It’s long been known that people living with HIV experience a loss of white matter in their brains. As opposed to «gray matter,» which is composed of the cell bodies of neurons, white matter is made up of a fatty substance called myelin that coats neurons, offering protection and helpingContinuar Leyendo
Researchers have discovered a gene, OTUD7A, that impacts the development of Ewing sarcoma, a bone cancer that occurs mainly in children. They have also identified a compound that shows potential to block OTUD7A protein activity. The finding, by scientists at the University of North Carolina and the Lineberger Comprehensive CancerContinuar Leyendo
Pollution from manufacturing is now widespread, affecting all regions in the world, with serious ecological, economic, and political consequences. Heightened public concern and scrutiny have led to numerous governments considering policies that aim to lower pollution and improve environmental qualities. Inter-governmental agreements such as the Paris Agreement and the UnitedContinuar Leyendo
In a study of 11 medical-mystery patients, an international team of researchers led by scientists at the National Institutes of Health and the Uniformed Services University (USU) discovered a new and unique form of amyotrophic lateral sclerosis (ALS). Unlike most cases of ALS, the disease began attacking these patients duringContinuar Leyendo
While it is widely accepted that climate change drove the evolution of our species in Africa, the exact character of that climate change and its impacts are not well understood. Glacial-interglacial cycles strongly impact patterns of climate change in many parts of the world, and were also assumed to regulateContinuar Leyendo
Crohn’s disease, a type of inflammatory bowel disease (IBD) that causes inflammation (pain and swelling) in the gastrointestinal tract, can cause daily health problems, frequent hospitalizations and surgery when not adequately controlled. While there is no cure for Crohn’s disease, there are treatments that can help patients live a symptom-freeContinuar Leyendo
About 36 million people have blindness including 1 million children. Additionally, 216 million people experience moderate to severe visual impairment. However, STEM (science, technology, engineering and math) education maintains a reliance on three-dimensional imagery for education. Most of this imagery is inaccessible to students with blindness. A breakthrough study byContinuar Leyendo
La astronauta de la ESA Samantha Cristoforetti previsiblemente asumirá el mando de la Estación Espacial Internacional durante la expedición 68a, en virtud de un acuerdo de principio adoptado por los socios internacionales el día 19 de mayo, pendiente de la consolidación de los planes operativos y las fechas de lanzamientoContinuar Leyendo
París, May 27, 2021.- This spectacular image from the NASA/ESA Hubble Space Telescope shows the trailing arms of NGC 2276, a spiral galaxy 120 million light-years away in the constellation of Cepheus. At first glance, the delicate tracery of bright spiral arms and dark dust lanes resembles countless other spiralContinuar Leyendo
Seeing, hearing, thinking, daydreaming — doing anything at all, in fact — activates neurons in the brain. But for people predisposed to developing brain tumors, the ordinary buzzing of their brains could be a problem. A study by researchers at Washington University School of Medicine in St. Louis and StanfordContinuar Leyendo
