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| Study finds novel evidence that dreams reflect multiple memories, anticipate future events Posted: 08 Jun 2021 05:37 PM PDT Dreams result from a process that often combines fragments of multiple life experiences and anticipates future events, according to novel evidence from a new study. |
| Researchers create intelligent electronic microsystems from 'green' material Posted: 08 Jun 2021 05:37 PM PDT A research team has created an electronic microsystem that can intelligently respond to information inputs without any external energy input, much like a self-autonomous living organism. The microsystem is constructed from a novel type of electronics that can process ultralow electronic signals and incorporates a device that can generate electricity 'out of thin air' from the ambient environment. |
| Keeping a closer eye on seabirds with drones and artificial intelligence Posted: 08 Jun 2021 05:37 PM PDT Drones and artificial intelligence can monitor large colonies of seabirds as well as traditional on-the-ground methods, while reducing costs, labor and the risk of human error, a new study finds. Scientists used an AI deep-learning algorithm to analyze more than 10,000 drone images of mixed colonies of seabirds in the Falkland Islands/Malvinas. The algorithm's automated counts closely matched human counts 90% of the time. |
| Peace accord in Colombia has increased deforestation of biologically-diverse rainforest Posted: 08 Jun 2021 12:45 PM PDT Since the end of the long-running conflict in Colombia, large areas of forest have been rapidly converted to agricultural uses, suggesting the peace agreement presents a threat to conservation the country's rainforest. |
| Taking short breaks may help our brains learn new skills Posted: 08 Jun 2021 12:45 PM PDT In a study of healthy volunteers, researchers have mapped out the brain activity that flows when we learn a new skill, such as playing a new song on the piano, and discovered why taking short breaks from practice is a key to learning. |
| A call for global oversight of unproven stem cell therapies Posted: 08 Jun 2021 12:44 PM PDT The promotion and marketing of unproven stem cell therapies is a global problem that needs a global solution, say experts. The authors of the paper call for the World Health Organization (WHO) to establish an advisory committee on regenerative medicine to tackle this issue and provide guidance for countries around the world. |
| 'Surfing' particles: Physicists solve a mystery surrounding aurora borealis Posted: 08 Jun 2021 12:44 PM PDT The spectacularly colorful aurora borealis -- or northern lights -- that fills the sky in high-latitude regions has fascinated people for thousands of years. Now, a team of scientists has resolved one of the final mysteries surrounding its origin. |
| Cosmic cartographers map nearby universe revealing the diversity of star-forming galaxies Posted: 08 Jun 2021 12:44 PM PDT A team of astronomers has completed the first census of molecular clouds in the nearby universe. The study produced the first images of nearby galaxies with the same sharpness and quality as optical imaging and revealed that stellar nurseries do not all look and act the same. In fact, they're as diverse as the people, homes, neighborhoods, and regions that make up our own world. |
| An unprecedented survey of the 'nurseries' where stars are born Posted: 08 Jun 2021 12:44 PM PDT Astronomers have taken a big step forward in understanding the dark and violent places where stars are born. Over the past five years, an international team of researchers has conducted the first systematic survey of 'stellar nurseries' across our part of the universe, charting the more than 100,000 of these nurseries across more than 90 nearby galaxies and providing new insights into the origins of stars. |
| Efficiently 'switching on' bacteria to produce high-value chemicals Posted: 08 Jun 2021 12:44 PM PDT High-value chemicals used in biofuels and pharmaceuticals can be made from bacteria by switching their chemistry to produce novel products. Researchers have found a way to drastically cut the cost of turning on these switches. |
| Archaeology uncovering lost Indigenous NE Florida settlement of Sarabay Posted: 08 Jun 2021 12:44 PM PDT Archaeology team is now fairly confident they have located the lost Indigenous northeast Florida community of Sarabay, a settlement mentioned in both French and Spanish documents dating to the 1560s but had not been discovered until now. |
