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Saturday, February 29, 2020

February 29, 2020

Fox News Breaking News Alert

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Biden wins South Carolina Democratic primary, Fox News projects, in crucial boost to campaign after early losses

02/29/20 4:01 PM
February 29, 2020

Ultrafast probing reveals intricate dynamics of quantum coherence

Ultrafast, multidimensional spectroscopy unlocks macroscopic-scale effects of quantum electronic correlations. Researchers found that low-energy and high energy states are correlated in a layered, superconducting material. Exciting the material with an ultrafast beam of near-infrared light produces coherent excitations lasting a surprisingly 'long' time of around 500 femtoseconds, originating from a quantum superposition of excited states within the crystal.

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February 29, 2020

Immunology: Tonsils as a testbed

Biomedical researchers have isolated immune cells from human tonsils obtained following routine surgery, and used them to analyze aspects of the immune response and test the effects of anti-inflammatory agents at the cellular level.

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Friday, February 28, 2020

February 28, 2020

Fox News Breaking News Alert

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President Trump holds a rally in North Charleston, S.C., 24 hours before the polls close in the state's Democratic primary. Watc

02/28/20 4:09 PM
February 28, 2020

An iron-clad asteroid

Mineralogists have discovered a previously unknown phenomenon in soil samples from the asteroid 'Itokawa': the surface of the celestial body is covered with tiny hair-shaped iron crystals. The team provides an explanation of how these were formed, and why asteroids can be unusually low in sulphur compounds.

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February 28, 2020

DNA discovery can lead to new types of cancer drugs

Researchers have discovered that our cells replicate their DNA much more loosely than previously thought. The new knowledge might be useful for developing novel treatments against aggressive forms of cancers.

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February 28, 2020

Scientists discover new 'Jekyll and Hyde' immune cell

Scientists have identified a rare, new cell in the immune system with 'Jekyll and Hyde properties.' These cells play a key protective role in immunity to infection but -- if unregulated -- also mediate tissue damage in autoimmune disorders. The findings should help us design more effective vaccines to prevent infections such as MRSA, and may also assist help us develop of new therapies for autoimmune diseases, such as multiple sclerosis or rheumatoid arthritis.

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February 28, 2020

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Biden walks back claim he got arrested in South Africa 30 years ago while trying to see Nelson Mandela

02/28/20 7:45 AM
February 28, 2020

Genetic 'fingerprints' implicate gut bacterium in bowel cancer

A common type of bacteria found in our guts could contribute to bowel cancer, according to new research. Scientists have shown that a toxin released by a strain of E. coli causes unique patterns, or 'fingerprints,' of DNA damage to the cells lining the gut.

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Thursday, February 27, 2020

February 27, 2020

Sugar-poor diets wreak havoc on bumblebee queens' health

A new study shows that without adequate sugar, a bumblebee queen's fat body, which functions like a human liver, does not correctly produce enzymes required for healthy metabolism and detoxification from pesticides.

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February 27, 2020

A better way to detect underground water leaks

Researchers propose a new way to locate water leaks within the tangle of aging pipes found beneath many cities. The improvement could save time, money and billions of gallons of water.

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February 27, 2020

A common gut microbe secretes a carcinogen

Cancer mutations can be caused by common gut bacteria. By exposing human mini-guts to a particular strain of Escherichia coli, scientist uncovered that these bacteria induce a unique mutational pattern in human DNA. This pattern was also found in colon cancer patients, implying that the bacteria induced these mutations. For the first time the researchers establish a direct link between microbes and mutations driving tumorigenesis. This might lead to new measures in colorectal cancer prevention.

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February 27, 2020

SNIPRs take aim at disease-related mutations

Scientists describe a new method for detecting point mutations. The technique can be applied in living cells, offering a rapid, highly accurate and inexpensive means of identifying mutations relevant to human health.

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February 27, 2020

A molecular atlas of skin cells

Our skin protects us from physical injury, radiation and microbes, and at the same time produces hair and facilitates perspiration. Details of how skin cells manage such disparate tasks have so far remained elusive. Now, researchers have systematically mapped skin cells and their genetic programs, creating a detailed molecular atlas of the skin in its complexity.

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February 27, 2020

Huntington's disease-causing DNA repeat mutations reversed in the lab

An international team of researchers identifies a compound that corrects genetic abnormalities involved in the onset and progression of Huntington's disease for which there is no definitive treatment. They successfully reversed disease-causing DNA expansion mutations with no off-target effects in the lab. They hope that their discovery may help treat other DNA repeat diseases like myotonic dystrophy.

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February 27, 2020

New method converts carbon dioxide to methane at low temperatures

Scientists developed a new method to convert carbon dioxide to methane with an electric field at low temperatures. In comparison to previous methods, this new method can produce any amount of methane whenever necessary. Because methane is a valuable gas which can be used to generate heat and electricity, this method could be exploited to help reduce the use of fossil fuels and prevent global warming.

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February 27, 2020

Antarctic ice walls protect the climate

Inland Antarctic ice contains volumes of water that can raise global sea levels by several meters. A new study shows that glacier ice walls are vital for the climate, as they prevent rising ocean temperatures and melting glacier ice.

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February 27, 2020

New immunotherapeutic strategy shows promise in eradicating infectious biofilms

The same way baking soda breaks down grease and grime, making surfaces easier to clean, researchers now show that a new therapeutic molecule can break apart communities of harmful bacteria, opening the way for bacteria-killing antibiotics to more effectively clear out infections.

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February 27, 2020

Eco-friendly biodiesel from palm oil?

