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A team led by biologists have identified the ways in which herbicide-resistant strains of the invasive common waterhemp weed have emerged in fields of soy and corn in southwestern Ontario. The resistance, first detected in 2010, spread thanks to two mechanisms: either pollen and seeds of resistant plants were physically dispersed by wind, water and other means, or resistance appeared through the spontaneous emergence of mutations that then spread.

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When concerns are expressed about distrust in science, they often focus on whether the public trusts research findings. A new study, however, explores a different dimension of trust.

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Scientists and engineers worked with state and local agencies to develop and test a long-lasting, environmentally benign fire-retarding material. If used on high-risk areas, the simple, affordable treatment could dramatically cut the number of fires that occur each year.

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Women who experience complications such as preterm births and preeclampsia during their first pregnancy are nearly twice more likely than women without complications to develop high blood pressure later in life -- some as quickly as 3 years later, according to a new study of more than 4,000 women.

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Faced with extreme weather events and unprecedented environmental change, animals and plants are scrambling to catch up -- with mixed results. A new model helps to predict the types of changes that could drive a given species to extinction.

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Rising ocean temperatures have long been linked to negative impacts for marine life, but a team has recently found that the long-term outlook for many marine species is much more complex -- and possibly bleaker -- than scientists previously believed.

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US cities could see a decline in mortality rates and an improved economy through midcentury if federal and local governments maintain stringent air pollution policies and diminish concentrations of diesel freight truck exhaust, according to new research.

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Santa Barbara County residents love their coastline, from the small-town beaches of Carpinteria to Santa Barbara's waterfront to camping hotspots like Jalama Beach and dramatic Guadalupe Dunes. But drastic changes are in store in coming decades as temperatures and sea levels rise, bringing massive impacts to local ecology and human systems.

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Researchers show how bacteria transmit motion from an inner motor to an outer tail through a flexible joint in the flagellum known as the hook. This finding could help in the fight against deadly bacterial infections. By better understanding how bacteria move, researchers may be able to improve disease prevention strategies.

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Scientists have demonstrated a way to isolate and grow targeted bacteria using genomic data, making strides toward resolving the grand challenge of uncultivated microbial 'dark matter' in which the vast majority of microorganisms remain unstudied in the laboratory.

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Contrary to previous advice, five new systematic reviews suggest that most people can continue to eat red and processed meat as they do now. The major studies have found cutting back has little impact on health.

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A small genetic study identified a protein linked to many genetic variants that affect heart function. Researchers are expanding the model to other organ systems and at larger scales to create a broader understanding of genes and proteins involved.

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The study shows that for those participants who do not have a history of heart disease or stroke that a simple cardiac risk score -- a summary measure of factors such as blood pressure, diabetes, smoking, abdominal fat, and dietary factors -- is associated with MRI-detected pre-clinical cerebrovascular disease like carotid artery plaque and silent strokes.

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PROGRAMMING ALERT: Rudy Giuliani reacts to subpoena on 'Hannity,' 9 pm ET

09/30/19 5:36 PM

A new psychological study has addressed centuries-old questions about how and why supernatural beings are worshipped.

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Parents using multiple kitchen appliances and utensils to prevent their child with celiac disease from being exposed to gluten may be able to eliminate some cumbersome steps. A new preliminary study found no significant gluten transfer when tools like the same toaster or knives are used for both gluten-free and gluten-containing foods.

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In a proof-of-concept experiment, researchers say they have successfully used microscopic human-made particles to predict the severity of patients' chronic obstructive pulmonary disease (COPD) by measuring how quickly the particles move through mucus samples. The technique, say the researchers, could eventually help doctors deliver more effective treatments sooner.

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Purple martins will soon migrate south for their usual wintertime retreat, but this time the birds will be wearing what look like little backpacks, so scientists can track their roosting sites along the way. The researchers recently discovered that purple martins are roosting in small forest patches as they migrate from North America to Brazil, an unexpected behavior.

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Biologists have used bioelectronics to influence transpiration in a tobacco plant, without harming the plant in any way.

