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Strong links between Saharan dust fluxes, monsoon strength, and North Atlantic climate during the last 5000 years

Abstract Despite the multiple impacts of mineral aerosols on global and regional climate and the primary climatic control on atmospheric dust fluxes, dust-climate feedbacks remain poorly constrained, particularly at submillennial time scales, hampering regional and global climate models. We reconstruct Saharan dust fluxes over Western Europe for the last 5000 years, by means of speleothem strontium isotope ratios ( 87Sr/ 86Sr) and karst modeling. The record reveals a long-term increase in Saharan dust flux, consistent with progressive North Africa aridification and strengthening of Northern Hemisphere latitudinal climatic gradients. On shorter, centennial to millennial scales, it shows broad variations in dust fluxes, in tune with North Atlantic ocean-atmosphere patterns and with monsoonal variability. Dust fluxes rapidly increase before (and peaks at) Late Holocene multidecadal- to century-scale cold climate events, including those around 4200, 2800, and 1500 years before present

Red meat intake, poor education linked to colorectal cancer

A new paper in JNCI Cancer Spectrum, published by Oxford University Press, indicates that several non-genetic factors including greater red meat intake, lower educational attainment, and heavier alcohol use are associated with an increase in colorectal cancer in people under 50. In the United States, incidence rates of early-onset colorectal cancer have nearly doubled between 1992 and 2013 (from 8.6 to 13.1 per 100,000), with most of this increase due to early-onset cancers of the rectum. Approximately 1 in 10 diagnoses of colorectal cancer in this country occur in people under 50. Researchers have observed the rise particularly among people born since the 1960s in studies from the United States, Canada, Australia, and Japan. During the same period there have been major changes in diets among younger generations across the developing world. Such changes include decreases in consumption of fruits, non-potato vegetables, and calcium-rich dairy sources. This is coupled with an incre

Hartos de esperar | Noticias Diario de Burgos

Hartos de esperar | Noticias Diario de Burgos
diariodeburgos.es - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from diariodeburgos.es Daily Mail and Mail on Sunday newspapers.

Spain: Crimean-Congo hemorrhagic fever case confirmed in Salamanca province

Image/Robert Herriman Crimean-Congo hemorrhagic fever is caused by a virus, the main transmission mechanism of which is the bite of the tick of the genus  “Hyalomma” , although it can also be transmitted from person to person through contact with the patient’s blood or fluids, which can occur especially in health personnel when they are not properly protected. The now confirmed case is a 59-year-old man who, after symptomatology compatible with the FHCC and referring, due to his profession as a farmer, contact with animals and recent tick bites, have had the appropriate analyzes that have been positive to the Crimean-Congo hemorrhagic fever, as confirmed by the ‘Carlos III’ Health Institute.

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