Vegetable oil biofuels are increasingly used as an alternative to fossil fuels despite the growing controversy regarding their sustainability. In a study, researchers investigated the effect of palm-oil biodiesel on greenhouse gases for the entire life cycle. They found that using palm oil from first rotation plantations where forests were cleared for palms leads to an increase in greenhouse gas emissions compared to fossil fuels.

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February 27, 2020

Rare lizard fossil preserved in amber

The tiny forefoot of a lizard of the genus Anolis was trapped in amber about 15 to 20 million years ago. Every detail of this rare fossil is visible under the microscope. But the seemingly very good condition is deceptive: The bone is largely decomposed and chemically transformed, very little of the original structure remains. The results provide important clues as to what exactly happens during fossilization.

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February 27, 2020

Astronomers detect biggest explosion in the history of the Universe

Scientists studying a distant galaxy cluster have discovered the biggest explosion seen in the Universe since the Big Bang. The blast came from a supermassive black hole at the centre of a galaxy hundreds of millions of light-years away. It released five times more energy than the previous record holder.

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February 27, 2020

Shaping the future of machine learning for active matter

Now researchers are presenting guidelines for how active matter, such as cells and microorganisms, can best be studied using machine learning techniques. The guidelines can help others navigate the new field, which can significantly improve research in active matter.

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February 27, 2020

Anthropogenic seed dispersal: Rethinking the origins of plant domestication

Over the past three millennia, selective breeding has dramatically widened the array of plant domestication traits. However, a close look at the archaeobotanical record illustrates a similar suite of linked traits emerging before humans began selectively breeding food crops. A researchers now summarizes all of these early evolutionary responses in plants, arguing that these shared traits evolved in response to human seed-dispersal services.

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February 27, 2020

Gene loss more important in animal kingdom evolution than previously thought

Scientists have shown that some key points of animal evolution -- like the ones leading to humans or insects -- were associated with a large loss of genes in the genome. The study compared over 100 genomes to investigate what happened at the gene level during the evolution of animals after their origin.

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February 27, 2020

Metals could be the link to new antibiotics

Compounds containing metals could hold the key to the next generation of antibiotics to combat the growing threat of global antibiotic resistance. Researchers, working with a network of international collaborators, have discovered 23 previously unexplored compounds containing metals such as silver, manganese, zinc, ruthenium and iridium that have antibacterial and antifungal activity.

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February 27, 2020

Computer scientists' new tool fools hackers into sharing keys for better cybersecurity

Instead of blocking hackers, a new cybersecurity defense approach actually welcomes them. The method, called DEEP-Dig (DEcEPtion DIGging), ushers intruders into a decoy site so the computer can learn from hackers' tactics. The information is then used to train the computer to recognize and stop future attacks.

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February 27, 2020

Motley crew: Rust and light a possible answer to the conundrum of hydrogen fuel production

Production of hydrogen fuel is a key goal towards the development of sustainable energy practices, but this process does not have feasible techniques yet. Scientists have identified a novel technique of using rust and light to speed up hydrogen production from organic waste solution, a finding that can revolutionize the clean energy industry.

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Wednesday, February 26, 2020

February 26, 2020

Nanosize device 'uncloaks' cancer cells in mice and reveals them to the immune system

Scientists report they have designed and successfully tested an experimental, super small package able to deliver molecular signals that tag implanted human cancer cells in mice and make them visible for destruction by the animals' immune systems. The new method was developed, say the researchers, to deliver an immune system 'uncloaking' device directly to cancer cells.

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February 26, 2020

Hazardous waste or edible food?

According to new research, more drive and novel and creative solutions are needed in retailing to tackle bread waste. Grocery stores could reduce bread waste by making the most of technology, marketing methods and engagement.

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February 26, 2020

Tone down your risk of skin cancer

Social media smarts could make you less susceptible to skin cancer as new research shows that media literacy skills can help change people's attitudes about what is believed to be the 'tanned ideal.'

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February 26, 2020

How big is the neutron?

The size of neutrons cannot be measured directly: it can only be determined from experiments involving other particles. While such calculations have so far been made in a very indirect way using old measurements with heavy atoms, a team has now taken a different approach. By combining their very accurate calculations with recent measurements on light nuclei, the researchers have arrived at a more direct methodology.

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February 26, 2020

Complex pattern of ancient immigration from Africa, Asia and Europe

Anthropologists have found out that prehistoric migration from Africa, Asia and Europe to the Mediterranean islands took place long before the era of the Mediterranean seafaring civilizations. For their analysis they used the DNA of prehistoric individuals from Sicily, Sardinia and the Balearic Islands.

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February 26, 2020

Turbulent times revealed on Asteroid 4 Vesta

Planetary scientists have shed some light on the tumultuous early days of the largely preserved protoplanet Asteroid 4 Vesta, the second largest asteroid in our solar system.

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February 26, 2020

Cellular metabolism regulates the fate decision between pathogenic and regulatory T cells

Preclinical research shows a pivotal role for cellular metabolism to regulate the fate decision of naïve CD4 T cells as they differentiate into either destructive Th17 cells that mediate chronic inflammation or regulatory Treg T cells, a decision that occurs very early in the activation of CD4 T cells. This opens a possibility that manipulating the cellular metabolism of T cells may provide a therapeutic intervention in chronic autoimmune disorders.

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February 26, 2020

Women firefighters face high exposure to toxic PFAS chemicals

San Francisco's women firefighters are exposed to higher levels of certain toxic PFAS chemicals than women working in downtown San Francisco offices, shows a new study. The study represents one of the first published results from the Women Firefighter Biomonitoring Collaborative, a long-term investigation into breast cancer risks faced by women firefighters.