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A team of researchers have evidenced mechanically delivered projectile weapons in Europe dating to 45,000-40,000 years -- more than 20,000 years than previously thought. This study indicated that the spear-thrower and bow-and-arrow technologies allowed modern humans to hunt more successfully than Neanderthals -- giving them a competitive advantage. This discovery offered important insight to understand the reasons for the replacement of Neanderthals by modern humans.

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The cryptocurrency Bitcoin is limited by its astronomical electricity consumption and outsized carbon footprint. A nearly zero-energy alternative sounds too good to be true, but as a professor explains, it all comes down to our understanding of what makes transactions secure.

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The 'special relationship' between supermassive black holes (SMBHs) and their hosts -- something astronomers and physicists have observed for quite a while -- can now be understood as a bond that begins early in a galaxy's formation and has a say in how both the galaxy and the SMBH at its center grow over time, according to a new study.

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Researchers use artificial intelligence to improve quality of images recorded by a relatively new biomedical imaging method. This paves the way towards more accurate diagnosis and cost-effective devices.

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New research provide clear links between storm-water discharge, which sometimes includes wet-weather sewer overflow (WWSO) events, and the presence of AbR in microorganisms living in urban beach habitats.

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Many natural compounds used in medicine have complex molecular architectures that are difficult to recreate in the lab. Help could come from a small hydrocarbon molecule, called tetravinylallene, which has been synthesized for the first time by scientists. Tetravinylallene can be used to construct complex molecular frameworks more quickly and with less environmental impact than by using established methods.

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A new study has found that halving the amount red and processed (RPM) meat in the diet can have a significant impact on health, reducing the amount of LDL 'bad' cholesterol in the blood which cuts the risk of developing heart disease.

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A group of researchers assessed how urban agriculture can help Phoenix meet its sustainability goals.

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A smart shirt that measures lung function by sensing movements in the chest and abdomen has proved to be accurate when compared to traditional testing equipment, according to new research.

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A new concept for an aluminium battery has twice the energy density as previous versions, is made of abundant materials, and could lead to reduced production costs and environmental impact. The idea has potential for large scale applications, including storage of solar and wind energy.

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In experiments with rats, pigs and monkeys, researchers have developed a way to deliver sight-saving gene therapy to the retina. If proved safe and effective in humans, the technique could provide a new, more permanent therapeutic option for patients with common diseases such as wet age-related macular degeneration (AMD), and it could potentially replace defective genes in patients with inherited retinal disease.

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Scientists have developed a computer method that may help improve understanding and treatment of Crohn's disease, which causes inflammation of the digestive tract. The study used artificial intelligence to examine genetic signatures of Crohn's in 111 people. The method revealed previously undiscovered genes linked to the disease, and accurately predicted whether thousands of other people had the disease.

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Researchers have found that placebo controls are almost never described according to standard reporting guidelines.

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Patients with mesothelioma may gain similar benefit from immunotherapy as chemotherapy, and good responders may provide important clues to novel treatment for the thousands of new cases each year. New data highlight the need to understand the biological mechanisms whereby mesothelioma, which is incurable, adapts to immunotherapy in some patients but not in others, resulting in variations in treatment response.

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MIT team successfully tests a new method for verification of weapons reduction.

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New research found that oncogene SET/TAF1, which was found to be a proto-oncogene of acute myeloid leukemia (AML), contributes to proper chromosome partitioning as a tension sensor. Additionally, abnormal SET protein disrupts tension sensor system at the centromere, leading to missegregation of the chromosomes and thereby cancer. These findings may lead to a discovery for a new kind of leukemia treatment.

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X-rays could be tuned to deliver a more effective punch that destroys cancer cells and not harm the body.

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Al-Shabab extremists on Monday staged an attack on a US military base in Somalia which is used to launch drone strikes.

09/30/19 2:34 AM

Researchers have found that steps measured through a step tracker worn on the wrist can be used to estimate exercise capacity and determine the health status of patients, rather than the standardized 6-minute walk distance test, which is usually conducted in a clinical setting.

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Trump attorney Rudy Giuliani was not working alone in Biden Ukraine probe, Fox News has learned

09/29/19 6:04 AM

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Researchers are developing a technique for imaging mammalian gene expression with ultrasound by combining human bacteria and virus DNA.

