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Rich Americans Have Higher Carbon Footprints than Other Wealthy People  

Those with higher incomes are also responsible for more emissions than those with lower incomes -- Read more on ScientificAmerican.com

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2021-12-08 20:00:00



Four People, Four Different Paths Into Citizen Science  

Citizen Science: Stories of Science We Can Do Together! In it, host Bob Hirshon chatted with four citizen scientists about how they got their start in the community and how they share citizen science with others.

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2021-12-08 19:00:00



Abortion Doesn't Have to Be an Either-Or Conversation  

Treating the decision with nuance and care is essential to reproductive justice -- Read more on ScientificAmerican.com

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2021-12-08 18:30:00



International study supports dupilumab for treatment of moderate-to-severe asthma in children  

In a late-stage clinical trial, the biologic agent dupilumab reduced the rate of severe asthma attacks and improved lung function and asthma control for children ages 6 to 11. The findings of the international multicenter Liberty Asthma VOYAGE trial supported approval of dupilumab for the treatment of moderate-to-severe asthma in this age group by the Food and Drug Administration in October.

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2021-12-08 18:25:43



Prescribing the abortion pill without restrictions is safe and effective, study finds  

Abortion remains safe after Canada removed restrictions on the medical abortion pill mifepristone in November 2017, according to a new study. The study used comprehensive government health data to examine 315,000 abortions in Ontario between 2012 and 2020. An analysis showed no increase in abortion-related health complications following the removal of restrictions on mifepristone.

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2021-12-08 18:25:41



Craving Binge-Worthy Reality TV? Mental Health Experts Can Explain  

Your relationship with the screen and your favorite reality TV stars can bring benefits or risks to your psychological well being. It depends on what you are watching, why and how often.

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2021-12-08 18:00:00



This Protein Could Boost Brain Function without Exercise  

An exercise pill might one day produce health gains without the exertional pain. -- Read more on ScientificAmerican.com

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2021-12-08 16:16:00



Sunshine may shield children, young adults from MS  

Living in sunny locations and spending time outdoors may raise the risk for skin cancer, but a new study shows that in children and young adults, sun exposure may protect against multiple sclerosis. The study follows previous work by other researchers that has demonstrated an association between increased ultraviolet exposure in childhood and lower odds of adult MS.

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2021-12-08 16:11:46



Long-term exposure to environmentally relevant concentrations of pesticides has deleterious effects on shellfish  

Exposure to chronic, environmentally relevant concentrations of pesticides registered for use in forest management had adverse effects on the soft-shell clam, Mya arenaria.

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2021-12-08 16:11:30



The impact of drugs on gut microbes is greater than we thought  

We are one of the most medicated generations of humans to live on our planet. Cardiometabolic diseases like type 2 diabetes, obesity, and coronary artery disease continue to increase in prevalence and together constitute the highest cause of mortality worldwide. Affected people often have to take multiple daily medications for months or even years. Researchers from the Bork group at EMBL Heidelberg, working together with a European consortium involving more than twenty European institutes, have

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2021-12-08 16:11:26



A new understanding of mental illness  

The causes of psychiatric disorders are poorly understood. Now there is evidence that a wide range of early onset psychiatric problems (from depression, anxiety and addictions to dyslexia, bulimia, and ADHD) may be largely due to the combination of just three factors. The first is biological --i n the form of individual variability in the brain's dopamine reward pathway. The second is social -- and points to the important role of early childhood neglect or abuse. And the third is psychological--

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2021-12-08 16:11:21



Does air pollution reduce the benefits of physical activity on the brain?  

A new study shows that people who do vigorous physical activities, like jogging or playing competitive sports, in areas with higher air pollution may show less benefit from that exercise when it comes to certain markers of brain disease. The markers examined in the study included white matter hyperintensities, which indicate injury to the brain's white matter, and gray matter volume. Larger gray matter volumes and smaller white matter hyperintensity volumes are markers of overall better brain he

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2021-12-08 16:11:18



Astronomers Spot Two Dust Bunnies Hiding in the Early Universe  

The scientists found several previously hidden galaxies that date back to 13 billion years ago—and many more might be missing from our current census of the early universe. -- Read more on ScientificAmerican.com