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February 26, 2020

Researchers make asthma breakthrough

Researchers have made a breakthrough that may eventually lead to improved therapeutic options for people living with asthma. The researchers have uncovered a critical role for a protein (Caspase-11), which had previously never been implicated in the disease, and which may offer a promising target for drug designers.

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February 26, 2020

Drinks with added sugars linked to lipid imbalance, which increases CVD risk

Drinking sugar-sweetened beverages daily was linked to lower high-density lipoprotein cholesterol (HDL-C), ('good' cholesterol), and higher triglyceride levels, both of which can increase cardiovascular disease risk. Drinking up to 12 ounces of 100% fruit juice per day was not associated with adverse changes in blood cholesterol or triglyceride levels.

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February 26, 2020

Deaf moths evolved noise-cancelling scales to evade prey

Some species of deaf moths can absorb as much as 85 per cent of the incoming sound energy from predatory bats -- who use echolocation to detect them. The findings reveal the moths, who are unable to hear the ultrasonic calls of bats, have evolved this clever defensive strategy to help it survive.

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Tuesday, February 25, 2020

February 25, 2020

New RNA mapping technique shows how RNA interacts with chromatin in the genome

A group led by scientists from the RIKEN Center for Integrative Medical Sciences (IMS) in Japan have developed a new method, RADICL-seq, which allows scientists to better understand how RNA interacts with the genome through chromatin--the structure in which the genome is organized.

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February 25, 2020

New metabolic engineering strategy for effective sugar utilization by microbes improves bioproduction of polymer raw materials

Using biomass and microbes to synthesize useful chemical compounds is an environmentally friendly alternative to petrochemical production, however it is difficult to produce sufficient amounts. A team has succeeded in improving the yield of the target chemical muconic acid by developing a new strategy to metabolically engineer the bacteria used in bioproduction, so that it would utilize different kinds of sugar absorbed from the biomass for separate aims.

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February 25, 2020

Mangrove forests provide cause for conservation optimism, for now

An international team of researchers has found that globally, mangrove loss rates have reduced by almost an order of magnitude between the late 20th and early 21st century -- from what was previously estimated at one to three per cent per year, to about 0.3 to 0.6 per cent per year, thanks in large part to successful mangrove conservation efforts.

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February 25, 2020

When it comes to conservation, ditch the 'canary in the coal mine'

With habitat loss threatening the extinction of an ever-growing number of species around the world, many wildlife advocates and conservation professionals rely on the proverbial 'canary in the coal mine' -- monitoring and protecting a single representative species -- to maintain healthy wildlife biodiversity. But new research from UBC's Okanagan campus suggests that habitats are better served if conservation efforts focus on a collection of species rather than a single 'canary.'

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February 25, 2020

Forest 'duff' must be considered in controlled burning to avoid damaging trees

Many decades of forest fire prevention and suppression has resulted in a thick buildup of organic matter on the forest floor in many regions of the United States, according to a researcher, whose new study suggests that the peculiar way that these layers burn should be considered in plans for controlled burns.

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February 25, 2020

New sandboxing approach in web browser increases security

A powerful new approach to securing web browsers, using a tool called WebAssembly, is getting its first real-world application in the Firefox browser. Developed by a team of researchers, the approach shifts some of the browser code into 'secure sandboxes' that prevent malicious code from taking over the user's computer.

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February 25, 2020

Short-lived 'soda' tax worked

A study of beverage sales in Cook County, Illinois, shows that for four months in 2017 -- when the county implemented a penny-per-ounce tax on both sugar-sweetened and artificially sweetened drinks -- purchases of the taxed beverages decreased by 21%, even after an adjustment for cross-border shopping.

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February 25, 2020

What to expect when you're expecting electric transportation

While electric vehicles alone may not reduce carbon emissions, a new study reveals that when electric vehicles are powered with renewable energy and coupled with carbon policy strategies, they can help combat climate change without sacrificing economic growth.

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February 25, 2020

Best method to teach children augmented reality

Researchers have identified the best approach to help children operate augmented reality (AR). According to computer science experts, a major barrier into wider adoption of the technology for experiential learning is based on AR designs geared toward adults that rely on voice or gesture commands. By conducting in-classroom testing among elementary school students, researchers uncovered that AR programs are best delivered using controller commands, followed by programs that communicate with age-specific language.

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February 25, 2020

Noninvasive, self-adhesive sensor predicted worsening heart failure in veterans

A removable, noninvasive, self-adhesive sensor successfully predicted worsening heart failure and the need for hospitalization in veterans several days before hospitalization occurred. The researchers used machine learning to analyze the data provided remotely by the sensor to detect if, and when, a patient's heart failure was worsening.

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February 25, 2020

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President Trump, departing India, accuses Supreme Court's Sotomayor of trying to 'shame' justices into ruling against his admini

02/25/20 4:22 AM

Monday, February 24, 2020

February 24, 2020

Magnetic nano-vortex: Swirling boundaries

For the first time, researchers have recorded a '3D film' of magnetic processes on the nanometer scale. This reveals a variety of dynamics inside the material, including the motion of swirling boundaries between different magnetic domains. The insights could help to make magnetic data storage devices more compact and efficient.

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February 24, 2020

CRISPR gene cuts may offer new way to chart human genome

In search of new ways to sequence human genomes and read critical alterations in DNA, researchers say they have successfully used the gene cutting tool CRISPR to make cuts in DNA around lengthy tumor genes, which can be used to collect sequence information.

