn Legrand Geert Van der Snickt Frederik Vanmeert

From prehistoric times, man has felt the urge to depict the surrounding world on various substrates by using coloured materials. Historical paintings, such as prehistoric cave paintings, are often called ‘windows on the past’ and have allowed later generations to imagine how former human societies looked and/or functioned. Historical paintings are, therefore, considered to be a very valuable pa...

Journal: :Biology letters 2016
Hisashi Nakao Kohei Tamura Yui Arimatsu Tomomi Nakagawa Naoko Matsumoto Takehiko Matsugi

Whether man is predisposed to lethal violence, ranging from homicide to warfare, and how that may have impacted human evolution, are among the most controversial topics of debate on human evolution. Although recent studies on the evolution of warfare have been based on various archaeological and ethnographic data, they have reported mixed results: it is unclear whether or not warfare among preh...

2010
Patrick Kirch

Prehistoric environmental change in Hawai'i is evaluated through the analysis of sedi-ment and pollen samples from dated cores and excavation profiles in the coastal low-lands of O'ahu. It is suggested that a lowland Pritchardia palm forest and associatedspecies underwent rapid decline starting between about A.D. 1000 to 1200. This de-cline seems to have occurred earlier in coas...

Journal: :Biology letters 2016
S Kathleen Lyons Joshua H Miller Danielle Fraser Felisa A Smith Alison Boyer Emily Lindsey Alexis M Mychajliw

Understanding extinction drivers in a human-dominated world is necessary to preserve biodiversity. We provide an overview of Quaternary extinctions and compare mammalian extinction events on continents and islands after human arrival in system-specific prehistoric and historic contexts. We highlight the role of body size and life-history traits in these extinctions. We find a significant size-b...

Journal: :American journal of physical anthropology 1978
J C Rose G J Armelagos J W Lallo

Although previous paleopathological studies have used disturbances in enamel formation as indicators of childhood stress, the full potential of this technique has not been realized. This paper presents a test case which demonstrates that the frequency of disturbed enamel formation (i.e., Wilson bands) is associated with other stress indicators (i.e., probability of dying and infectious lesions)...

Journal: :Proceedings. Biological sciences 2002
Richard P Duncan Tim M Blackburn Trevor H Worthy

Holocene fossils document the extinction of hundreds of bird species on Pacific islands during prehistoric human occupation. Human hunting is implicated in these extinctions, but the impact of hunting is difficult to disentangle from the effects of other changes induced by humans, including habitat destruction and the introduction of other mammalian predators. Here, we use data from bones colle...

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