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2021-12-08 15:00:00



NASA's James Webb Space Telescope Is Fueled for Late December Launch  

After some two decades of development, the orbital observatory is set to at last reach space on December 22 -- Read more on ScientificAmerican.com

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2021-12-08 14:00:00



To See Where a Whale Has Been, Look in Its Mouth  

The baleen that hangs from the jaws of some whale species contains clues about their migrations and diets -- Read more on ScientificAmerican.com

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2021-12-08 13:00:00



Research reveals how aging cells can be an underlying cause of kidney damage  

A study in mice has found that stress and tissue damage initiated by angiotensin II, a molecule that is known to increase blood pressure and stiffening in the linings of blood vessels, leads to cellular senescence, a process by which a cell ages and permanently stops dividing but does not die. Importantly, when the researchers eliminated senescent cells from the mice, tissues returned to a normal state in spite of a continued infusion of angiotensin II.

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2021-12-08 12:34:29



Optical cavities could be key to next generation interferometers  

A new concept has been developed that has the potential to assist new instruments in the investigation of fundamental science topics such as gravitational waves and dark matter.

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2021-12-08 12:34:26



Ammonite muscles revealed in 3D from Jurassic fossil  

Researchers have revealed the soft tissues of a 165-million-year-old ammonite fossil using 3D imaging.

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2021-12-08 12:34:22



Reduced ocean circulation during the ice age caused anoxic conditions and increased carbon storage in the deep sea  

The movement of water masses in the ocean, its circulation, is an essential component of the global climate system. Researchers have now been able to show that circulation in the deep ocean was significantly slowed down during the last glacial period. Analyses of sediment samples show that the decomposition of organic carbon in the water masses of the deep sea consumed the oxygen available there.

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2021-12-08 12:34:20



Defense or repair: How immune cells are controlled during wound healing  

Scientists show a causal link between tissue repair, mitochondrial metabolism, and the activation and function of macrophages (scavenger cells).

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2021-12-08 12:34:17



Coping with schizophrenia, when emotions can be too much  

Psychologists have revealed a surprising finding that could help those who struggle with schizophrenia: While people with the illness tend to manage low-level negative emotions, they struggle to do so as those negative emotions increase.

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2021-12-08 12:34:10



ESO telescope images planet around most massive star pair to date  

The European Southern Observatory's Very Large Telescope (ESO's VLT) has captured an image of a planet orbiting b Centauri, a two-star system that can be seen with the naked eye. This is the hottest and most massive planet-hosting star system found to date, and the planet was spotted orbiting it at 100 times the distance Jupiter orbits the Sun. Some astronomers believed planets could not exist around stars this massive and this hot -- until now.

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2021-12-08 12:34:07



Breast cancer classified into 12 unique biological groups  

Researchers have demonstrated a major step forward in melding two key methods for studying breast cancer: one by genetic analysis and the second by looking at the architecture of cells, or their pathology. Using The Cancer Genome Atlas Breast Cancer Data set, they developed classification method that divides breast cancers into 12 distinct biological groups. This could aid future research efforts and enable faster translation of molecular findings into the pathology lab for clinical use, they re

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2021-12-08 12:34:05



Detailed images of molecule associated with ALS could open door to therapies  

Scientists have determined the structure of the molecule associated with amyotrophic lateral sclerosis (ALS) and multiple other neurodegenerative diseases. The researchers say this discovery could enable targeted development of new medical interventions and diagnostic tests.

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2021-12-08 12:33:54



Transforming materials with light  

Researchers have figured out a way to use lasers to alter materials without the creation of damaging heat.

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2021-12-08 12:33:51



Tau and PQBP1: Protein interaction induces inflammation in the brain  

Researchers have clarified the relationship between the intracellular receptor PQBP1 and the structural protein Tau, which is dysregulated in neurodegenerative diseases such as Alzheimer's disease. Tau was found to interact with PQBP1 in immune cells of the brain, which led to activation of the inflammatory cGAS-STING pathway. PQBP1 may represent a potential target for the development of therapeutics to treat Tau-mediated neurodegenerative diseases.

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2021-12-08 12:33:46



Baleens read like a whale's history book  

Chemically analyzing sequential samples from the baleen of dead whales makes it possible to read not only the history of the diet, but also the migration route of the animals. In a new study, researchers present their results of a novel way of analyzing nitrogen isotopes in animal tissue.

