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New study yields insights into chronic rejection after lung transplantation  

Identification of protein signatures of remodeled airways may help develop therapies to improve long-term outcomes, according to new research.

what do you think?

2021-08-04 21:43:37



Space scientists reveal secret behind Jupiter's 'energy crisis'  

New research has revealed the solution to Jupiter's 'energy crisis', which has puzzled astronomers for decades.

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2021-08-04 20:47:07



Researchers develop coating for endotracheal tubes that releases antimicrobial peptides  

In a proof-of-concept study, researchers have created a coating that can be applied to endotracheal tubes and release antimicrobial peptides that target infectious bacteria with specificity. The innovation could reduce upper-airway bacterial inflammation during intubation, a situation that can lead to chronic inflammation and a condition called subglottic stenosis, the narrowing of the airway by an accumulation of scar tissue.

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2021-08-04 20:13:22



Towards next-gen computers: Mimicking brain functions with graphene-diamond junctions  

The human brain holds the secret to our unique personalities. But did you know that it can also form the basis of highly efficient computing devices? Researchers recently showed how to do this, through graphene-diamond junctions that mimic some of the human brain's functions.

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2021-08-04 20:05:32



Built-in vibration control may help soundproof spaces  

A different kind of design for absorbing vibrations could help better soundproof walls and make vehicles more streamlined, a new study shows.

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2021-08-04 19:56:07



Researchers use AI to unlock the secrets of ancient texts  

Researchers at University of Notre Dame are developing an artificial neural network to read complex ancient handwriting based on human perception to improve capabilities of deep learning transcription.

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2021-08-04 19:41:42



Crawling important step in development of risk perception  

The more crawling experience a baby has, the more likely they are to avoid falling into water, a new study shows.

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2021-08-04 18:25:32



'Triple contagion': How fears influence coronavirus transmission  

A new mathematical model for predicting infectious disease outbreaks incorporates fear -- both of disease and of vaccines -- to better understand how pandemics can occur in multiple waves of infections, like those we are seeing with COVID-19.

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2021-08-04 15:56:33



New therapeutic target discovered for a number of aggressive cancers  

An RNA-modifying protein elevated in some aggressive cancers has been shown to be a promising target for new drug development.

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2021-08-04 15:45:38



Changes in lung tissue indicate preparation for supporting the growth of disseminated breast cancer cells  

A new study has revealed changes in healthy lung tissue which indicate preparation to receive metastases. The changes were identified in the area known as 'the micro-environment' of the tumor, and specifically in connective tissue known as fibroblasts.

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2021-08-04 15:08:34



Flexible, wearable X-ray detector doesn't require heavy metals  

X-ray imaging is a fast and painless way for doctors to see inside a person. But radiation detectors, which go under the body part being imaged, are rigid panels that contain harmful heavy metals, such as lead and cadmium. Now, researchers report a proof-of-concept wearable X-ray detector prepared from nontoxic metal-organic frameworks (MOFs) layered between flexible plastic and gold electrodes for high-sensitivity sensing and imaging.

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2021-08-04 15:01:54



Connective issue: AI learns by doing more with less  

New research reveals constraints can lead to learning in AI systems.

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2021-08-04 14:34:55



Long COVID uncommon in children, analysis finds  

Fewer than one in 20 children with symptomatic COVID-19 experienced symptoms lasting longer than 4 weeks, and almost all children have fully recovered by 8 weeks, a new study has found.

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2021-08-04 14:33:52



Artificial pancreas trialled for outpatients with type 2 diabetes  

An artificial pancreas could soon help people living with type 2 diabetes and who also require kidney dialysis. Tests show that the device can help patients safely and effectively manage their blood sugar levels and reduce the risk of low blood sugar levels.

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2021-08-04 13:36:14



The waste product which could help mitigate climate change  

Biochar can boost crop yields in poor soils and help stop the effects of climate change, study finds.

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2021-08-04 13:32:58



Flu shot protects against severe effects of COVID-19, study finds  

Researchers have shown that the flu vaccine may provide vital protection against COVID-19.