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February 24, 2020

Having an eye for colors: Printable light sensors

Cameras, light barriers, and movement sensors have one thing in common: they work with light sensors that are already found in many applications. In future, these sensors might also play an important role in telecommunications, as they enable data transmission via light. Researchers have succeeded in making decisive progress: printable light sensors that can see colors.

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February 24, 2020

Oldest reconstructed bacterial genomes link farming, herding with emergence of new disease

Using Salmonella enterica genomes recovered from human skeletons as old as 6,500 years, an international team of researchers illustrates the evolution of a human pathogen and provides the first ancient DNA evidence in support of the hypothesis that the cultural transition from foraging to farming facilitated the emergence of human-adapted pathogens that persist until today.

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February 24, 2020

Fox News Breaking News Alert

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Disgraced Hollywood titan Harvey Weinstein found guilty of sex assault, could face decades in prison

02/24/20 8:51 AM
February 24, 2020

Going super small to get super strong metals

Metals get stronger as the size of the grains making up the metal get smaller -- up to a point. If the grains are smaller than 10 nanometers in diameter the materials are weaker because, it was thought, they slide past each other like sand sliding down a dune. But in samples of nickel with grain diameters as small as 3 nanometers, and under high pressures, the strength of the samples continued to increase with smaller grain sizes.

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February 24, 2020

Directing nanoparticles straight to tumors

Modern anticancer therapies aim to attack tumor cells while sparing healthy tissue. A team of researchers has now produced tiny nanoparticles that are designed to specifically target cancer cells. They can navigate directly to the tumor cells and visualize those using advanced imaging techniques. Both in Petri dishes and animal models, the scientists were able to effectively guide the nanoparticles to the cancer cells. The next step is to combine the new technique with therapeutic approaches.

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February 24, 2020

A plan to save Earth's oceans

At least 26 per cent of our oceans need urgent conservation attention to preserve Earth's marine biodiversity, a new study has found. Experts have said the international community needed to rapidly increase marine conservation efforts to maintain the health of the world's oceans.

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February 24, 2020

Could this plaque identifying toothpaste prevent a heart attack or stroke?

For decades, researchers have suggested a link between oral health and inflammatory diseases affecting the entire body -- in particular, heart attacks and strokes. Results of a randomized pilot trial of Plaque HD®, the first toothpaste that identifies plaque so that it can be removed with directed brushing, showed that it produced a statistically significant reduction in C-reactive protein, a sensitive marker for future risks of heart attacks and strokes, among those with elevations at baseline.

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February 24, 2020

New strategy to protect wine grapes from smoke-taint

It's a problem plaguing grape-growers worldwide -- in an ever-changing climate, how can they protect their crops from the undesirable effects of wildfire smoke exposure. A recent study has led to the development of a preventative strategy for protecting grapes from volatile phenols -- flavored compounds present in smoke that may be absorbed into ripening grapes and subsequently impact wine flavor.

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February 24, 2020

New tool for an old disease: Use of PET and CT scans may help develop shorter TB treatment

Experts believe that tuberculosis, or TB, has been a scourge for humans for some 15,000 years, with the first medical documentation of the disease coming out of India around 1000 B.C.E. Today, the World Health Organization reports that TB is still the leading cause of death worldwide from a single infectious agent, responsible for some 1.5 million fatalities annually.

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February 24, 2020

Specific gut bacteria may be associated with pulmonary arterial hypertension

Researchers have found a specific bacterial profile in the gut of people with pulmonary arterial hypertension, a chronic and progressive disease that causes constriction of arteries in the lungs. The unique bacterial profile predicted pulmonary arterial hypertension with 83% accuracy.

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Sunday, February 23, 2020

February 23, 2020

Black phosphorus tunnel field-effect transistor as an alternative ultra-low power switch?

Researchers have reported a black phosphorus transistor that can be used as an alternative ultra-low power switch. A research team developed a thickness-controlled black phosphorous tunnel field-effect transistor (TFET) that shows 10-times lower switching power consumption as well as 10,000-times lower standby power consumption than conventional complementary metal-oxide-semiconductor (CMOS) transistors.

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February 23, 2020

More clues for how the monkeyflower got its spots

The monkeyflower, or Mimulus, though possessing a relatively simple genome is able to produce a stunning array of pigmentation patterns. A team of researchers is one step closer to understanding exactly how this genus of wildflowers is able to achieve such remarkable diversity.

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Saturday, February 22, 2020

February 22, 2020

Lower dose of newer clot-buster may be appropriate for some stroke patients

In a comparison of 0.25mg/kg and 0.40mg/kg doses of the newer and more convenient clot-busting medication tenecteplase, there was no advantage in increasing the dose above 0.25mg/kg in stroke patients who planned to have mechanical clot retrieval. In addition, administering tenecteplase may decrease the need for mechanical clot removal.

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February 22, 2020

New drug helps to preserve brain cells for a time after stroke

After 50 years of research and the testing of over 1,000 drugs, there is new hope for preserving brain cells for a time after stroke. Treating acute ischemic stroke patients with an experimental neuroprotective drug, combined with a surgical procedure to remove the clot improves outcomes as shown by clinical trial results.

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February 22, 2020

Let there be 'circadian' light

Researchers describe the science behind creating lighting to make us all happy and productive indoors. A company is using the technology to create commercial lightbulbs available later this year.