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Soundscapes may influence the evolution of tightly co-evolved host-parasitoid relationships. Both traffic noise and natural ocean noise were found to inhibit parasitoid Ormia fly orientation to sound, which affects reproduction of the fly and survival of the cricket host.

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A new analysis of Kotzebue Sound fish has found that mercury levels in a variety of its subsistence species are safe for unrestricted consumption. The study tested 297 subsistence-caught fish. The average mercury levels for each of the eight species were at levels considered safe by the Alaska Department of Health and Social Services.

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The volume of water used during a wash cycle, rather than the spinning action of the washing machine, is the key factor in the release of plastic microfibres from clothes.

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For the first time ever, investigators have identified a washing machine as a reservoir of multidrug-resistant pathogens. The pathogens, a single clone of Klebsiella oxytoca, were transmitted repeatedly to newborns in a neonatal intensive care unit at a children's hospital. The transmission was stopped only when the washing machine was removed from the hospital.

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A new blood test in development has shown ability to screen for numerous types of cancer with a high degree of accuracy, a trial of the test shows.

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Kurt Volker resigns as Ukraine envoy after mention in whistleblower complaint, AP reports

09/27/19 5:56 PM

Scientists have developed a soft artificial skin that provides haptic feedback and -- thanks to a sophisticated self-sensing mechanism -- has the potential to instantaneously adapt to a wearer's movements. Applications for the new technology range from medical rehabilitation to virtual reality.

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In the first large, real-world study of universal screening for autism spectrum disorder (ASD) in toddlers, researchers have found that the most widely used and researched screening tool is less accurate than shown in previous studies conducted in research laboratory settings. The new study also revealed significant disparities in detecting early autism symptoms in minority, urban and low-income children.

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Researchers have built a new tool to study molecules using a laser, a crystal and light detectors. This new technology will reveal nature's smallest sculptures -- the structures of molecules -- with increased detail and specificity.

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Astronomers have discovered a collection of 12 galaxies which existed about 13.0 billion years ago. One of the 12 galaxies is a giant object, known as Himiko, which was named for a mythological queen in ancient Japan. This discovery suggests that large structures such as protoclusters already existed when the Universe was only about 800 million years old, 6% of its present age.

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Researchers have developed an optical system that accurately measures the flow of extraordinarily tiny amounts of liquids -- as small as 10 billionths of a liter (nanoliters) per minute.

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Researchers have developed a superior method to describe the very earliest effects that Alzheimer's Disease proteins have on the properties of brain cells.

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An experiment shows that one of the basic units of life -- nucleobases -- could have originated within giant gas clouds interspersed between the stars.

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New findings reveal many different structural models for viruses, which can eventually lead to developing more targeted antiviral vaccines, by improving our understanding of how viruses form, evolve and infect their hosts.

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An in-depth look at Australia's Great Barrier Reef over the past 91 years concludes that since 1928 intertidal communities have experienced major phase-shifts as a result of local and global environmental change, leaving few signs that reefs will return to their initial state in the near future. The long-term implications of these changes highlight the importance of avoiding phase shifts in coral reefs which may take many decades to repair, if at all.

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Inflammation increases neuronal activity, gene expression and sensory nerve (neurite) outgrowth in neurons involved in thermal -- but not physical- sensations in mice.

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For the last 60 million years, fungus-growing ants have farmed fungi for food. In their cultivation of those fungi, they've successfully relied on bacteria-produced antimicrobial ingredients to protect their crops from other species of parasitic fungi. Now, researchers say they are looking to these ants to find new ways to stop or slow the evolution of antibiotic resistance that now presents a threat to modern medicine.

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Researchers set out to untangle the mysterious interactions in mixtures of proteins and gold nanorods. Their experiments revealed multilevel chirality in the way proteins prompt nanoparticles to align and in how the particles' plasmons respond to light in the proteins' presence.

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A cluster of interacting proteins that are active in both human cancers and Tasmanian devil facial tumours, may give clues to how cancers evade the immune system, according to a new study.

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Physicists have discovered a new way to tie microscopic knots within a solution of liquid crystals.

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New research result brings the quantum internet a step closer. Such an internet could offer the military security, sensing and timekeeping capabilities not possible with traditional networking approaches.