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2021-12-08 12:33:43



Soft tissue destruction and lower back pain  

Back pain affects many people at some point in their lives, and a common cause is damage to the squishy discs or flexible, rubbery tissues of the spine. However, observing this damage at an early stage is difficult with current imaging methods. Now, researchers report they can see microscopic soft tissue destruction in animal spines by targeting denatured collagen with fluorescent molecules.

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2021-12-08 12:31:03



Blood from marathoner mice boosts brain function in their couch-potato counterparts  

Researchers have shown that blood from young adult mice that are getting lots of exercise benefits the brains of same-aged, sedentary mice. A single protein in the blood of exercising mice seems largely responsible for that benefit.

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2021-12-08 12:28:39



In a First, Physicists Glimpse a Quantum Ghost  

After a decade of work, researchers have achieved the first ever experimental reconstruction of a quantum wave function -- Read more on ScientificAmerican.com

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2021-12-08 11:45:00



Gravitational waves could be key to answering why more matter was left over after Big Bang  

If researchers can detect Q-balls in gravitational waves, it could help explain why more matter than anti-matter was left over after the Big Bang.

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2021-12-08 11:03:16



New findings about cluster headaches  

Debilitating cluster headaches commonly begin in childhood, but patients are not typically diagnosed until they are adults, according to new research.

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2021-12-08 11:03:14



Study outlines ways to help children learn forgiveness  

A recent study suggests that teaching children to understand other people's perspectives could make it easier for them to learn how to forgive other people. The study also found that teaching children to make sincere apologies can help them receive forgiveness from others.

what do you think?

2021-12-08 11:03:07



Imagining future guilt helps athletes turn away from doping  

Appealing to athletes' sense of 'future guilt' through psychological intervention could prove a powerful weapon in the fight against doping, according to a new study.

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2021-12-08 11:03:04



Reimagining immunity in the eye  

Immune cells could be doing much more than we think in protecting our eyes -- researchers uncover new details.

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2021-12-08 11:03:01



UK university can reduce CO2 emissions by 4% with shorter winter semesters  

Researchers found that shifting learning weeks to the summer term and extending the winter vacation period can reduce the university's yearly CO2 emissions by more than 4%.

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2021-12-08 11:02:56



These tiny liquid robots never run out of juice as long as they have food  

Scientists at Berkeley Lab and the University of Massachusetts Amherst have demonstrated the first self-powered, aqueous robot that runs continuously without electricity. The technology has potential as an automated chemical synthesis or drug delivery system for pharmaceuticals.

what do you think?

2021-12-08 11:02:39



Anxiety drugs and antidepressants trigger post-surgery delirium, study finds  

A new study finds that older people taking a drug used to treat anxiety and insomnia -- nitrazepam -- as well as those on antidepressants, are twice as likely to suffer postoperative delirium after hip and knee surgery.

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2021-12-08 10:26:00



Physical features boost the efficiency of quantum simulations  

Recent theoretical breakthroughs have settled two long-standing questions about the viability of simulating quantum systems on future quantum computers, overcoming challenges from complexity analyses to enable more advanced algorithms.

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2021-12-08 10:25:58



Natural infection and vaccination together provide maximum protection against COVID variants  

A combination of vaccination and naturally acquired infection appears to boost the production of maximally potent antibodies against the COVID-19 virus, new research finds.

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2021-12-08 09:49:16



Devising new meat alternatives with 3D printing — and cocoa butter  

No longer just a dream of vegetarians and vegans, fake meat is becoming more widely available in grocery stores and restaurants. And more options are almost certainly on the way. One team has now developed a new combination of plant-based ingredients tailored for 3D printing meat alternatives. Their most successful recipes required an odd-sounding addition: cocoa butter, derived from cocoa beans of chocolate fame.

what do you think?

2021-12-08 09:01:51



Early warning signals could help monitor disease outbreaks  

New research suggests early warning signals (EWSs) could help in the monitoring of disease outbreaks, such as COVID-19. The study found warnings could be detected weeks earlier than any rapid increase in cases. The findings could help governments and policy makers improve the accuracy of their decisions and allow timely interventions if needed.

