937 resultados para World History


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Insect pest phylogeography might be shaped both by biogeographic events and by human influence. Here, we conducted an approximate Bayesian computation (ABC) analysis to investigate the phylogeography of the New World screwworm fly, Cochliomyia hominivorax, with the aim of understanding its population history and its order and time of divergence. Our ABC analysis supports that populations spread from North to South in the Americas, in at least two different moments. The first split occurred between the North/Central American and South American populations in the end of the Last Glacial Maximum (15,300-19,000 YBP). The second split occurred between the North and South Amazonian populations in the transition between the Pleistocene and the Holocene eras (9,100-11,000 YBP). The species also experienced population expansion. Phylogenetic analysis likewise suggests this north to south colonization and Maxent models suggest an increase in the number of suitable areas in South America from the past to present. We found that the phylogeographic patterns observed in C. hominivorax cannot be explained only by climatic oscillations and can be connected to host population histories. Interestingly we found these patterns are very coincident with general patterns of ancient human movements in the Americas, suggesting that humans might have played a crucial role in shaping the distribution and population structure of this insect pest. This work presents the first hypothesis test regarding the processes that shaped the current phylogeographic structure of C. hominivorax and represents an alternate perspective on investigating the problem of insect pests. © 2013 Fresia et al.

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Frazier reviews The Great Pictorial History of World Crime by Jay Robert Nash.

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With the United States‘ entry into the Second World War, the word ?censorship? was seen largely as antithetical to, rather than a necessary counterpart to, victory among Americans. People did not want to be censored in their writing, photographs or speech,but it proved to be necessary even before the war began, in order to protect government secrets and the people on the home-front from scenes that were too disturbing. Even before the war had officially begun, there were problems with censorship among journalists and newspapers. The initial response of outrage in reference to censorship in the United States was common among journalists, newspapers, magazines, and radio news; nevertheless, there was a necessity for censorship among Americans, on the home frontand the front lines, and it would be tolerated throughout the war to ensure that enemies of America did not gain access to information that would assist in a defeat of the United States in the Second World War. The research I have conducted has dealt with the censorship of combat photography during World War II, in conjunction with the ethics that were in play at the time that affected the censors. Through exploring the work of three combat photographers — Tony Vaccaro, James R. Stephens and Charles E. Sumners — I wasable to effectively construct an explanatory ethical history of these three men. Research on the censorship and effects it had on the United States brought me to three distinctareas of censorship and ethics that would be explored: (1) the restrictions and limitations enforced by the Office of Censorship, (2) a general overview of war and photography as it influenced the soldiers and their families on the home-front, (3) and the combat photographers and personal and military censorship that influenced their work. Although their work was censored both by the military and the government, these men saw the war in a different light that remained with them long after the battles and war had ceased.Using the narratives of Tony Vaccaro, Charles E. Sumners and James R. Stephens as means for more in depth research, this thesis strives to create lenses through which to view the history and ethics of censorship that shaped combat photography during the Second World War and the images to which we refer as representative of that war today.

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by Horace Meyer Kallen

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Articulo publicado con ocasión de los 10 años del 9/11, el día 11.09.2011 en portada de edición on-line. ... The towers seemed provisional to Pammy. They remained mere concepts, not because their excessive volume less temporary than any regular distortion of light.

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Patient Griselda, from the "Decameron" of Boccaccio. Rewritten in English by the editor.--Aladdin, or The wonderful lamp, from "The Arabian nights".--Rip Van Winkle, by Washington Irving.--A passion in the desert, by Honoré de Balzac. Rewritten in English by the editor.--A child's dream of a star, by Charles Dickens.--A Christmas carol, by Charles Dickens.--A princess's tragedy, from "Barry Lyndon", by W.M. Thackeray.--The gold-bug, by Edgar Allan Poe.--The great stone face, by Nathaniel Hawthorne.--The necklace, and The string, by Guy de Maupassant. Rewritten in English by the editor.--The man who would be king, by Ruyard Kipling.--How Gavin Birse put it to Mag Lownie, from "A window in Thrums", by J.M. Barrie.--On the stairs, from "Tales of mean streets", by Arthur Morrison.

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Leaves of plates bound throughout the text.