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Teenagers are less likely to cooperate and put effort into their mother's requests when they are said in a controlling tone of voice, researchers have found.

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A quasi-particle that travels along the interface of a metal and dielectric material may be the solution to problems caused by shrinking electronic components, according to an international team of engineers.

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Anthropologists are out to change the way that scientists study old bones damage-free.

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Neurotoxocarosis (NT) occurs in humans when larvae of the Toxocara roundworm migrate into the central nervous system. That infection is accompanied by a complex molecular signaling cascade, including changes to anti-inflammatory lipid molecules, researchers now report.

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Scientists prove a well-known model of material behavior applies to high-temperature superconductors, giving them a new tool for understanding how these materials conduct electricity with no loss. Simulations suggest we might be able to toggle superconductivity on and off in certain materials by tweaking their chemistry so electrons hop from atom to atom in a particular pattern - as if hopping to the atom diagonally across the street rather than to the one next door.

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The Global Program to Eliminate Lymphatic Filariasis delivers mass drug administration to 500 million people each year, and adverse events are common following treatment. Now, researchers have reported that certain changes in gene expression are associated with these adverse events.

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The first cell atlas of the human kidney's immune system has been created after scientists mapped nearly 70,000 individual kidney cells from early life and adults. Researchers generated the atlas and used it to map immune cells in the kidney. This shows for the first time how the kidney's immune system develops during early life, and strengthens after birth and as we mature into adults, with implications for tackling kidney disease and transplant rejection.

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Western Australia's famous 3.5-billion-year-old stromatolites contain microbial remains of some of the earliest life on Earth, scientists have found.

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Darker male giraffes have been found to be more solitary and less social than their lighter-colored counterparts, according to new research. A long-term study revealed that the color of male giraffes' spots more strongly relates to their patterns of social association, rather than their age, as previously thought.

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Scientists have discovered how temporal fluctuations in the levels of two transcription factors can push embryonic stems cells into becoming different cell types.

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Researchers are the first to show that lithium-carbon dioxide batteries can be designed to operate in a fully rechargeable manner, and they have successfully tested a lithium-carbon dioxide battery prototype running up to 500 consecutive cycles of charge/recharge processes.

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A group of researchers developed a highly sensitive rectifying element in the form of a nanowire backward diode, which can covert low-power microwaves into electricity. The new technology is expected that the newly-developed nanowire backward diode will be applied in using plentiful ambient radio wave energy in 5G communications, serving as a stable power source of sensors and contributing to battery-free sensors.

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A pocket-sized zinc deficiency test could be taken to remote regions where masses are malnourished - no complex transport or preservation necessary. It could be evaluated on the spot, and this initial test could be expanded into more comprehensive micronutrient fieldtests.

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The brains of young children get thinner as they grow. At least that's what scientists used to believe. For decades, the debate has been about how and why that happens. Now neuroscientists suggest that it may be partly an illusion.

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Does having close friends boost your self-esteem, or does having high self-esteem influence the quality of your friendships? Both, according to a meta-analysis of more than two decades of research.

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There's no question that as body weight increases, so too does blood pressure. Now, in a study of mice, researchers have revealed exactly which molecules are likely responsible for the link between obesity and blood pressure. Blocking one of these molecules -- a signaling channel that's found in a tiny organ on the side of your neck -- effectively lowers blood pressure in obese mice.

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Acting Director of National Intelligence Joseph Maguire to testify before House Intel, amid Ukraine whistleblower complaint fall

09/26/19 6:04 AM

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House Intelligence Committee releases whistleblower complaint that triggered Democrat impeachment inquiry

09/26/19 5:44 AM

A new study has identified 44 genes linked to age-related hearing loss giving a much clearer understanding of how the condition develops and potential treatments.

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Nearly 40% of Americans surveyed for a new study said politics is stressing them out, and 4% -- the equivalent of 10 million US adults -- reported suicidal thoughts related to politics.

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Researchers have devised a new way to rapidly image synaptic proteins at high resolution. Using fluorescent nucleic acid probes, they can label and image as many as 12 different proteins in neuronal samples containing thousands of synapses.