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2021-12-08 09:01:37



Guidelines may promote over-diagnosis of cow's milk allergy in infants, study finds  

International guidelines developed to help doctors diagnose cow's milk allergy may lead to over-diagnosis, according to new research. The study found that three-quarters of infants have two or more symptoms at some point in the first year of life which guidelines say may be caused by cow's milk allergy, yet the condition only affects one in 100.

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2021-12-08 09:01:34



Impaired-driver sensor could pave the way for safer vehicles  

The bipartisan infrastructure bill recently signed into law by President Joe Biden includes a requirement for automakers to install driver monitoring systems that detect intoxicated or impaired drivers. Current systems rely on cameras, which have limitations. Now, researchers have made heat-resistant, pressure-detecting sensors that, when attached to seats, can tell whether a driver is drowsy or has a sudden illness, signaling a future smart car to take action.

what do you think?

2021-12-08 09:01:19



Newly discovered fish songs demonstrate reef restoration success  

Whoops, croaks, growls, raspberries and foghorns are among the sounds that demonstrate the success of a coral reef restoration project.

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2021-12-08 09:01:05



Streetwise bees cut corners to find food  

Bumblebees waste no time enjoying the beauty of flowers -- instead learning the bare minimum about where to land and find food, new research shows.

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2021-12-08 09:00:59



Fleshing out the bones of Quetzalcoatlus, Earth's largest flier ever  

Though discovered more than 45 years ago, fossils of Earth's largest flying animal, Quetzalcoatlus, were never thoroughly analyzed. Now, a scientific team provides the most complete picture yet of this dinosaur relative, its environment and behavior. The pterosaur, with a 40-foot wingspan, walked with a unique gait, but otherwise filled a niche much like herons today. The researchers dispel ideas that it ate carrion and walked like a vampire bat.

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2021-12-08 09:00:29



2,700-year-old leather armor proves technology transfer happened in antiquity  

Researchers have investigated a unique leather scale armor found in the tomb of a horse rider in Northwest China. Design and construction details of the armor indicate that it originated in the Neo-Assyrian Empire between the 6th and 8th century BCE before being brought to China.

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2021-12-08 09:00:26



Trends in binge drinking among older men and women in the United States  

Binge drinking has increased in recent years among older U.S. men but not among older women, according to a new study.

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2021-12-08 09:00:23



New research makes waves tackling the future of tsunami monitoring and modeling  

Rising sea levels are already impacting coastal residents and aggravating existing coastal hazards, such as flooding during high tides and storm surges. New research indicates that future sea-level rise will also have impacts on the heights of future tsunamis.

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2021-12-08 09:00:14



Ancient DNA found in soil samples reveals mammoths, Yukon wild horses survived thousands of years longer than believed  

Mere spoonsful of soil pulled from Canada's permafrost are opening vast windows into ancient life in the Yukon, revealing rich new information and rewriting previous beliefs about the extinction dynamics, dates and survival of megafauna like mammoths, horses and other long-lost life forms.

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2021-12-08 09:00:08



Wearable sensor measures airborne nicotine exposure from e-cigarettes  

Some studies have shown that nicotine, an addictive substance in electronic cigarettes, increases the risk of cardiovascular and respiratory disorders. But to get a full understanding of its potential health effects, a real-time nicotine monitoring device is needed. Such a device could also help vapers -- as well as non-vapers who encounter second-hand smoke -- measure their exposure. Now, researchers report that they have developed a battery-free, wearable device that could accomplish this task

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2021-12-08 08:59:59



CRISPR/Cas9 gene editing boosts effectiveness of ultrasound cancer therapy  

Sonodynamic therapy uses ultrasound in combination with drugs to release harmful reactive oxygen species (ROS) at the site of a tumor. However, the treatment isn't very effective because cancer cells can activate antioxidant defense systems to counteract it. Now, researchers have breached these defenses with CRISPR/Cas9 gene editing, allowing sonodynamic therapy to effectively shrink tumors in a mouse model of liver cancer.

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2021-12-08 08:59:56



Wastewater helps decipher the popularity of new synthetic drugs  

Over the years, hundreds of new synthetic drugs that mimic the effects of illegal and legal substances have emerged. The underground nature of each drug's development and distribution makes its international popularity hard to track. Now, using wastewater from the days near the 2021 New Year holiday, researchers report an increased international usage of some synthetic drugs, including eutylone and 3-methylmethcathinone (3-MMC) compared to the previous year.

