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Colonização alemã no Rio Grande do Sul *No dia 18 p.p. comemorou-se a data do início oficial da imigração "Alemã" para nosso Estado, entre os quais estavam vários antepassados meus e da minha esposa Valderês: Böbien, Adami, Link, Diederich, Lichtler, Robinson...* *Meu primo José Antônio Brenner escreveu um artigo para jornal de SM que não consegui acessar. Quando o tiver vou colocar junto à referência atual.* Origem: Wikipédia, a enciclopédia livre. A *colonização alemã* no Rio Grande do Sul foi motivada pela necessidade de povoar o sul do Brasil, garantindo a posse do território, amea...mais »
One injection stops type 2 diabetes without side effects Helps keep blood sugar under control and reverses insulin insensitivity July 21, 2014 In the liver tissue of obese animals with type 2 diabetes, unhealthy, fat-filled cells are prolific (small white cells, panel A). After chronic treatment through FGF1 injections, the liver cells successfully lose fat and absorb sugar from the bloodstream (small purple cells, panel B) and more closely resemble cells of normal, non-diabetic animals. (Credit: Salk Institute) In mice with diet-induced diabetes — the equivalent of type 2 diabetes in ...mais »
The incredible unlikelihood of beingJuly 24, 2014 *[+]* (credit: iStock) Hello Ray, The universe existed several billion years before humans were conscious, and will exist several billion years after we are conscious. So, it is statistically improbable for the chronological timeline of the universe to be located at this precise moment, when we are conscious, that is, an 80 year lifespan within some 30 billion years. Are you aware of any theories, besides survivorship bias from statistics, that could address this question? Why humans happened to be alive during precise moments in the de...mais »
Is our universe a bubble in the multiverse?July 21, 2014 *[+]* Screenshot from a video of Matthew Johnson explaining the multiverse hypothesis (credit: Perimeter Institute) Researchers at the Perimeter Institute for Theoretical Physics are working to bring the multiverse hypothesis — we are living in one universe of many — into the realm of testable science. Perimeter Associate Faculty member Matthew Johnson and his team are looking for clues for the existence of multiverses (a.ka. parallel universes) in the cosmic microwave background data, assumed to be left over from the Big Bang./...mais »
Noninvasive retinal imaging device detects Alzheimer’s 20 years in advance Device could be FDA-approved by 2015 and early signs of Alzheimer's could be detected in a regular ophthalmologist exam July 22, 2014 Retina test for future Alzheimer’s disease (AD), showing plaques. Upper left: normal retina.Upper right: mild AD. Lower left: Moderate AD. Lower right: Non-AD dementia. (Credit: Keith Black, MD) Cedars-Sinai Medical Center researchers have developed a noninvasive retinal imaging device that can provide early detection of changes indicating Alzheimer’s disease 15 to 20 years before...mais »
How to prevent diseases of agingJuly 24, 2014 By 2050, the number of people aged over 60 years is projected to be five times that in 1950 (credit: Luigi Fontana, Brian K. Kennedy, and and Valter D. Longo/Nature) By 2050, the number of people over the age of 80 will triple globally, which could come at great cost to individuals and economies. Unfortunately, medicine focuses almost entirely on fighting chronic diseases in a piecemeal fashion as symptoms develop, researchers writing in the journal*Nature* say. Instead, more efforts should be directed to promoting interventions that have ...mais »
Talking back ------------------------------ A science blog, *sans blague* Talking back Home Gold Standard Trial Affirms Role of Diet, Exercise and Such to Prevent Dementia By Gary Stix | July 17, 2014 | *The views expressed are those of the author and are not necessarily those of* Scientific American. ------------------------------ (SLIDE FROM PRESS BRIEFING AT COPENHAGEN ALZHEIMER'S CONFERENCE) In 2010, the National Institutes of Health held a conference to determine what measures, including behavioral steps like exercise and diet, could be taken to reduce the risk of Alzheimer’s. ...mais »
Online First > Medical News & Perspectives | July 23, 2014 Research on Psychiatric Disorders Targets Inflammation FREE ONLINE FIRST M. J. Friedrich *JAMA*. Published online July 23, 2014. doi:10.1001/jama.2014.8276 Text Size: A A A Article Figures New York—Activation of the immune system is the body’s natural reaction to infection or tissue damage, but when this protective response is prolonged or excessive, it can play a role in many chronic illnesses, not only of the body, but also of the brain. “Psychiatric and neurodevelopmental disorders are being thought of more and more as system...mais »
Does Diagnosing Fatty Liver and Chronic Kidney Disease Do More Good Than Harm? - Druin Burch mail - Published: July 22, 2014 - DOI: 10.1371/journal.pmed.1001681 Linked Research Article This Perspective discusses the following new study published in *PLOS Medicine*: Musso G, Gambino R, Tabibian JH, Ekstedt M, Kechagias S, et al. (2014) Association of Non-alcoholic Fatty Liver Disease with Chronic Kidney Disease: A Systematic Review and Meta-analysis. PLoS Med 11(7): e1001680. doi:10.1371/journal.pmed.1001680 In a systematic review and meta-analysis, Giovanni Musso and...mais »
The world's largest particle collider has given us our first glimpse of the Higgs boson doing its job.
For 50 years, the Higgs boson was the final missing piece in the standard model of particle physics, which elegantly predicts how fundamental particles and forces interact. The ATLAS experiment at the Large Hadron Collider near Geneva, Switzerland, was one of the detectors that helped discover the Higgsin 2012.