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2021-08-04 12:57:09



Governor Makes Personal Plea to Reluctant Arkansans to Get Vaccinated  

The Republican went to Blytheville, Texarkana and other municipalities in the state to allay people’s fears -- Read more on ScientificAmerican.com

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2021-08-04 12:42:48



Near-atomic look at three ways to thwart SARS-CoV-2 variants  

A structural analysis of llama-derived nanobodies interacting with SARS-CoV-2 describes three mechanisms the microscopic molecules use to disarm the virus and its variants, pointing to new therapeutic possibilities -- including a universal coronavirus vaccine.

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2021-08-04 12:38:24



The Secret behind Songbirds' Magnetic Migratory Sense  

A molecule found in the retinas of European robins seems to be able to sense weak magnetic fields, such as that of Earth, after it is exposed to light. -- Read more on ScientificAmerican.com

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2021-08-04 12:03:34



Nanotech device can detect risk for serious complication during pregnancy  

Researchers have developed a new way to detect a potentially life-threatening condition that can occur during pregnancy. The condition, placenta accreta spectrum disorder, occurs when the placenta grows too deeply into the uterine wall and fails to detach from the uterus after childbirth. It can lead to significant blood loss during pregnancy and delivery, requiring blood transfusions and intensive care, and it can result in serious illness and infection and can even be fatal for the mother. The

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2021-08-04 11:41:54



Study identifies DNA signatures linked to heart disease  

A new study identifies DNA signatures associated with risk for cardiovascular disease, a discovery that could lead to opportunities for clinical intervention years before symptoms manifest.

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2021-08-04 11:35:24



Study reveals how smell receptors work  

The first-ever molecular images of an olfactory receptor at work answer decades-old questions about odor recognition.

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2021-08-04 11:32:16



Frequent consumption of peanuts by cancer patients may increase risk of cancer spread, study finds  

A study has identified new factors accompanying previous findings that frequent consumption of peanuts by cancer patients could increase risk of cancer spread.

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2021-08-04 10:50:50



'Breakthrough' Infections Do Not Mean COVID Vaccines Are Failing  

Getting flu again postinoculation is more common than a return case after a COVID shot -- Read more on ScientificAmerican.com

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2021-08-04 10:46:44



Basic research involving embryos provides a solid basis for developing better infertility treatments  

Researchers are comprehensively surveying the short RNA molecules that regulate genome function during embryonic development. Information gained from human ova and embryos helps to understand problems occurring during pregnancy and develop increasingly effective infertility treatments.

what do you think?

2021-08-04 10:36:44



Study reveals what triggers lung damage during COVID-19  

Researchers found that a specific subtype of macrophages that originated from blood monocytes plays a key role in the hyper-inflammatory response in SARS-CoV-2 infected lungs, by performing single-cell RNA sequencing of bronchoalveolar lavage fluid cells. This study provides new insights for understanding dynamic changes in immune responses to COVID-19.

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2021-08-04 10:35:39



ArtSea Ink: A colorful, seaweed-based ink for 3D printing  

Some artists are embracing 3D printing as a new medium, allowing them to create intricate 3D compositions that are difficult to produce in any other way. But the rigid, plastic-based materials used in many 3D printers require high heat for workability. Now, researchers reporting in ACS Omega have developed a colorful new ink for 2D and 3D art made of mica pigments in alginate, a sugar from seaweed that forms a stable gel without heat.

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2021-08-04 10:34:27



Visualizing stress in plastics  

Researchers have developed dyes that continuously translate stress in plastics by changing color.

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2021-08-04 10:33:27



Promoting biodiversity-friendly landscapes - beyond organic farming  

Is organic farming the only alternative to conventional agriculture to promote biodiversity in agricultural landscapes? An international research team questions this. According to the authors, a landscape mosaic of natural habitats and small-scale and diverse cultivated areas is the key to promoting biodiversity on a large scale in both conventional and organic agriculture. They state that political decision-makers will have to recognize this in order to achieve a corresponding paradigm shift in

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2021-08-04 10:24:37



New genes linked to longer reproductive lifespan in women  

Scientists have identified nearly 300 gene variations that influence reproductive lifespan in women. Additionally, in mice, they have successfully manipulated several key genes associated with these variants to extend their reproductive lifespan. Their findings substantially increase our knowledge of the reproductive ageing process, as well as providing ways to improve the prediction of which women might reach menopause earlier than others.

what do you think?

2021-08-04 10:13:37



Marijuana-like brain substance calms seizures but increases aftereffects, study finds  

Release of the brain's equivalent of THC, marijuana's active component, reduces seizure activity but leads to post-seizure oxygen deprivation in the brain, scientists have shown.