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2021-12-08 08:59:51



Flooding Rains--And Blizzard Conditions--Hit Hawaii  

A moisture-laden weather system called a Kona low is pummeling the island chain -- Read more on ScientificAmerican.com

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2021-12-07 20:45:00



Boosters Can Help End the COVID Pandemic  

The extra shot doesn't mean that vaccines are ineffective; our bodies just need a reminder -- Read more on ScientificAmerican.com

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2021-12-07 20:00:00



Future snowmelt could have costly consequences on infrastructure  

Researchers took a closer look at previous studies with snowmelt predictions, and because geographical areas respond differently to climate change, they found future snowmelt incidences could vary greatly by the late 21st century. Snowmelt could decrease over the continental U.S. and southern Canada but increase in Alaska and northern Canada resulting in larger flooding vulnerabilities and possibly causing major societal and economic consequences including costly infrastructure failures.

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2021-12-07 17:45:55



How Scientists Can Update COVID Vaccines against Omicron  

A microbiologist explains how Pfizer and Moderna would rapidly adjust mRNA vaccines -- Read more on ScientificAmerican.com

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2021-12-07 16:00:00



Why Are Chimpanzees and Gorillas Suddenly Going to War?   

An interspecies primate war may be unfolding before our eyes.

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2021-12-07 16:00:00



AI-powered computer model predicts disease progression during aging  

Using artificial intelligence, a team of researchers has developed a novel system that models the progression of chronic diseases as patients age.

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2021-12-07 15:26:28



Plants struggle to keep pace with climate change in human-dominated landscapes  

Researchers found that changes in plant phenology are lagging behind rising temperatures across a majority of the Northern Hemisphere, particularly in the most human-dominated landscapes, like crop lands.

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2021-12-07 15:26:21



SRC-2 is at the center of survival adaptations to food shortages  

The steroid receptor coactivator-2 (SRC-2) is crucial to coordinate the biological responses to the lack of food.

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2021-12-07 15:26:18



Research finds potential mechanism linking autism, intestinal inflammation  

Moms infected during pregnancy who produce elevated levels of the cytokine IL-17a may have microbiome alterations that prime offspring for aberrant immune responses later in life, a mouse study suggests.

what do you think?

2021-12-07 15:26:16



Anthrax arms race helped Europeans evolve against disease  

New research has revealed how humans evolved greater resistance against anthrax multiple times during history: when they developed a diet of more ruminants, and when agricultural practices took hold.

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2021-12-07 15:26:08



Melting glaciers may produce thousands of kilometers of new Pacific salmon habitat  

Retreating glaciers in the Pacific mountains of western North America could produce around 6,150 kilometers of new Pacific salmon habitat by the year 2100, according to a new study.

what do you think?

2021-12-07 15:26:05



Large field hospital study shows rapid COVID-19 test compares solidly with PCR detection  

Researchers report that a rapid antigen detection test for SARS-CoV-2, the virus that causes COVID-19, proved more effective than expected when compared with virus detection rates using the established standard test, the polymerase chain reaction (PCR) assay.

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2021-12-07 15:26:00



Changes in the blood, not the heart, may underlie cardiac thrombosis in COVID-19 patients  

Treatment targeting immune-regulating neutrophil activation may reduce pathological thrombosis in COVID-19 patients, researchers report.

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2021-12-07 15:25:57



A daily dose of yogurt could be the go-to food to manage high blood pressure  

Whether it's a dollop on your morning cereal or a simple snack on the go, a daily dose of yogurt could be the next go-to food for people with high blood pressure, according to new research.

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2021-12-07 15:25:54



Avoiding blackouts with clean, renewable energy  

Study analyzes grid stability under a scenario in which wind, water and solar energy sources plus storage power 100% of U.S. energy needs for all purposes. It finds that blackouts can be avoided with short-duration batteries while lowering energy costs, creating jobs, improving people's health, and reducing land requirements.

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2021-12-07 15:25:49



Gas bubbles in rock pores – a nursery for life on Early Earth  

Researchers create compelling scenario for the evolution of membraneless microdroplets as the origin of life.

