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معظمها أوروبي وبعضها لا يستحق الجمعة - 29 ذو القعدة 1442 هـ - 09 يوليو 2021 مـ رقم العدد [ 15564] لوس أنجليس: محمد رُضا في نهاية كل مطاف، هناك النتائج ونتائج المهرجانات عموماً تتحكم بها لجان تحكيم تتألف من سينمائيين (ومن خارج المهنة السينمائية أحياناً) تجتمع وتتناقش وتوافق وتعترض ثم تقرر من...

Photo by Getty Images A Yale-Duke collaborative research team may have identified some of the first biomarkers linked to impaired lung function in long-term COVID-19 patients. Since the early months of the pandemic, scientists have tried to determine why some patients experience symptoms such as shortness of breath, cough, fever, fatigue, or chest pain weeks to months after their initial COVID-19 infection. What may drive or predict the persistence of long-term symptoms, also known as “post-acute sequelae of COVID-19,” remains poorly understood. A study published June 10 in the journal JC...

 E-Mail IMAGE: The microdiamonds used as biological tracers are about 200 microns across, less than one-hundredth of an inch. They fluoresce red but can also be hyperpolarized, allowing them to be detected... view more  Credit: Ashok Ajoy, UC Berkeley When doctors or scientists want to peer into living tissue, there's always a trade-off between how deep they can probe and how clear a picture they can get. With light microscopes, researchers can see submicron-resolution structures inside cells or tissue, but only as deep as the millimeter or so that light can penetrate without scatt...

UC Berkeley professor emeritus of chemistry and former director of Lawrence Berkeley National Laboratory, or Berkeley Lab, David Shirley died March 29 at the age of 87 due to age-related illnesses. Remembered by friends and colleagues as being someone with great scientific passion, ceaseless generosity and immense devotion to his students, Shirley made great contributions to his field throughout his time on campus. Among other achievements, Shirley helped pioneer research on electron spectroscopy and initiated the creation of Berkeley Lab’s Advanced Light Source, according to a campus press...