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February 22, 2020

Research team tackles superbug infections with novel therapy

Superbug infections kill 35,000 people in the US annually. A team of researchers has found that a treatment known as AB569 kills pseudomonas aeruginosa in humanized cells in mouse models. The treatment does not harm these humanized cells.

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Friday, February 21, 2020

February 21, 2020

Physics tool helps track cancer cell diversity

A team took a novel, interdisciplinary approach to analyzing the behavior of breast tumor cells by employing a statistical modeling technique more commonly used in physics and economics. The team was able to demonstrate how the diversity, or heterogeneity, of cancer cells can be influenced by their chemical environment -- namely, by interactions with a specific protein, which leads to tumor growth.

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February 21, 2020

Brain cells protect muscles from wasting away

Several processes in the roundworm C. elegans boost the stress response in cells, incidentally making worms resistant to a high-fat diet and extending their lifespan. Researchers have found another: cells called glia that release a hormone that boosts the unfolded protein response in the endoplasmic reticulum of the worm's cells, effectively doubling lifespan. This could lead to interventions to tune up peripheral cells, such as muscle cells, and prevent age-related deterioration in humans.

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February 21, 2020

Artificial intelligence yields new antibiotic

Using a machine-learning algorithm, researchers have identified a powerful new antibiotic compound. In laboratory tests, the drug killed many of the world's most problematic disease-causing bacteria, including some strains that are resistant to all known antibiotics. It also cleared infections in two different mouse models.

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February 21, 2020

Earliest interbreeding event between ancient human populations discovered

A new study documented the earliest known interbreeding event between ancient human populations -- a group known as the 'super-archaics' in Eurasia interbred with a Neanderthal-Denisovan ancestor about 700,000 years ago. The event was between two populations more distantly related than any other recorded. The authors proposed a revised timeline for human migration out of Africa and into Eurasia. The method for analyzing ancient DNA provides a new way to look farther back into the human lineage.

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February 21, 2020

New method to isolate atomic sheets and create new materials

Researchers have invented a new method -- using ultraflat gold films -- to disassemble vdW single crystals layer by layer into monolayers with near-unity yield and with dimensions limited only by bulk crystal sizes. The monolayers have the same high quality as those created by conventional 'Scotch tape' exfoliation, but are roughly a million times larger. They can be assembled into macroscopic artificial structures, with properties not easily created in conventionally grown bulk crystals.

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February 21, 2020

Origins of immune system mapped, opening doors for new cancer immunotherapies

A first cell atlas of the human thymus gland could lead to new immune therapies to treat cancer and autoimmune diseases. Researchers mapped thymus tissue through the human lifespan to understand how it develops and makes vital immune cells called T cells. In the future, this information could help researchers to generate an artificial thymus and engineer improved therapeutic T cells.

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February 21, 2020

Antidepressant harms baby neurons in lab-grown 'mini-brains'

Researchers have demonstrated the use of stem-cell-derived 'mini-brains' to detect harmful side effects of a common drug on the developing brain. Mini-brains are miniature human brain models, developed with human cells and barely visible to the human eye, whose cellular mechanisms mimic those of the developing human brain.

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February 21, 2020

Frozen bird turns out to be 46,000-year-old horned lark

Scientists have recovered DNA from a well-preserved horned lark found in Siberian permafrost. The results can contribute to explaining the evolution of sub species, as well as how the mammoth steppe transformed into tundra, forest and steppe biomes at the end of the last Ice Age.

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February 21, 2020

A little good is good enough -- excuses and 'indulgence effects' in consumption

Ecofriendly materials, produced under good work conditions -- convincing arguments for most of us. But how do consumers really weigh compliance with such ethical standards? Not as much as they think: Researchers used an example from textile industry to demonstrate that customers unconsciously use a single ethical aspect as an excuse for less moral behavior regarding other aspects. They report about these 'indulgence effects' and their significance in a recent article.

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February 21, 2020

Fox News Breaking News Alert

Fox News Breaking News Alert

Federal filings show record number of GOP candidates running for Congress, energized by Trump impeachment

02/21/20 6:28 AM
February 21, 2020

Fox News Breaking News Alert

Fox News Breaking News Alert

Rep. Doug Collins, who is running for Georgia Senate seat, says he's not interested in cabinet intel job after Trump floats his

02/21/20 4:58 AM

Thursday, February 20, 2020

February 20, 2020

For 'blade runners' taller doesn't necessarily mean faster

The governing body for the Paralympics recently lowered the allowable height for sprinters who use prosthetic legs, or blades, during competition. The rules are based on the assumption that the taller you are the faster you run. But a new study has found otherwise.

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February 20, 2020

Water reuse could be key for future of hydraulic fracturing

Enough water will come from the ground as a byproduct of oil production from unconventional reservoirs during the coming decades to theoretically counter the need to use fresh water for hydraulic fracturing operations in many of the nation's large oil-producing areas. While other industries might want to recycle some of that water for their own needs, water quality issues and the potential costs involved may be prohibitive.

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February 20, 2020

Curing genetic disease in human cells

Scientists show for the first time that a newer type of CRISPR, called base-editing, can safely cure cystic fibrosis in stem cells derived from patients.

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February 20, 2020

New discovery has important implications for treating common eye disease

Scientists have made an important discovery with implications for those living with a common, debilitating eye disease (age-related macular degeneration, AMD) that can cause blindness. They have discovered that the molecule TLR2, which recognises chemical patterns associated with infection in the body, also seems to play an important role in the development of retinal degeneration. When TLR2 is removed in model systems, a degree of protection is conferred.