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2021-12-07 15:25:46



Which personality traits can be improved without personal motivation? Research says 'it depends'  

Could a company train an employee to become more conscientious, even if the worker isn't invested in improving that trait? A new study suggests yes. But improving someone's emotional stability without that person's commitment is not likely to happen.

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2021-12-07 15:25:32



Researchers say it's time to clean up the US Clean Water Act  

While the Clean Water Act successfully regulated many obvious causes of pollution, such as the dumping of wastewater, it's done less to limit more diffuse types of pollution, such as 'nonpoint source pollution' that includes agricultural runoff from fields and urban stormwater from buildings, paved surfaces and yards -- says a new study.

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2021-12-07 15:25:30



Denisovans or Homo sapiens: Who were the first to settle (permanently) on the Tibetan Plateau?  

A new paper by archaeologists at the University of California, Davis, highlights that our extinct cousins, the Denisovans, reached the "roof of the world" about 160,000 years ago -- 120,000 years earlier than previous estimates for our species -- and even contributed to our adaptation to high altitude.

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2021-12-07 15:25:19



CBD Gummies For Sale  



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2021-12-07 15:00:00



New Views across the Galaxy  

-- Read more on ScientificAmerican.com

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2021-12-07 14:30:00



See Strands of Ice That Look like Hair Build up on a Dead Tree Branch  

This mesmerizing ice formation has befuddled scientists for a century -- Read more on ScientificAmerican.com

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2021-12-07 11:45:00



Miniature llama antibodies could help fight SARS-CoV-2 variants  

Llamas make antibodies that are much smaller than their human counterparts, yet still potent. Scientists hope that future drugs based on these molecules could provide new weapons against SARS-CoV-2.

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2021-12-07 10:20:09



Unprecedented three-dimensional X-ray microscope methodology to image plants at cellular resolution  

Measuring plant phenotypes, a term used to describe the observable characteristics of an organism, is a critical aspect of studying and improving economically important crops. Phenotypes central to the breeding process include traits like kernel number in corn, seed size in wheat, or fruit color in grape. These features are visible to the naked human eye but are in fact driven by microscopic molecular and cellular processes in the plant. Using three-dimensional (3D) imaging is a recent innovatio

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2021-12-07 10:20:00



How SARS-CoV-2 evades our immune system  

Scientists have identified a key mechanism used by the SARS-CoV-2 virus to evade host immune systems.

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2021-12-07 10:19:53



Parents can influence children's choice and success in STEM major  

If one of your parents majored in a STEM (science, technology, engineering or math) field, there's a better chance you'll also major and persist in a STEM field, according to a new study.

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2021-12-07 09:38:18



Biomarker discovery makes early detection of high-risk COVID-19 patients possible  

Researchers have discovered a biomarker that could assist in the early identification of people at high risk of developing severe COVID-19.

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2021-12-07 09:38:15



Stem cell study paves way for manufacturing cultured meat  

Scientists have for the first time obtained stem cells from livestock that grow under chemically defined conditions, paving the way for manufacturing cell cultured meat and breeding enhanced livestock.

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2021-12-07 09:24:49



Engineers discover what makes a tree-killing fungus so hard to put down  

Armillaria ostoyae is a gnarly parasitic fungus with long black tentacles that spread out and attack vegetation. Not much was known about what makes fungus so hard to kill -- until now. A team of researchers has been studying the defense mechanism of the tree fungus to better understand what makes it so hearty.

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2021-12-07 09:24:46



Researchers develop an antibody-drug delivery system  

Researchers have developed the first metal-organic framework (MOFs) antibody-drug delivery system that has the potential to fast-track potent new therapies for cancer, cardiovascular and autoimmune diseases.

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2021-12-07 09:24:38



Primates vs cobras: How our last common ancestor built venom resistance  

The last common ancestor of chimps, gorillas and humans developed an increased resistance toward cobra venom, according to new research.

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2021-12-07 09:24:36



Top 5 Carnivorous Plants of North America  

Keep your eye out for these five carnivorous plants

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2021-12-07 06:00:00



Self-administered cognition test predicts early signs of dementia sooner  

Many people experience forgetfulness as they age, but it's often difficult to tell if these memory issues are a normal part of aging or a sign of something more serious. A new study finds that a simple, self-administered test can identify the early, subtle signs of dementia sooner than the most commonly used office-based standard cognitive test.

