Abstract The 20th century revolutionary process had a big impact on the World System and significantly changed its entire configuration. However, there are essential gaps in terms of theoretical approaches, particular, typology revolutions. Moreover, is clearly insufficient research related to qualitative quantitative analysis consideration revolutions their entirety. This article aims fill tho...

In the past 20th century, during the sixties, a successful replacement of a pathologic hip joint was finally achieved. It was the first arthroplasty of the hip providing a good functional outcome. This new technique was described by Charnley in 1961 (Charnley, 1961). Two materials were then introduced in the orthopedic surgery, the polyethylene and the polymethyl methacrylate. This later is kno...

“Biology today is at a crossroads. The molecular paradigm, which so successfully guided the discipline throughout most of the 20th century, is no longer a reliable guide. Its vision of biology now realized, the molecular paradigm has run its course. Biology, therefore, has a choice to make, between the comfortable path of continuing to follow molecular biology’s lead or the more invigorating on...

Regenerative medicine is not new; it has not sprung anew out of stem cell science as has often been suggested. There is a rich history of study of regeneration, of development, and of the ways in which understanding regeneration advances study of development and also has practical and medical applications. This paper explores the history of regenerative medicine, starting especially with T.H. M...

Salmonella Enteritidis emerged as a major egg-associated pathogen in the late 20th century. Epidemiologic data from England, Wales, and the United States indicate that S. Enteritidis filled the ecologic niche vacated by eradication of S. Gallinarum from poultry, leading to an epidemic increase in human infections. We tested this hypothesis by retrospective analysis of epidemiologic surveys in G...

[1] Observational analyses have documented increases in global ocean temperature, heat content, and sea level in the 20th century. Previous studies argued that the observed ocean warming is a response to increasing greenhouse gases. We use a new climate model to decompose simulated ocean temperature changes into components attributable to subsets of anthropogenic and natural influences. The mod...

Mean minimum temperatures increased across virtually all of Australia during the 20th century (Torok and Nicholls 1996). Mean maximum temperatures also increased over most of the country, but decreased in central and eastern New South Wales, and isolated parts of southern Queensland (Fig. 1). A high-quality temperature dataset (Della-Marta et al. 2004), based on a dataset originally developed b...

The formal process of specialization and subspecialization in medicine began at the start of the 20th century. Although forensic psychiatry has long held a central place within organized psychiatry, it was not officially recognized as a subspecialty until the end of the 20th century. This milestone was achieved through the efforts of many leaders in the field, and prominent among them has been ...

The response of plant species to future atmospheric carbon dioxide concentrations [CO(2)] has been determined for hundreds of crop and tree species. However, no data are currently available regarding the response of invasive weedy species to past or future atmospheric [CO(2)]. In the current study, the growth of six species which are widely recognized as among the most invasive weeds in the con...