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Fossil animal droppings, charcoal from ancient fires and bone fragments litter the ground of one of the world's most important human evolution sites, new research reveals. A team of scientists have used modern geoarchaeological techniques to unearth new details of day-to-day life in the famous Denisova Cave complex in Siberia's Altai Mountains.

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The introduction of minimum unit pricing (MUP) in Scotland appears to have been successful in reducing the amount of alcohol purchased and, by inference, consumption by households, finds a new study.

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Men who became fathers through assisted reproduction techniques seem to be at higher risk for prostate cancer and early onset prostate cancer compared with men achieving fatherhood naturally.

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Wheat supplies about 20 percent of all calories consumed by humans. In a new study, researchers found that up to 60 percent of current wheat-growing areas worldwide could see simultaneous, severe and prolonged droughts by the end of the century.

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Former French president Jacques Chirac dead at 86, AFP reports citing family

09/26/19 3:11 AM

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Whistleblower complaint has been declassified, GOP lawmaker says

09/25/19 8:30 PM

For the first time researchers successfully used laser pulses to excite an iron-based compound into a superconducting state. This means it conducted electricity without resistance. The iron compound is a known superconductor at ultralow temperatures, but this method enables superconduction at higher temperatures. It is hoped this kind of research could greatly improve power efficiency in electrical equipment and electronic devices.

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Overturning tractors are the leading cause of death for farmers around the world. In order to reduce the rate of overturned tractors, researchers have developed a model for understanding the conditions that lead to a tractor overturning from an unlikely source: They based their model on one used to understand the unpredictability of a bouncing ball.

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Cause-and-effect statements may seem more true if the initial letters in the words are in alphabetical order because the human brain prefers patterns that follow familiar sequences.

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Teenagers got 43 more minutes of sleep a night after a four-week intervention that reset their body clocks and helped them go to bed earlier, a study has shown.

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Researchers have developed a rewriteable paper coating that can encrypt secret information with relatively low-tech invisible ink -- water. A message printed out by a water-jet printer on a manganese-complex-coated paper is invisible to the naked eye, but the message reveals itself under 254 nm UV light. The paper can be ready for another round of printing after erasing the message by heating it with a blow dryer for 15-30 seconds. The method allows reversible secure printing for at least 30 cycles.

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Researchers have identified two key proteins, ASC and NLRP3, in the maintenance of the innate immune homeostasis in the airway. These proteins do so by a caspase-1-independent mechanism, suggesting that there may be multiple mechanisms involved in protection against microbial infections.

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A research team has revealed a new fundamental mechanism by which a cell can make necessary changes in its chromatin structure in response to different DNA-associated processes such as gene expression and DNA damage repair.

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Using anew method called Net-CAGE, researchers identified as many as 20,000 new enhancers in humans. They found that while promoters are activated in a variety of cell types, enhancers tend to function in just 1 cell type, thus showing an important difference between the 2 types of region.

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A new type of degradable synthetic polymer was prepared by Rh-catalyzed three-component polymerization of a bis(diazocarbonyl) compound, bis(1,3-diketone), and tetrahydrofuran. The resulting polymer was highly sensitive to mild acidic conditions and degraded into a combination of well-defined low molecular weight compounds. With this unique degradability, the polymer could be utilized as an environmentally friendly polymeric material.

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White House releases transcript of Ukraine call showing Trump pressed for Biden probe, but made no mention of military aid

09/25/19 7:01 AM

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New research has highlighted a crop of inequality called cassava, which has starchy, tuberous roots that sustain more than 500 million people in sub-Saharan Africa, yet cassava has been largely neglected by research and development compared to the staple crops of wealthier regions. Researchers have identified opportunities to improve cassava yields -- which have not increased for more than fifty years in Africa.

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In a first-of-its-kind study, researchers piece together a road map of typical brain development in children during a critical window of maturation.

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Fungal bloodstream infections are responsible for the deaths of more than 10,000 people every year. New research shows that the death rate can be reduced by 20% if infectious disease specialists oversee care of such patients.

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Occupational exposure to high levels of pesticides may raise the risk of heart disease and stroke, even in generally healthy men. The study emphasizes the importance of using protective gear when handling pesticides on the job and including pesticide exposure in your medical history.

