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Further evidence does not support hydroxychloroquine for patients with COVID-19 Posted: 15 May 2020 02:44 PM PDT The anti-inflammatory drug hydroxychloroquine does not significantly reduce admission to intensive care or death in patients hospitalized with pneumonia due to COVID-19, finds a study from France. And a randomized clinical trial from China shows that hospitalized patients with mild to moderate persistent covid-19 who received hydroxychloroquine did not clear the virus more quickly than those receiving standard care. |
Modern sea-level rise linked to human activities Posted: 15 May 2020 11:46 AM PDT New research reaffirms that modern sea-level rise is linked to human activities and not to changes in Earth's orbit. Surprisingly, the Earth had nearly ice-free conditions with carbon dioxide levels not much higher than today and had glacial periods in times previously believed to be ice-free over the last 66 million years, according to a new article. |
Posted: 15 May 2020 11:46 AM PDT Moisture is the main environmental factor that triggers the degradation of the masterpiece The Scream (1910) by Edvard Munch, according to new findings using a combination of in situ non-invasive spectroscopic methods and synchrotron X-ray techniques. |
COVID-19 infection control, radiographer protection in CT exam areas Posted: 15 May 2020 10:54 AM PDT Radiologists from Shanghai discuss modifying exam process and disinfecting exam room, while outlining personal protection measures during the coronavirus disease outbreak. |
Early humans thrived in this drowned South African landscape Posted: 15 May 2020 10:19 AM PDT Scientists have reconstructed the paleoecology the Paleo-Agulhas Plain, a now-drowned landscape on the southern tip of Africa that was high and dry during glacial phases of the last 2 million years and may have been instrumental in shaping the evolution of early modern humans. |
The dreaming brain tunes out the outside world Posted: 15 May 2020 10:19 AM PDT Scientists have shown that the brain suppresses information from the outside world, such as the sound of a conversation, during the sleep phase linked to dreaming. This ability could be one of the protective mechanisms of dreams. |
Scientists break the link between a quantum material's spin and orbital states Posted: 15 May 2020 10:19 AM PDT Until now, electron spins and orbitals were thought to go hand in hand in a class of materials that's the cornerstone of modern information technology; you couldn't quickly change one without changing the other. But a new study shows that a pulse of laser light can dramatically change the spin state of one important class of materials while leaving its orbital state intact. |
Blood clotting abnormalities reveal COVID-19 patients at risk for thrombotic events Posted: 15 May 2020 10:19 AM PDT A new article highlights early research on blood clotting evaluation work that may help identify and treat dangerous complications of the infection. |
Shrub encroachment on grasslands can increase groundwater recharge Posted: 15 May 2020 10:19 AM PDT A new study modeled shrub encroachment on a sloping landscape and reached a startling conclusion: Shrub encroachment on slopes can increase the amount of water that goes into groundwater storage. The effect of shrubs is so powerful that it even counterbalances the lower annual rainfall amounts expected during climate change. |
Eavesdropping on single molecules with light by replaying the chatter Posted: 15 May 2020 08:56 AM PDT Scientists have pioneered a new technique to expose hidden biochemical pathways involving single molecules at the nanoscale. |
Model of critical infrastructures reveals vulnerabilities Posted: 15 May 2020 08:56 AM PDT Researchers developed a computer simulation that revealed beef supply chain vulnerabilities that need safeguarding -- a realistic concern during the COVID-19 pandemic. |
Global cooling event 4,200 years ago spurred rice's evolution, spread across Asia Posted: 15 May 2020 08:56 AM PDT A major global cooling event that occurred 4,200 years ago may have led to the evolution of new rice varieties and the spread of rice into both northern and southern Asia, an international team of researchers has found. |
Heart attacks, heart failure, stroke: COVID-19's dangerous cardiovascular complications Posted: 15 May 2020 08:56 AM PDT A new guide from emergency medicine doctors details the potentially deadly cardiovascular complications COVID-19 can cause. |
Antiviral drug can speed up recovery of COVID-19 patients, study shows Posted: 15 May 2020 07:39 AM PDT Research shows for the first time that interferon-alpha2b improves virus clearance and decreases levels of inflammatory markers in COVID-19 patients. |
Innovative virus research may save wheat and other crops Posted: 15 May 2020 07:39 AM PDT Scientists have solved a 20-year-old genetics puzzle that could result in ways to protect wheat, barley, and other crops from a devastating infection. |
Social good creates economic boost Posted: 15 May 2020 07:39 AM PDT As unemployment rates skyrocket around the world due to the COVID-19 pandemic, a new study out of Australia and Sweden has found social venture start-ups not only alleviate social problems but are also much more important for job creation than previously thought. |
Quantifying the impact of interventions in COVID-19 pandemic Posted: 15 May 2020 07:39 AM PDT Since the beginning of March, public life in Germany has been severely restricted due to the coronavirus pandemic. Following the encouraging decline in the number of new cases of COVID-19, the debate on the effectiveness of interventions taken to date and on further relaxation of the restrictions is meanwhile gaining momentum. |
Pine martens like to have neighbors -- but not too near Posted: 15 May 2020 07:39 AM PDT Pine martens need neighbors but like to keep their distance, according to new research. |
Detailed analysis of immune response to SARS-CoV-2 bodes well for COVID-19 vaccine Posted: 15 May 2020 06:20 AM PDT A new study documents a robust antiviral immune response to SARS-CoV-2 in a group of 20 adults who had recovered from COVID-19. The findings show that the body's immune system is able to recognize SARS-CoV-2 in many ways, dispelling fears that the virus may elude ongoing efforts to create an effective vaccine. |
A soft touch for robotic hardware Posted: 15 May 2020 05:57 AM PDT Robots can be made from soft materials, but the flexibility of such robots is limited by the inclusion of rigid sensors necessary for their control. Researchers created embedded sensors, to replace rigid sensors, that offer the same functionality but afford the robot greater flexibility. Soft robots can be more adaptable and resilient than more traditional rigid designs. The team used cutting-edge machine learning techniques to create their design. |
Malaria parasite ticks to its own internal clock Posted: 14 May 2020 11:35 AM PDT Researchers have long known that all of the millions of malaria parasites within an infected person's body move through their cell cycle at the same time. They multiply in sync inside red blood cells, then burst out in unison every few days. But how the parasites keep time was unclear. Now, a study finds that malaria has its own internal clock that causes thousands of genes to ramp up and down at regular intervals. |
SARS lessons for COVID-19 vaccine design Posted: 14 May 2020 08:58 AM PDT Important lessons learned from the Severe Acute Respiratory Syndrome (SARS) outbreak of 2002-2003 could inform and guide vaccine design for COVID-19, according to a new article. |
Global spread of the multi-resistant pathogen Stenotrophomonas maltophilia Posted: 14 May 2020 08:57 AM PDT Researchers have found a remarkable global spread of strains of a multi-resistant bacterium that can cause severe infections -- Stenotrophomonas maltophilia. The study provides for the first time a systematic understanding of the global phylogeny of S. maltophilia strains and shows ways to efficiently monitor the pathogen using a genomic classification system. |
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