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2021-08-04 10:09:23



A machine learning approach for predicting risk of schizophrenia using a blood test  

An innovative strategy that analyzes a region of the genome offers the possibility of early diagnosis of schizophrenia.

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2021-08-04 09:28:28



Lava lamp tectonics: Research suggests giant blobs of subducted sediment float up through deep Earth  

Sand and mud subducted off the coast of California around 75 million years ago returned to the Earth's crust by rising up through the mantle as enormous diapirs, like blobs in a lava lamp, new research shows.

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2021-08-04 09:05:09



Study reports repair of mitochondrial recycling defect linked to Parkinson's disease  

A study in mice shows that an experimental small molecule helped restore the removal of damaged mitochondria from dopamine-producing brain cells.

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2021-08-04 08:58:03



Losses of eelgrass beds give rise to large emissions of carbon and nutrients  

Losses of important eelgrass meadows in western Sweden since the 1980s have led to considerable bottom erosion and the release of carbon and nitrogen; substances that contribute to increasing climate change and eutrophication.

what do you think?

2021-08-04 08:53:47



Nearby star resembles ours in its youth  

New research provides a closer look at a nearby star thought to resemble our young Sun. The work allows scientists to better understand what our Sun may have been like when it was young, and how it may have shaped the atmosphere of our planet and the development of life on Earth.

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2021-08-04 08:51:10



Illuminating tissue formation  

Researchers have developed a molecule that fluoresces where new tissue is forming in the body. Alongside helping to detect tumors, the molecule could play a significant role in research of wound healing disorders.

what do you think?

2021-08-04 08:08:33



Dissolvable smartwatch makes for easier electronics recycling  

Small electronics, including smartwatches and fitness trackers, aren't easily dismantled and recycled. So when a new model comes out, most users send the old devices into hazardous waste streams. To simplify small electronics recycling, researchers have developed a two-metal nanocomposite for circuits that disintegrates when submerged in water. They demonstrated the circuits in a prototype transient device -- a functional smartwatch that dissolved within 40 hours.

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2021-08-04 08:06:26



137 human genomes from the Middle East fill gaps in human history  

Whole-genome sequencing efforts around the world have offered important insights into human diversity, historical migrations, and the relationships between people of different regions -- but scientists still don't have a complete picture because some regions and people remain understudied. A new study helps to fill one of these big gaps by generating more than 100 high-coverage genome sequences from eight Middle Eastern populations using linked-read sequencing.

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2021-08-04 07:35:03



Physical activity jolts brain into action in the event of depression  

The dual beneficial effect of physical activity in depression is confirmed by a new study: physical activity not only reduces depressive symptoms. It also increases the brain's ability to change.

what do you think?

2021-08-04 06:26:21



Common weight-loss drug successfully targets fat that can endanger heart health  

Researchers have announced successful results of a clinical trial for a commonly prescribed weight-loss drug called liraglutide. In adults who are overweight or have obesity combined with high cardiovascular risk, once-daily liraglutide combined with lifestyle interventions significantly lowered two types of fat that have been associated with risk to heart health: visceral fat and ectopic fat.

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2021-08-04 05:54:52



Fine particulate air pollution associated with higher risk of dementia  

Using data from two large, long-running study projects in the Puget Sound region -- one that began in the late 1970s measuring air pollution and another on risk factors for dementia that began in 1994 -- researchers identified a link between air pollution and dementia.

what do you think?

2021-08-04 05:39:40



Study tracks global death toll of COVID-19 pandemic  

Using the World Mortality Dataset, the largest existing collection of mortality data, researchers have tracked the impact of COVID-19 across more than 100 countries.

what do you think?

2021-08-04 05:24:06



How landscapes of fear affect the songbirds in our backyards  

A team of researchers has recently discovered that fear plays an important, unrecognized role in the underdevelopment, and increased vulnerability, of backyard songbirds.

what do you think?

2021-08-04 05:19:10



'Where does it hurt?' predicts chronic pain outcomes, study shows  

Pain distribution as reported on a body map, on its own, can be used to assign patients to distinct subgroups that are associated with differences in pain intensity, pain quality, pain impact and clinically-relevant three-month outcomes, according to a new study.

what do you think?