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February 20, 2020

DNA from ancient packrat nests helps unpack Earth's past

New work shows how using next-generation DNA sequencing on ancient packrat middens -- nests made out of plant material, fragments of insects, bones, fecal matter, and urine -- could provide ecological snapshots of Earth's past. The study may pave the way for scientists to better understand how plant communities -- and possibly animals, bacteria, and fungi as well -- will respond to human-caused climate change.

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February 20, 2020

Long-lasting and precise dosing of medication

Using a mixture of oil droplets and hydrogel, medical active agents can be not only precisely dosed, but also continuously administered over periods of up to several days. The active agents inside the droplets are released at a constant rate, decreasing the risk of over- or underdosage.

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February 20, 2020

10,000 times faster calculations of many-body quantum dynamics possible

How an electron behaves in an atom, or how it moves in a solid, can be predicted precisely with the equations of quantum mechanics. These theoretical calculations agree with the results from experiments. But complex quantum systems, which contain many electrons or elementary particles can currently not be described exactly. A team has now developed a simulation method, which enables quantum mechanical calculations up to around 10,000 times faster than previously possible.

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February 20, 2020

Scientists develop safer lead-based perovskite solar cell

Researchers are reporting on a potential breakthrough in the development of hybrid perovskite solar cells. The scientists developed a technique to sequester the lead used to make perovskite solar cells and minimize potential toxic leakage.

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February 20, 2020

Illuminating interactions between decision-making and the environment

Employing a game theory model, researchers demonstrate how strategic decisions influence the environment in which those decisions are made, alterations which in turn influence strategy. Their analysis, which identifies how incentives can tip a strategy from one extreme to another, applies to fields as diverse as fisheries dynamics to climate change policy.

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February 20, 2020

Scientists develop open-source software to analyze economics of biofuels, bioproducts

Perennial grasses can be converted into everything from ethanol to bioplastics, but it's unclear which bioproducts hold the greatest potential. BioSTEAM, a new open-source simulation software package in Python gives scientists, engineers, biotechnology companies, and funding agencies a fast, flexible tool to analyze the economics of producing different biofuels and bioproducts -- in a matter of seconds.

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February 20, 2020

18-hour year planet on edge of destruction

Astronomers from the University of Warwick have observed an exoplanet orbiting a star in just over 18 hours, the shortest orbital period ever observed for a planet of its type.

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February 20, 2020

New graphene-based metasurface capable of independent amplitude and phase control of light

Researchers described a new strategy of designing metamolecules that incorporates two independently controllable subwavelength meta-atoms. This two-parametric control of the metamolecule secures the complete control of both amplitude and the phase of light.

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February 20, 2020

Methane emitted by humans vastly underestimated

Researchers measured methane levels in ancient air samples and found that scientists have been vastly underestimating the amount of methane humans are emitting into the atmosphere via fossil fuels. The researchers indicate that reducing fossil fuel use is a key target in curbing climate change.

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February 20, 2020

Risk of coronavirus importation in Africa

Egypt, Algeria and Republic of South Africa are the African countries most at risk for coronavirus COVID-19 importation in the continent, due to high air traffic with the contaminated Chinese provinces. But these countries are also among the best equipped on the continent to quickly detect and deal with new cases. In other African countries, the risk of importation is lower, but health organization deficiencies raise concerns about rapid spread.

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February 20, 2020

Journey to the center of Mars

While InSight's seismometer has been patiently waiting for the next big marsquake to illuminate its interior and define its crust-mantle-core structure, two scientists, have built a new compositional model for Mars. They used rocks from Mars and measurements from orbiting satellites to predict the depth to its core-mantle boundary, some 1,800 km beneath the surface and have been able to suggest that its core contains moderate amounts of sulfur, oxygen and hydrogen as light elements.

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February 20, 2020

New front opened in fight against common cancer driver

Researchers have revealed a new vulnerability in lymphomas that are driven by one of the most common cancer-causing changes in cells. The team hopes that this could be a new target for treating a range of cancers.

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February 20, 2020

Earthquakes disrupt sperm whales' ability to find food

Scientists studying sperm whales have discovered earthquakes affect their ability to find food for at least a year. The research is among the first to examine the impact of a large earthquake on a population of marine mammals, and offers new insight into how top predators such as sperm whales react and adapt to a large-scale natural disturbance.

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February 20, 2020

'Wood' you like to recycle concrete?

Scientists studied a method for recycling unused concrete with wood fibers. They found the conditions that produce new building materials with bending strength even greater than the original concrete. This work may help reduce the CO2 emissions associated with manufacturing new concrete.

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February 20, 2020

Cell biology: How to keep the nucleus clean

RNA turnover in the nuclei of eukaryotic cells is controlled by the RNA exosome aided by numerous cofactors. Researchers at now show how two major nuclear exosome cofactors recognize their RNA targets to keep a clean nuclear environment. This is important for the health of our cells - and thus humans.

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Wednesday, February 19, 2020

February 19, 2020

Targeting turncoat immune cells to treat cancer

A new study has identified a mechanism by which regulatory T cells, which suppress immune responses, adapt their metabolism to thrive in the harsh microenvironment of the tumor.

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February 19, 2020

New world record for conversion of solar energy to electricity using quantum dots

Researchers have set a world record for the conversion of solar energy to electricity via the use of tiny nanoparticles called 'quantum dots'. The technology has a huge range of potential applications, including the possibility to use it as a flexible, transparent skin to power cars, planes, homes and wearable technology.