| Absorbent aerogels show some muscle Posted: 08 Jun 2021 12:44 PM PDT A simple chemical process creates light and highly absorbent aerogels for environmental remediation or as membranes for batteries and other applications. |
| Discovery of circadian rhythm gene in mice could lead to breakthroughs Posted: 08 Jun 2021 12:44 PM PDT Scientists have identified a novel gene, Per2AS, that controls the sleep/wake cycle in mice. Per2AS appears to be a new type of gene, known as a non-coding gene. Unlike most other genes, Per2AS is not translated from RNA into a subsequent protein, thus making its function unclear until now. |
| Microgel coating gives donor cells a boost in reversing pulmonary fibrosis Posted: 08 Jun 2021 12:44 PM PDT Researchers have shown that even after lung tissue has been damaged, it may be possible to reverse fibrosis and promote tissue repair through treatment with microgel-coated mesenchymal stromal cells. |
| Monarchs raised in captivity can orient themselves for migration Posted: 08 Jun 2021 12:44 PM PDT Researchers found monarchs raised in captivity can successfully migrate if given time to orient themselves. They discovered this by equipping the butterflies with tiny radio transmitters and monitoring them for 200 km, debunking previous research that found the butterflies couldn't orient themselves. Monarchs released into the wild flew in the proper direction because they were exposed to natural sunlight cues allowing them to calibrate their internal compasses after being released. |
| Scientists develop the 'evotype' to unlock power of evolution for better engineering biology Posted: 08 Jun 2021 12:44 PM PDT Scientists have pioneered a new approach to help biological engineers both harness and design the evolutionary potential of new biosystems. Their concept of the 'evotype' lays a foundation for the next generation of stable, safe and self-improving biotechnologies. |
| From burglar alarms to black hole detectors Posted: 08 Jun 2021 12:44 PM PDT Last year a physicist proposed an experiment that could conclusively prove whether gravity is a quantum phenomenon. In a new article, he describes how two types of noise could be reduced and suggests that quantum interference could be applied in the production of a sensitive instrument that could detect movements of objects ranging from butterflies to burglars and black holes. |
| Cleaning up mining pollution in rivers Posted: 08 Jun 2021 12:44 PM PDT Mining involves moving a lot of rock, so some mess is expected. However, mining operations can continue to affect ecosystems long after activity has ended. Heavy metals and corrosive substances leach into the environment, preventing wildlife and vegetation from returning to the area. |
| UIC research paves way for next-generation of crystalline material screening devices Posted: 08 Jun 2021 12:44 PM PDT Researchers have developed a novel multi-well, continuous-flow microfluidic device that may help scientists and pharmaceutical companies more effectively study drug compounds and their crystalline shapes and structures, which are key components for drug stability. |
| Saving the climate with solar fuel Posted: 08 Jun 2021 08:33 AM PDT Produced in a sustainable way, synthetic fuels contribute to switching mobility to renewable energy and to achieving the climate goals in road traffic. In Empa's mobility demonstrator, move, researchers are investigating the production of synthetic methane from an energy, technical and economic perspective - a project with global potential. |
| Artificial intelligence enhances efficacy of sleep disorder treatments Posted: 08 Jun 2021 08:32 AM PDT An algorithm based on 20,000 nights of sleep that can improve the diagnosis, treatment and our overall understanding of sleep disorders has been developed. |
| Finding quasars: Rare extragalactic objects are now easier to spot Posted: 08 Jun 2021 08:32 AM PDT Astrophysicists have developed a new method for pinpointing the whereabouts of extremely rare extragalactic objects. They hope their technique for finding 'changing-look quasars' will take scientists one step closer to unraveling one of greatest mysteries of the universe - how supermassive black holes grow. Quasars are believed to be responsible for regulating the growth of supermassive black holes and their host galaxies. |