2021-08-04 04:22:19



High-dose gait training with robotic exoskeleton may improve function after acute stroke  

Researchers report advances in inpatient rehabilitation for acute stroke. Their findings indicate early intervention using the robotic exoskeleton for high-dose gait training may improve function.

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2021-08-04 04:16:45



Breath test to determine correct treatment for epilepsy  

Researchers have developed a new test method to measure treatment success in epilepsy patients. They hope that this will enable doctors to react more precisely when treating the disease.

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2021-08-04 04:04:31



Toward a COVID-19 breathalyzer for kids  

Adults infected with SARS-CoV-2 exhale different metabolites in their breath than uninfected people. Now, researchers have shown that children infected with SARS-CoV-2 also show breath metabolite changes, but they're largely different from the ones in adults. Someday, this information could be used to quickly and easily screen children for infection, the researchers say.

what do you think?

2021-08-04 03:36:37



Early molten moon's deep secrets  

Recently, a pair of NASA studies identified the most likely locations to find pieces of the Moon's mantle on the surface, providing a map for future lunar sample return missions such as those under NASA's Artemis program. If collected and analyzed, these fragments from deep within the Moon can provide a better understanding of how the Moon, the Earth, and many other solar system worlds evolved.

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2021-08-04 02:36:55



Why Do People Love Getting Compliments?  

Compliments have the ability to do more than just make your day. Research shows that receiving genuine compliments can boost your health and enhance performance.

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2021-08-04 02:23:38



See Ominous Supercell Storm Clouds as They Barrel across the U.S.  

These storms can unleash hail, lighting and—most notoriously—tornadoes -- Read more on ScientificAmerican.com

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2021-08-04 02:14:45



Insight into underlying causes of seizure disorder in babies  

Researchers report that infantile spasms, a rare but serious seizure disorder in babies, appear to be the result of a molecular pathway gone awry. In their study of a mouse model of the disorder, the researchers discovered that genetic mutations associated with the disease impair a pathway that is involved in building new synapses in the hippocampus, a brain region essential to learning and memory.

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2021-08-03 21:33:50



'Hey, do you have a second?'— The upside of workplace interruptions  

A new study finds that work place interruptions are beneficial to a sense of belonging and can counterbalance negatives such as lost productivity.

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2021-08-03 20:38:26



Does visual feedback of our tongues help in speech motor learning?  

When we speak, we use our auditory and somatosensory systems to monitor the results of the movements of our tongue or lips. Since we cannot typically see our own faces and tongues while we speak, however, the potential role of visual feedback has remained less clear. Researchers explore how readily speakers will integrate visual information about their tongue movements during a speech motor learning task.

what do you think?

2021-08-03 19:04:40



Novel therapy shows promise for lung cancer patients with rare EGFR mutation  

Researchers report on a multinational, early phase clinical trial evaluating a new targeted therapy for patients with metastatic or unresectable non-small cell lung cancer who have a specific genetic mutation: EGFR Ex20Ins.

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2021-08-03 18:23:24



New study details enzyme that allows coronavirus to resist antiviral medications  

A new study details the structure of a critical enzyme present in SARS-CoV-2, the coronavirus that causes COVID-19. This enzyme removes nucleoside antiviral medications from the virus's RNA, rendering many treatments ineffective. Scientists could use data uncovered in the new study to find ways to inhibit the enzyme, possibly leading to more effective treatments.

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2021-08-03 16:52:07



New tool enables mapping of protein interaction networks at scale  

Bioengineers have developed a technology capable of revealing the protein-protein interactions (PPI) among thousands of proteins in a cell, in a single experiment. The tool, called PROPER-seq (protein-protein interaction sequencing), allows researchers to map the PPI network from their cells of interest within several weeks, without any specialized resources such as antibodies or pre-made gene libraries.

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2021-08-03 15:11:46



New approach opens window into life below the seafloor  

Scientists studied microorganisms from an underwater mountain in the Atlantic Ocean, pioneering a method that could open new windows into our understanding of how life survives deep under the sea -- or in space.

what do you think?

2021-08-03 15:09:34



Tracking circadian rhythms from your smartwatch  

Smartwatches are handy devices for people to keep track of the number of steps they take per day or to track their mile time during a run. But they are also opportunities for scientists to understand people's physiological processes while they are going about their everyday lives.

what do you think?