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The research community is increasingly recognizing video as more than just a medium to disseminate scientific findings after a study's conclusion. A powerful tool, film can engage study participants and become an integral part of the scientific process, when deployed thoughtfully. To guide this emerging practice, University of Pittsburgh Graduate School of Public Health scientists performed the first review of studies on use of film in public health research.

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Research determines optimal heat conditions for weed seed control in Louisiana sugarcane fields.

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Researchers have reported a nanocatalyst that is able to produce hydrogen isotope compounds D2 and HD via the heterogeneous dehydrogenation of formic acid in the presence of heavy water. Amine groups on the catalyst support provided a handle for tuning the selectivity of the reaction through their basicity. It is hoped that the reported process, which is appropriate for large-scale production, can be used to improve the accessibility of deuterated materials worldwide.

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Artificial intelligence (AI) appears to detect diseases from medical imaging with similar levels of accuracy as health-care professionals, according to the first systematic review and meta-analysis, synthesizing the available evidence from the scientific literature.

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Fox News Breaking News Alert

White House will release whistleblower complaint to Congress if legally possible, official says

09/24/19 5:48 PM

Scientists have evaluated fossil color reconstruction methods and proposed a new study framework that improves and expands current practice.

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PTEN, a tumor suppressor gene mutated in about 20% of prostate cancers, relies on another gene, ARID4B, to function.

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President Trump to tout nationalism, sovereignty in address to UN General Assembly

09/24/19 7:12 AM

In experiments with mice, researchers have shown they can harness the power of iNKT cells to attack tumor cells and treat cancer. The new method suppressed the growth of multiple types of human tumors that had been transplanted into the animals.

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As neighborhood and city planners design ways to reuse vacant land in cities like Detroit, a researcher is urging them to look at the footpaths of people who already live there -- literally.

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Investigators report that a single-session sleep education program for survivors can cure insomnia in many participants, and that those who don't benefit from this approach are often helped by a more extensive, but still modest, three-session program.

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Increasing nut consumption by just half a serving (14 g or ½ oz) a day is linked to less weight gain and a lower risk of obesity, suggests a large, long term observational study.

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Cardiac MRI scans can be read by AI (artificial intelligence) 186 times faster than humans, with comparable precision to experts. Because the greatest source of measurement errors are human factors, AI has the potential to improve future clinical decision making.

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Some of the genes that predict the risk of high cholesterol don't apply to people from Uganda the same as they do in European populations, finds a new study.

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A new clinical trial found a cost-effective generic drug works just as well as a more expensive drug in preserving heart function in boys with Duchenne muscular dystrophy.

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Experts frequently tout the value of a good night's sleep. However, a new study casts doubt on the value of sleep time suggesting that women who experience night sweats are more vulnerable to cognitive dysfunction as their sleep duration increases.

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The VITamin D and OmegA-3 Trial (VITAL) is the largest and most recent to test whether vitamin D or fish oil can effectively prevent cancer or cardiovascular disease. Results to date have been mixed but show promise for some outcomes, now confirmed by updated pooled (meta) analyses.

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People with gum disease (periodontitis) have a greater likelihood of high blood pressure (hypertension), according to a new study.

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Researchers have developed a new process to help overcome the brittle nature of ceramics and make it more ductile and durable. The team calls the process 'flash sintering,' which adds an electric field to the conventional sintering process used to form bulk components from ceramics.

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A new study from researchers reveals that perceptions of impostorism are quite common both in the workplace and the classroom and uncovers one of the best ways to cope with such feelings: seeking social support from those outside their academic program.

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Fox News Breaking News Alert

UK Supreme Court deals major blow to Prime Minister Boris Johnson, ruling that his suspension of Parliament during Brexit fight

09/24/19 2:54 AM

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New research suggests that depression and binge-drinking are more common among the female partners of UK military personnel than among comparable women outside the military community.

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Digital computers use numbers based on flawed representations of real numbers, which may lead to inaccuracies when simulating the motion of molecules, weather systems and fluids, find scientists.

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New research has uncovered the specific data leaked through hospital breaches, sounding alarm bells for nearly 170 million people.

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