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2021-12-06 22:01:03



Half of all drinkers risk exceeding legal driving limit by underestimating how drunk they are, study suggests  

As many as a half of all drinkers underestimated how drunk they were, judging themselves still safe to drive despite having exceeded the legal driving limit.

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2021-12-06 22:01:00



Neurotoxin from a black widow spider examined  

Although many people lose their nerve and panic when they see a spider, only very few of the creatures are actually dangerous. The black widow, however, is a force to be reckoned with: it catches its prey by means of nerve poison -- to be precise, latrotoxins (LaTXs). Researchers have now investigated the substance -- also with a view to medical applications.

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2021-12-06 22:00:57



Link between long-term exposure to air pollution and fatty liver disease shown  

Metabolic-associated fatty liver disease (MAFLD) is a growing global health challenge and poses a substantial economic burden. A large-scale epidemiologic study has identified links between long-term exposure to ambient air pollution and MAFLD. These links are exacerbated by unhealthy lifestyles and the presence of central obesity, report scientists.

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2021-12-06 22:00:46



Stress makes life's clock tick faster: Chilling out slows it down  

Scientists in recent years have developed ways to measure biological age by tracking chemical changes in DNA that occur naturally as people age but occur at different times in different people. These so-called 'epigenetic clocks' have proved to be better predictors of lifespan and health than chronological age. In a new study, Yale researchers used one such clock, appropriately named "GrimAge," to ask two questions: How much does chronic stress accelerate that biological clock? And are there way

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2021-12-06 22:00:43



Sodium-based material yields stable alternative to lithium-ion batteries  

Scientists have developed a new sodium metal anode for rechargeable batteries that resists the formation of dendrites, a common problem with standard sodium metal anodes that can lead to shorting and fires.

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2021-12-06 22:00:40



Visualizing cell structures in three dimensions in mere minutes  

Researchers have optimized a special X-ray process -- known as soft X-ray tomography -- to deliver high-resolution three-dimensional images of entire cells and their molecular structure in just a few minutes.

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2021-12-06 22:00:27



New marker for better assessing the severity of COVID-19  

Researchers have found a new marker in the blood of COVID-19 patients. The finding provides insights into the course and development of the disease and could lead to better diagnoses.

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2021-12-06 22:00:25



Researcher pushes limit of when water will freeze  

An engineer is changing what we know about when water freezes as he pushes the limit and gets the best look yet at tiny drops of water as they freeze.

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2021-12-06 22:00:22



Battery 'dream technology' a step closer to reality with new discovery  

A sodium-sulfur battery solves one of the biggest hurdles that has held back the technology as a commercially viable alternative to the ubiquitous lithium-ion batteries that power everything from smartphones to electric vehicles.

what do you think?

2021-12-06 22:00:20



Terrain, weather can predict wild pig movements  

Managing the United States' growing wild pig population has become a significant challenge over the past few decades, but new research may help landowners and government agencies fine-tune their strategies for limiting crop and property damage caused by the animals.

what do you think?

2021-12-06 22:00:17



Oops! You did it again; new test predicts if impulsivity is pathological  

If you can't stop saying or doing things that you later regret, here's a diagnostic test for you: Researchers have pioneered a way to better determine when acting on one's worst impulses verges on pathological. Turns out, acting more recklessly when your emotions run high can be correlated with how fast you react to stimulating visuals, especially disturbing ones.

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2021-12-06 22:00:14



Wildfire smoke poses neurological hazards  

Wildfire smoke contains microparticles that cross the blood-brain barrier, triggering neurotoxic effects.

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2021-12-06 22:00:09



CRISPRing the microbiome is just around the corner  

CRISPR is widely used to target specific cell types, but only one at a time. Researchers have now developed methods to edit genes in multiple organisms within a diverse community of microbes simultaneously, a first step toward editing microbiomes such as those in the gut or on plants. One method assesses which microbes are editable; a second adds genes with a barcode that allows scientists to insert, track and assess insertion efficiency and specificity.

what do you think?

2021-12-06 22:00:07






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