2021-08-03 14:37:07



Fermented Foods: Japan's Secret to Good Health?  

Should you add a little nattо̄ to your life?

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2021-08-03 13:55:53



Productivity of kelp forests, sans the iconic kelp  

A lush canopy is a defining feature of most of the planet's forests. But canopy-forming species can be particularly vulnerable to disturbances and environmental change. So the question is: What is a forest without its trees?

what do you think?

2021-08-03 13:25:13



Deaf Children in Developing Countries Are Getting Inferior Cochlear Implants  

The technology they receive is often obsolete or has never been used in wealthier nations -- Read more on ScientificAmerican.com

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2021-08-03 13:09:48



Neanderthals indeed painted Andalusia's Cueva de Ardales  

The origin and date of appearance of prehistoric cave art are the subjects of ongoing debate. Spain's Cueva de Ardales is one point of discussion. There a flowstone formation is stained red in places. This coloring is apparently almost 65,000 years old but until now, a part of the scientific community attributed it to a natural coating of iron oxide deposited by flowing water. However, that hypothesis has just been rejected.

what do you think?

2021-08-03 12:53:50



What's killing coral reefs in Florida is also killing them in Belize  

Only 17 percent of live coral cover remains on fore-reefs in Belize. A study finds new evidence that nitrogen enrichment from land-based sources like agriculture run-off and sewage, are significantly driving macroalgal blooms to increase on the Belize Barrier Reef and causing massive decline in hard coral cover. With only 2 percent of hard coral cover remaining in the Florida Keys National Marine Sanctuary, it's too late to save that reef, but there's still hope for the Belize Barrier Reef.

what do you think?

2021-08-03 12:28:44



Running quantum software on a classical computer  

Physicists have introduced an approach for simulating the quantum approximate optimization algorithm using a traditional computer. Instead of running the algorithm on advanced quantum processors, the new approach uses a classical machine-learning algorithm that closely mimics the behavior of near-term quantum computers.

what do you think?

2021-08-03 12:26:30



Emperor penguins increasingly threatened by climate change  

A new study provides valuable new data that highlights how species extinction risk is accelerating due to rapid climate change and an increase in extreme climate events, such as glacial calving and sea ice loss.

what do you think?

2021-08-03 12:20:56



Semi-natural habitat patches complement flower strips in protecting pollinators  

Ecologists observe the diversity of insects on the edge of apple orchards on Lake Constance.

what do you think?

2021-08-03 12:11:14



Non-invasive method for diagnosing celiac disease  

Researchers have now developed a non-invasive method to help diagnose celiac disease and which uses saliva. This research has shown that it is possible to considerably reduce the number of endoscopies, which are currently carried out via a non-invasive method of diagnosis.

what do you think?

2021-08-03 12:06:48



Miniature brain models developed to study causes of Alzheimer's disease and to test drugs in development  

Researchers have developed a powerful miniature brain platform to study the mechanistic causes of Alzheimer's disease and to test dementia drugs in development.

what do you think?

2021-08-03 11:33:15



New viable means of storing information for quantum technologies?  

Quantum information could be behind the next technological revolution. By analogy with the bit in classical computing, the qubit is the basic element of quantum computing. However, demonstrating the existence of this information storage unit and using it remains complex, and hence limited. An international research team used theoretical calculations to show that it is possible to realize a new type of qubit, in which information is stored in the oscillation amplitude of a carbon nanotube.

what do you think?

2021-08-03 11:02:46



Holistic assessment of plastic pollution in the Caribbean  

New research has resulted in the first holistic assessment of marine and land-based plastic pollution in the Southern Caribbean and some of the environmental and human factors which might influence its distribution.

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2021-08-03 11:01:33



Cryptic transcription, a novel phenomenon in mammalian stem cells, linked to aging  

Researchers have discovered that a cellular phenomenon called cryptic transcription, which had been previously described and linked to aging in yeasts and worms, is also involved in mammalian aging. They also discovered a mechanism that triggers the phenomenon in mammals.

what do you think?

2021-08-03 10:58:46



Hunting for TB's most vulnerable genes  

Not every gene that's essential in tuberculosis is also vulnerable to attack. A new study ranks essential genes by vulnerability, allowing researchers to better prioritize future drug targets.

what do you think?