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February 19, 2020

Highly sensitive sensors show promise in enhancing human touch

People rely on a highly tuned sense of touch to manipulate objects, but injuries to the skin and the simple act of wearing gloves can impair this ability. Scientists report the development of a new tactile-enhancement system based on a highly sensitive sensor. The sensor has remarkable sensitivity, allowing the wearer to detect the light brush of a feather. This crack-based sensor was inspired by a spider's slit organ.

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February 19, 2020

Unexpected insights into the dynamic structure of mitochondria

As power plants and energy stores, mitochondria are essential components of almost all cells in plants, fungi and animals. Until now, it has been assumed that these functions underlie a static structure of mitochondrial membranes. Researchers have now discovered that the inner membranes of mitochondria are not static, but constantly change their structure every few seconds in living cells.

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February 19, 2020

Creating custom light using 2D materials

Making artificial structures that emit light tailored to our specific needs is an even more attractive proposition. However, light emission in a semi-conductor only occurs when certain conditions are met. Researchers have discovered an entire class of two-dimensional materials that are the thickness of one or a few atoms. When combined together, these atomically thin crystals are capable of forming structures that emit customizable light in the desired color.

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February 19, 2020

How too much fluoride causes defects in tooth enamel

Exposing teeth to excessive fluoride alters calcium signaling, mitochondrial function, and gene expression in the cells forming tooth enamel -- a novel explanation for how dental fluorosis, a condition caused by overexposure to fluoride during childhood, arises.

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February 19, 2020

Dog domestication during ice age

Analysis of Paleolithic-era teeth from a 28,500-year-old fossil site in the Czech Republic provides supporting evidence for two groups of canids -- one dog-like and the other wolf-like - with differing diets, which is consistent with the early domestication of dogs.

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February 19, 2020

Cobalt supply can meet demand for electric vehicle and electronics batteries

Greater use of electric vehicles might be good for the environment, but further growth hinges on continued availability of critical battery components such as cobalt. Cell phones and other electronics also depend on the element's availability. Supplies of the metal are adequate in the short term, but shortages could develop down the road if refining and recycling aren't ramped up or made more efficient, according to new research.

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February 19, 2020

A new way to assess male fertility

Current tests for male fertility include measuring the concentration and motility of spermatozoa. However, other characteristics of sperm, such as their ability to follow a chemical trail to the egg, can influence the likelihood of fertilization. Now, researchers have devised a quick and convenient microfluidic chip to assess this chemotactic response of spermatozoa, which could help provide a more complete picture of a man's fertility.

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February 19, 2020

'Flapping wings' powered by the sun

In ancient Greek mythology, Icarus' wax wings melted when he dared to fly too close to the sun. Now, researchers have made artificial wings that are actually powered by the sun. The tiny wings, which can flap even faster than those of butterflies, could someday be used in robots or devices for solar energy harvesting, the researchers say.

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Tuesday, February 18, 2020

February 18, 2020

The origins of roughness

Most natural and artificial surfaces are rough: metals and even glasses that appear smooth to the naked eye can look like jagged mountain ranges under the microscope. There is currently no uniform theory about the origin of this roughness despite it being observed on all scales, from the atomic to the tectonic. Scientists suspect that the rough surface is formed by irreversible plastic deformation that occurs in many processes of mechanical machining of components such as milling.

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February 18, 2020

First research results on the 'spectacular meteorite fall' of Flensburg

A fireball in the sky, accompanied by a bang, amazed hundreds of eyewitnesses in northern Germany in mid-September last year. The reason for the spectacle was a meteoroid entering the Earth's atmosphere and partially burning up. Planetologists have been studying a part of the meteorite. They found out that the meteorite contains minerals that formed under the presence of water on small planetesimals in the early history of our solar system.

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February 18, 2020

Scientists pioneer new way to study exoplanets

A team of scientists using the Low Frequency Array radio telescope in the Netherlands has observed radio waves that carry the distinct signatures of aurorae, caused by the interaction between a star's magnetic field and a planet in orbit around it.

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February 18, 2020

New catalyst recycles greenhouse gases into fuel and hydrogen gas

Scientists have taken a major step toward a circular carbon economy by developing a long-lasting, economical catalyst that recycles greenhouse gases into ingredients that can be used in fuel, hydrogen gas, and other chemicals. The results could be revolutionary in the effort to reverse global warming, according to the researchers.

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February 18, 2020

Fox News Breaking News Alert

Fox News Breaking News Alert

Inside the Mike Bloomberg-funded network of anti-Trump climate lawyers working in blue-state AG offices

02/18/20 5:06 AM

Monday, February 17, 2020

February 17, 2020

Fox News Breaking News Alert

Fox News Breaking News Alert

NASCAR driver Ryan Newman's injuries 'not life-threatening' after fiery Daytona 500 crash, family says

02/17/20 7:10 PM
February 17, 2020

Vaccine misinformation and social media

People who rely on social media for information were more likely to be misinformed about vaccines than those who rely on traditional media, according to a new study. The study, based on surveys of nearly 2,500 US adults, found that up to 20% of respondents were at least somewhat misinformed about vaccines.

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February 17, 2020

New guidelines on aspirin in primary prevention

New guidelines recommend aspirin use in primary prevention for people ages 40 to 70 years old who are at higher risk of a first cardiovascular event, but not for those over 70. Yet, people over 70 are at higher risks of cardiovascular events than those under 70. As a result, health care providers are understandably confused about whether or not to prescribe aspirin for primary prevention of heart attacks or strokes, and if so, to whom.