| The next 20 are years crucial in determining the future of coal Posted: 08 Jun 2021 08:32 AM PDT Decisions made now will determine whether economies win or lose money as the coal industry changes over the next couple of decades. |
| Motor neurons derived from patients point to new possible drug target for ALS Posted: 08 Jun 2021 08:32 AM PDT Researchers now report a high-throughput target and drug discovery platform using motor neurons made from ALS patients. Using the platform, they confirmed two known targets and identified an existing class of drugs -- agonists to the dopamine D2 receptor -- as potential novel treatments. |
| Preclinical study suggests new approach to reduce COVID-19 death among the elderly Posted: 08 Jun 2021 08:32 AM PDT New research reveals a possible new approach to preventing death and severe disease in elderly people infected with SARS-CoV-2. Researchers demonstrated in a preclinical study that senolytic drugs significantly reduced mortality upon infection from a beta-coronavirus closely related to SARS-CoV-2 in older mice. |
| Solving the structural mystery of glass Posted: 08 Jun 2021 08:32 AM PDT The detailed structure of glass has always been a mystery in science. A research team has now discovered that the amorphous and crystalline metallic glass have the same structural building blocks. And it is the connectivity between these blocks that distinguishes the crystalline and amorphous states of the material. |
| Discovery of a dying supermassive black hole via a 3,000-year-long light echo Posted: 08 Jun 2021 08:32 AM PDT Supermassive black holes (SMBH) occupy the center of galaxies, with masses ranging from one million to 10 billion solar masses. Some SMBHs are in a bright phase called active galactic nuclei (AGN). |
| New population of pygmy blue whales discovered with help of bomb detectors Posted: 08 Jun 2021 08:32 AM PDT Blue whales may be the biggest animals in the world, but they're also some of the hardest to find. A team of scientists are confident they've discovered a new population of pygmy blue whales, the smallest subspecies of blue whales, in the Indian Ocean. And it was the whales' powerful singing -- recorded by underwater bomb detectors -- that gave them away. |
| A drug from resin to combat epileptic seizures Posted: 08 Jun 2021 08:32 AM PDT New molecules have promising properties as possible drugs against epilepsy. A study shows that several of the molecules have antiseizure effects. |
| Researchers identify gene linked to congenital heart disease Posted: 08 Jun 2021 08:32 AM PDT New insight on the link between a gene called SORBS2 and congenital heart disease has been published, with findings that may help explain the cause of the disease in some patients. |
| Weak brain waves may warn of age-related neurodegenerative disease Posted: 08 Jun 2021 08:32 AM PDT Weakened electrical signals in the brain may be an early warning sign of age-related neurodegenerative diseases such as Alzheimer's disease. |
| Porpoises seem to cooperate in surprisingly sophisticated group hunting Posted: 08 Jun 2021 08:32 AM PDT Drone footage shows that porpoises may be more social and cooperative than previously thought. |
| Men with sensory loss are more likely to be obese Posted: 08 Jun 2021 08:32 AM PDT Men who suffer sensory loss, particularly hearing loss, are more likely to be physically inactive and obese than women, according to a new study. |
| Exercise likely to be best treatment for depression in coronary heart disease Posted: 08 Jun 2021 08:32 AM PDT A study indicates that exercise is probably the most effective short-term treatment for depression in people with coronary heart disease, when compared to antidepressants and psychotherapy or more complex care. |
| Earth's meteorite impacts over past 500 million years tracked Posted: 08 Jun 2021 08:32 AM PDT For the first time, a unique study has tracked the meteorite flux to Earth over the past 500 million years. Contrary to current theories, researchers have determined that major collisions in the asteroid belt have not generally affected the number of impacts with Earth to any great extent. |
| Deforestation darkening the seas above world's second biggest reef Posted: 08 Jun 2021 08:31 AM PDT Converting Central American tropical forests into agricultural land is changing the color and composition of natural material washing into nearby rivers, making it less likely to decompose before it reaches the ocean, a new study has shown. |