2021-08-03 10:39:59



State of the science on western wildfires, forests and climate change  

Seeing the urgent need for change, a team of scientists from leading research universities, conservation organizations and government laboratories across the West has produced a synthesis of the scientific literature that clearly lays out the established science and strength of evidence on climate change, wildfire and forest management for seasonally dry forests. The goal is to give land managers and others across the West access to a unified resource that summarizes the best-available science s

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2021-08-03 10:34:27



A study identified 15 novel biomarkers for diseases predisposing to dementia  

A study provides new data on potential aetiological mechanisms that are linked with dementia caused by diseases, such as Alzheimer's and vascular dementia.

what do you think?

2021-08-03 10:25:51



New method to detect impact of sea level rise  

Scientists have developed a new simple, inexpensive and fast method to analyze sulfur isotopes, which can be used to help investigate chemical changes in environments such as oceans, and freshwater rivers and lakes.

what do you think?

2021-08-03 10:02:58



Bird and mammal diversity is declining with biological invasions  

The introduction of invasive species leads to a decline in certain native species: a team of researchers has managed to show that 11% of the global phylogenetic diversity of birds and mammals, in other words their accumulated evolutionary history, is threatened by biological invasions. Their ability to adapt to environmental changes could thus be largely lost due to biological invasions.

what do you think?

2021-08-03 09:50:11



Trains in the brain -- Scientists uncover switching system used in information processing and memory  

A team of scientists has uncovered a system in the brain used in the processing of information and in the storing of memories -- akin to how railroad switches control a train's destination.

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2021-08-03 09:17:11



The music of silence: Imagining a song triggers similar brain activity to moments of mid-music silence  

Imagining a song triggers similar brain activity as moments of silence in music, according to new research. The results reveal how the brain continues responding to music, even when none is playing, and provide new insights into how human sensory predictions work.

what do you think?

2021-08-03 08:50:07



Preoperative screening urinalysis is widely used—but usually unnecessary, study finds  

Clinicians frequently order preoperative urinalyses for patients scheduled to undergo many common procedures. A new study finds that nearly nine out of 10 of preoperative urinalyses are unnecessary. Overuse of low-value screening test wastes money, can harm patients and may contribute to the growing problem of antibiotic resistance.

what do you think?

2021-08-03 08:42:43



Future Space Travel Might Require Mushrooms  

The mycologist Paul Stamets discusses the potential extraterrestrial uses of fungi, including terraforming planets, building human habitats—and providing psilocybin therapy to astronauts -- Read more on ScientificAmerican.com

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2021-08-03 08:30:44



Rethinking remdesivir: Researchers modify current drug, creating oral version that can be taken earlier in COVID-19 diagnoses  

In a new paper, researchers describe cell and animal studies that demonstrate how lipid modifications of remdesivir nucleoside can improve drug delivery, effectiveness and toxicity compared to remdesivir.

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2021-08-03 08:21:36



Experimental model of ovarian cancer shows effect of healthy cell arrangement in metastasis  

A key element to slowing metastasis in ovarian cancer is understanding the mechanisms of how tumor cells invade tissues. Biophysics researchers explain how microscopic defects in how healthy cells line up can alter how easily ovarian cancer cells invade tissue. Using an experimental model, the group found that disruptions in the normal cellular layout, called topological defects, affect the rate of tumor cell invasion.

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2021-08-03 07:12:06



An overactive sweet tooth may spell trouble for our cellular powerplants  

The average American eats roughly 22 teaspoons of added sugar a day -- more than three times the recommended amount for women and more than double the recommended amount for men. Although this overconsumption is known to contribute to diabetes and other disorders, the exact ways in which eating too much sugar sets the stage for metabolic diseases on a cellular level has been less clear. Now, a team has found that surplus sugar may cause our cellular powerplants -- called mitochondria -- to becom

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2021-08-03 06:58:08



See Ominous Supercell Stormclouds as They Barrel across the U.S.  

These storms can unleash hail, lighting and—most notoriously—tornadoes -- Read more on ScientificAmerican.com

what do you think?

2021-08-03 05:43:53



Researchers discover key stem cell dormancy mechanism which could help unlock future cancer treatments  

Researchers have made new findings which provide a broader understanding of how dormant hematopoietic stem cells are activated and could pave the way towards therapeutic treatments for a number of cancers.

what do you think?