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February 17, 2020

Leaking away essential resources isn't wasteful, actually helps cells grow

Experts have been unable to explain why cells from bacteria to humans leak essential chemicals necessary for growth into their environment. New mathematical models reveal that leaking metabolites -- substances involved in the chemical processes to sustain life with production of complex molecules and energy -- may provide cells both selfish and selfless benefits.

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February 17, 2020

Systems analysis for a new Arctic

A major new report highlights new and emerging policy trends in the Arctic, a region on the front lines of climate change, geopolitics, and global governance.

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February 17, 2020

New green technology generates electricity 'out of thin air'

Electrical engineers and microbiologists have created a device they call an 'Air-gen.' or air-powered generator, with electrically conductive protein nanowires produced by the microbe Geobacter. The Air-gen connects electrodes to the protein nanowires in such a way that electrical current is generated from the water vapor naturally present in the atmosphere.

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February 17, 2020

Breakthrough Listen releases 2 petabytes of data from SETI survey of Milky Way

Breakthrough Listen announced its second major release of SETI data: a radio survey of the plane of the Milky Way and the galactic center. The public is urged to search the data for signals from intelligent civilizations. A former undergraduate initiated the analysis by looking at emissions from 20 nearby stars that could see Earth transiting our sun. The VLA also signed on to capture radio data for SETI.

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February 17, 2020

Combination drug therapy for childhood brain tumors shows promise in laboratory models

In experiments with human cells and mice, researchers report evidence that combining the experimental cancer medication TAK228 (also called sapanisertib) with an existing anti-cancer drug called trametinib may be more effective than either drug alone in decreasing the growth of pediatric low-grade gliomas.

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Sunday, February 16, 2020

February 16, 2020

New technologies, strategies expanding search for extraterrestrial life

New technologies that enable new strategies are revitalizing the Search for Extraterrestrial Intelligence (SETI), by not only augmenting the traditional search for intelligently-generated radio signals but also allowing searches for other signs of life and technological activity.

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February 16, 2020

Computer-generated genomes

Chemists have described how computational algorithms paired with chemical DNA synthesis enable digital manufacturing of biological systems up to the size of entire microbial genomes. They have made insights related to the design, building and testing of a computer-generated bacterial genome and can discuss how algorithms simplify the synthesis of genomes to advance understanding of living systems.

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Saturday, February 15, 2020

February 15, 2020

Researchers devise approach to reduce biases in computer vision data sets

Addressing problems of bias in artificial intelligence, computer scientists have developed methods to obtain fairer data sets containing images of people. The researchers propose improvements to ImageNet, a database of more than 14 million images that has played a key role in advancing computer vision over the past decade.

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February 15, 2020

Mechanism of controlling autophagy by liquid-liquid phase separation revealed

Scientists elucidated characteristics of PAS through observing the Atg protein using a fluorescence microscope and successfully reconstituted PAS in vitro. The team revealed, for the first time, that PAS is in the state of liquid droplets formed by liquid-liquid phase separation of Atg13 together with other Atg proteins and that this liquid droplet is responsible for autophagy.

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February 15, 2020

How social media makes breakups that much worse

Even those who use Facebook features like unfriending, unfollowing, blocking and Take a Break still experience troubling encounters with ex-partners online, a new study shows.

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February 15, 2020

World's first congenital pituitary hypoplasia model developed using patient-derived iPS cells

Researchers have developed the world's first congenital pituitary hypoplasia (CPH) model using patient-derived iPS cells. The research group succeeded in using the model to illuminate the mechanisms underlying CPH. The team has been attempting to apply this model to other pituitary diseases and drug discovery.

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February 15, 2020

To help wildlife move, researchers map both natural and legal boundaries

Researchers have developed a way to find the path of least resistance in creating wildlife corridors by mapping not only habitat but also the types of legal authority governing the landscape. They demonstrate this by mapping the streams in an entire county in northeastern Washington that stretches from the Rocky Mountain foothills to the Cascades.

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February 15, 2020

Researchers were not right about left brains

The left and right side of the brain are involved in different tasks. This functional lateralization and associated brain asymmetry are well documented in humans. Scientists now challenge the long-held notion that the human pattern of brain asymmetry is unique. They found the same asymmetry pattern in chimpanzees, gorillas, and orangutans. However, humans were the most variable in this pattern. This suggests that lateralized, uniquely human cognitive abilities evolved by adapting a presumably ancestral asymmetry pattern.

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February 15, 2020

Device mimics brain cells used for human vision

In a study featured as the cover article appearing today in the journal Science Advances, a UCF research team showed that by combining two promising nanomaterials into a new superstructure, they could create a nanoscale device that mimics the neural pathways of brain cells used for human vision.

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February 15, 2020

Galactic cosmic rays affect Titan's atmosphere

Planetary scientists have revealed the secrets of the atmosphere of Titan, the largest moon of Saturn. The team found a chemical footprint in Titan's atmosphere indicating that cosmic rays coming from outside the Solar System affect the chemical reactions involved in the formation of nitrogen-bearing organic molecules. This is the first observational confirmation of such processes, and impacts the understanding of the intriguing environment of Titan.

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February 15, 2020

5200-year-old grains in the eastern Altai Mountains redate trans-Eurasian crop exchange

Cereals from the Fertile Crescent and broomcorn millet from northern China spread across the ancient world, integrating into complex farming systems that used crop-rotation cycles enabled by the different ecological regions of origin. The resulting productivity allowed for demographic expansions and imperial formation in Europe and Asia. In this study, scientists illustrate that people moved these crops across Eurasia earlier than previously realized, adapting cultivation methods for harsh agricultural environments.

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