| Internal compression stocking helps against varicose veins Posted: 08 Jun 2021 08:31 AM PDT A new study finds that rather than destroying or removing defective veins, it is possible to repair them by using a sheath. They are thus saved for later use as a bypass. |
| First glimpse of brains retrieving mistaken memories observed Posted: 08 Jun 2021 06:22 AM PDT Scientists have observed for the first time what it looks like in the key memory region of the brain when a mistake is made during a memory trial. The findings have implications for Alzheimer's disease research and advancements in memory storage and enhancement, with a discovery that also provides a view into differences between the physiological events in the brain during a correct memory versus a faulty one. |
| Are heavy metals toxic? Scientists find surprising new clues in yeast Posted: 08 Jun 2021 06:22 AM PDT Scientists have compiled the most complete library yet of lanthanide heavy metals and their potential toxicity -- by exposing baker's yeast to lanthanides. Their findings could help researchers uncover hidden pathways between lanthanide metals and disease. |
| Snowflake morays can feed on land, swallow prey without water Posted: 08 Jun 2021 06:22 AM PDT A new study shows that pharyngeal jaws enable at least one species of moray eel to feed on land. |
| Sugar overload may be a recipe for long-term problems Posted: 08 Jun 2021 06:22 AM PDT Children who consume too much sugar could be at greater risk of becoming obese, hyperactive, and cognitively impaired, as adults, according to the results of a new study. |
| Facemasks block expired particles, despite leakage at edges, study finds Posted: 08 Jun 2021 06:18 AM PDT A new study confirms that surgical masks effectively reduce outgoing airborne particles from talking or coughing, even after allowing for leakage around the edges of the mask. |
| How COVID-19 wreaks havoc on human lungs Posted: 08 Jun 2021 05:40 AM PDT Scientists have published the first detailed atomic-level model of the SARS-CoV-2 'envelope' protein bound to a human protein essential for maintaining the lining of the lungs. The findings may speed the search for drugs to block the most severe effects of COVID-19. |
| Projected acidification of the Great Barrier Reef could be offset by ten years Posted: 08 Jun 2021 05:39 AM PDT New research has shown that by injecting an alkalinizing agent into the ocean along the length of the Great Barrier Reef, it would be possible, at the present rate of anthropogenic carbon emissions, to offset ten years' worth of ocean acidification. |
| Researchers discover a new cause for the cerebral cavernous malformation Posted: 08 Jun 2021 05:39 AM PDT Researchers have recently uncovered a new gene mutation responsible for the non-familial patients of cerebral cavernous malformation (CCM) -- a brain vascular disorder which inflicted about 10-30 million people in the world. |
| Scientists can predict which women will have serious pregnancy complications Posted: 08 Jun 2021 05:39 AM PDT Pregnancy disorders are usually diagnosed during the second or third trimester of gestation when they have often already had a serious impact on the health of the mother and baby. The current methods to diagnose pregnancy disorders are not sensitive or reliable enough to identify all at risk pregnancies. Now scientists have found a way to test hormone levels in the placenta to predict which women will have serious pregnancy complications. |
| Early endeavors on the path to reliable quantum machine learning Posted: 08 Jun 2021 05:39 AM PDT The future quantum computers should be capable of super-fast and reliable computation. Today, this is still a major challenge. Now, computer scientists conduct an early exploration for reliable quantum machine learning. |
| Experiments show natural selection opposes sexual selection Posted: 08 Jun 2021 05:39 AM PDT Natural selection can reverse evolution that occurs through sexual selection and this can lead to better females, new research shows. |
| Super productive 3D bioprinter could help speed up drug development Posted: 08 Jun 2021 05:39 AM PDT A new 3D bioprinter developed by nanoengineers operates at record speed -- it can print a 96-well array of living human tissue samples within 30 minutes. The technology could help accelerate high-throughput preclinical drug screening and make it less costly. |
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