2021-08-03 05:39:40



After 60 years, scientists find the missing link in our body's blood pressure control  

Researchers have determined the location of natural blood-pressure barometers inside our bodies that have eluded scientists for more than 60 years.

what do you think?

2021-08-03 05:38:30



Is reducing opioids for pain patients linked to higher rates of overdose and mental health crisis?  

A new study found a 68% increase in overdose events and a doubling of mental health crises among patients who were on stable opioid therapy but had their doses tapered.

what do you think?

2021-08-03 04:57:16



Artificial stomach reveals fluid dynamics of food digestion  

Scientists have extensively studied how gastric juices in the stomach break down ingested food and other substances. However, less is known about how complex flow patterns and mechanical stresses in the stomach contribute to digestion. Researchers built a prototype of an artificial antrum to present a deeper understanding of how physical forces influence food digestion based on fluid dynamics. They reveal a classifying effect based on the breakup of liquid drops combined with transport phenomena

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2021-08-03 04:54:58



Statins may improve survival for triple-negative breast cancer patients  

A new study found a significant association between cholesterol-lowering drugs commonly known as statins and survival rates of triple-negative breast cancer patients. Since statins are low in cost, easy to access and produce minimal side effects, this could have an important impact on outcomes for this aggressive disease.

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2021-08-03 04:17:31



5G Wireless Could Interfere with Weather Forecasts  

Satellite tracking of water vapor, critical for accurate forecasts, may be foiled by cellphone tower transmissions -- Read more on ScientificAmerican.com

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2021-08-03 03:30:09



Learning foreign languages can affect the processing of music in the brain  

Research has shown that a music-related hobby boosts language skills and affects the processing of speech in the brain. According to a new study, the reverse also happens -- learning foreign languages can affect the processing of music in the brain.

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2021-08-03 02:55:26



Exercise improves health through changes on DNA  

Six weeks of physical exercise led to changes in the epigenetic information of skeletal muscle cells in young men. These changes took place in areas of the genome that have been linked to disease. Scientists say their research shows how exercise remodels DNA in skeletal muscle, so that new signals are established to keep the body healthy.

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2021-08-03 01:47:45



Kratom: What Does Science Say About the Controversial Botanical?  

The internet is flooded with contradictory information about Mitragyna speciosa, leaving consumers confused.

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2021-08-03 01:45:35



Two new genera and species of conifers discovered from upper Cretaceous in Hokkaido, Japan  

Paleobotanists describe two new genera of ancient conifers based on two beautifully preserved 3-D fossil seed cones. These new conifers belong to the cypress family, which was important in many ecosystems during the age of dinosaurs.

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2021-08-03 01:34:46



How sex cells get the right genetic mix – An interdisciplinary approach solves a century-old puzzle  

A new discovery explains what determines the number and position of genetic exchanges that occur in sex cells, such as pollen and eggs in plants, or sperm and eggs in humans.

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2021-08-03 01:33:42



Cutting 250 calories daily and exercising may improve heart health in obese older adults  

Among older adults with obesity, combining aerobic exercise with moderate reductions in total daily calories led to greater improvements in vascular health compared to exercise alone. Reducing calorie intake by approximately 250 calories per day may lead to significant weight loss and improve vascular health in older adults with obesity.

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2021-08-02 19:31:55



Finding the cause of a fatal problem in rocket engine combustors  

A vital piece of gas engines, combustors -- the chambers in which the combustion powering the engine occurs -- have the problem of breaking down due to fatal high-frequency oscillations during the combustion process. Now, through advanced time-series analyses based on complex systems, researchers have found what causes them, opening up novel paths to solving the problem.

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2021-08-02 18:59:30



Like matryoshka dolls: One insect species introduced decades ago to a small island had an effect on several insect populations  

Researchers thought 30 years ago that they just introduced some Glanville fritillary butterfly larvae on a small island in the Åland islands, Finland. Little did they know that within the butterfly larvae there nested two other insect species and a bacterial symbiont. This created a unique opportunity to study how a local accidental introduction of insects can affect the dynamics and genetics of the neighbouring populations.

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2021-08-02 18:26:41



How headless hydra feel, react to prodding  

Researchers identify redundant neural networks in jellyfish-like, freshwater hydra. The work is a step toward modeling how internal states and external stimuli shape the behavior of an organism with a highly dynamic neural architecture.

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2021-08-02 17:47:37






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