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*Teaching Ignorance* By JAMIE HOLMESAUG. 24, 2015 IN the mid-1980s, a University of Arizona surgery professor, Marlys H. Witte, proposed teaching a class entitled “Introduction to Medical and Other Ignorance.” Her idea was not well received; at one foundation, an official told her he would rather resign than support a class on ignorance. Dr. Witte was urged to alter the name of the course, but she wouldn’t budge. Far too often, she believed, teachers fail to emphasize how much about a given topic is unknown. “Textbooks spend 8 to 10 pages on pancreatic cancer,” she said some years l...mais »
‘Diamonds from the sky’ approach to turn CO2 into valuable carbon nanofibers Decreasing CO2 to pre-industrial-revolution levels is the goal August 19, 2015 [image: Researchers are generating carbon nanofibers (above) from CO2 , removing a greenhouse gas from the air to make products. (credit: Stuart Licht, Ph.D)] A research team of chemists at George Washington Universityhas developed a technology that can economically convert atmospheric CO2 directly into highly valued carbon nanofibers for industrial and consumer products — converting an anthropogenic greenhouse gas from a climate ch...mais »
Report Switch to Standard View PGC-1α Modulates Telomere Function and DNA Damage in Protecting against Aging-Related Chronic Diseases Shiqin Xiong , Nikolay Patrushev , Farshad Forouzandeh , Lula Hilenski , R. Wayne Alexander[image: correspondence][image: email] Publication stage: In Press Corrected Proof Open Access DOI: http://dx.doi.org/10.1016/j.celrep.2015.07.047 Open access funded by the Author(s) - PDF (3 MB) - Extended PDF (3 MB) - Download Images(.ppt) - Email Article - Add to My Reading List - Export Citation - Create Citation Alert - Cited by in Sc...mais »
Anti-cancer vaccine uses patient’s own cancer cells to trigger immune responsesAugust 26, 2015 [image: Cancerous melanoma cells shown with their cell bodies (green) and nuclei (blue) are nestled in tiny hollow lumens within the polymeric cryogel (red) structure. (credits: Thomas Ferrante, Sidi A. Bencherif / Wyss Institute at Harvard University)] A new biologically inspired “injectable cryogel whole-cell cancer vaccine” combines patient-specific harvested cancer cells and immune-stimulating chemicals or biological molecules to help the body attack cancer. It has been developed by sci...mais »
Back to school with new cyberlearning tools [image: cyberlearning]Classroom learning technologies fuse computational modeling and data analysis to improve student learning More at http://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=136093&WT.mc_id=USNSF_1 This is an NSF Discoveries item.
Download HeartScore On your PC: Download HeartScore directly to your desktop or laptop. * A new Windows-based programme is currently available for:* *Europe low risk:* Andorra, Austria, Belgium, Cyprus, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Israel, Italy, Luxembourg, Malta, Monaco, The Netherlands*, Norway, Portugal, San Marino, Slovenia, Spain, Sweden, Switzerland and United Kingdom. *Europe high risk:* Albania, Algeria, Bosnia and Herzegovina, Croatia, Czech Republic, Egypt, Estonia, Hungary, Kosovo, Lebanon, Libya, Montenegro, Morocco, Poland, Romania, Serb...mais »
Five new practice Guidelines for 2015ESC Congress News 2015 - London29 Aug 2015 ESC CONGRESS 2015 will see the launch of five new ESC Guidelines: on pulmonary hypertension (developed jointly with the European Respiratory Society), ventricular arrhythmias and sudden cardiac death, acute coronary syndromes NSTE, pericardial diseases, and infective endocarditis./.../
« The reproducibility of psychological science Don’t call it a comeback [image: Duchenne_de_Boulogne]The Reproducibility Project, the giant study to re-run experiments reported in three top psychology journals, has just published itsresults and its either a disaster, a triumph or both for psychology. You can’t do better than the coverage in *The Atlantic*, not least as it’s written by Ed Yong, the science journalist who has been key in reporting on, and occasionally appearing in, psychology’s great replication debates. Two important things have come out of the Reproducibility Project. ...mais »
Young brains can take on new functions Article | Aug 28, 2015Recommendations: n/a [image: MIT.] Visual cortex of blind children can be remodeled to process language. In 2011, MIT neuroscientist Rebecca Saxe and colleagues reported that in blind adults, brain regions normally dedicated to vision processing instead participate in language tasks such as speech and comprehension. Now, in a study of blind children, Saxe’s lab has found that this transformation occurs very early in life, before the age of 4. The study, appearing in the *Journal of Neuroscience*, suggests that the brains of ...mais »
*Recomendado pela nossa filha Lúcia Helena Robinson Achutti, jornalista e jurista.* *Tribo amazônica cria enciclopédia de medicina tradicional com 500 páginas* 13 de julho de 2015Filled under Destaques, Newsletter, Notícias 64 Comentários Em uma das grandes tragédias da nossa era, tradições, histórias, culturas e conhecimentos indígenas estão desfalecendo em todo o mundo. Línguas inteiras e mitologias estão desaparecendo e, em alguns casos, até mesmo grupos indígenas inteiros estão em processo de extinção. Isto é o que chama a atenção para uma tribo na Amazônia – o povo Matsés do Br...mais »
Which Nations Consume the Most Water? Much of the life-sustaining resource is traded across national borders By Mark Fischetti | Jun 1, 2012 A vast amount of water is used to produce the food and products that nations consume. Large population is the greatest factor, but inefficient agriculture or dependence on water-intensive cuisine can exacerbate demand; meat consumption accounts for 30 percent of the U.S. water footprint. Certain countries, such as India and the U.S., also export significant quantities of water in the form of food and products, despite their own robust consumption....mais »
Scientists explore the origins of energy in chemical reactions using experimental quantum chemistryAugust 21, 2015 by Lisa Zyga report Read more at: http://phys.org/news/2015-08-scientists-explore-energy-chemical-reactions.html#jCp [image: experimental quantum chemistry] Chemists propose that the energy, E, in all chemical reactions can be broken down into three components, as shown in this equation. The “X-bar” represents the average binding energy of electrons (the Allen definition of electronegativity), …more
*Reencontrei o texto de meu discurso de formatura e vou coloca-lo como provisório para publica-lo depois de revisado.* *Discurso de Formatura do 2o. gráu em 1952* *Colégio Santa Maria. **SM, RS.* Aloyzio Achutti Escolhemos como lema para nossa formatura, como símbolo e resumo de nosso pensamento neste instante de nossa vida (momento grave, cheio de esperanças, cheio de alegria e também de apreensões), escolhemos algo relativo à vida e ao ideal. Sobre o Ideal da Vida e sobre a Vida Ideal. Que mais, dizei-me, poder-nos-ia preocupar tanto e tanto nos interessar ...mais »
http://www.apple.com/br/education/ipad/itunes-u/ [image: Curso em destaque, Biology: Life on Earth. Explore um mundo desconhecido com o novo curso da E.O. Wilson Biodiversity Foundation. Faça a sua inscrição.] [image: Curso em destaque, Biology: Life on Earth. Explore um mundo desconhecido com o novo curso da E.O. Wilson Biodiversity Foundation. Faça a sua inscrição.]