- PhysOrg
- 22/8/31 23:08
A new study from a Florida State University team estimates that sugarcane fires in South Florida emit harmful particulate matter in quantities comparable to motor vehicles and is a factor in mortality rates across the region.
3,703 articles mezi dny 1.8.2022 a 31.8.2022
A new study from a Florida State University team estimates that sugarcane fires in South Florida emit harmful particulate matter in quantities comparable to motor vehicles and is a factor in mortality rates across the region.
Antibiotic resistance is a problem that impacts tens of millions of people each year worldwide. According to the CDC, "more than 2.8 million antibiotic-resistant infections occur in the United States each year, and more than 35,000 people die as a result." Drug-resistant infections are threatening advances in surgery, wound healing, cancer treatment, organ transplants and many other areas of...
Brook trout are disappearing from American streams. Amphibian habitats are changing. Coral species are dying.
The American River Basin in central California expects to see increasing temperatures and a declining snowpack through the end of the 21st century. The Bureau of Reclamation released the American River Basin Study today, which also found an increased variability of fall and winter precipitation that will amplify the severity of droughts and flooding in the basin. The report is available on...
Jennifer Choy makes atom-size antennas. They bear no resemblance to the telescoping rod that transmits pop hits through a portable stereo. But functionally, they're similar. They're quantum sensors, picking up tiny electromagnetic signals and relaying them in a way we can measure.
The Rutgers New Jersey Gun Violence Research Center has gathered data to determine how common gun ownership has become in New Jersey and how gun owners store and use their weapons.
Researchers have gained important insight into how the human brain processes an object in the visual system and where in the brain this processing takes place. The study shows people perceive objects differently depending on their prior knowledge and experience with that object.
St. Jude Global and international partners launched SAFER Ukraine to help Ukrainian children with cancer and blood disorders safely continue treatment, creating a model for how organizations can respond to other crises.
A person's blood type may be linked to their risk of having an early stroke, according to a new meta-analysis. The meta-analysis included all available data from genetic studies focusing on ischemic strokes, which are caused by a blockage of blood flow to the brain, occurring in younger adults under age 60.
In the last 50 years, oxygen-deficient zones in the open ocean have increased. Scientists have attributed this development to rising global temperatures: Less oxygen dissolves in warmer water, and the tropical ocean's layers can become more stratified.
Phosphorus is one of the elements that is crucial for the construction of organisms and their metabolism. Its cycle across the environments is also one of the best understood. However, it occurred to the Czech paleontologists Peter Kraft and Michal Mergl that there could still be some white spaces on the map of our understanding of such a fundamental process. Their publication, which takes a new...
Today it only takes one and a half hours to make a superconducting particle accelerator at the Department of Energy's SLAC National Accelerator Laboratory colder than outer space.
A French-Japanese research collaboration has fabricated metal nanocomposite coatings that improve the insulating properties of window glasses. The new coating prevents a significant portion of near-infrared (NIR) and ultraviolet rays (UV) from passing through, while at the same time admitting visible light. The findings were reported in the journal Science and Technology of Advanced Materials.
Researchers hope scaled-up version could one day generate oxygen to sustain humans on MarsAn instrument the size of a lunchbox has been successfully generating breathable oxygen on Mars, doing the work of a small tree.Since February last year the Mars oxygen in-situ resource utilisation experiment, or Moxie, has been successfully making oxygen from the red planet’s carbon dioxide-rich...
New research confirms that ethnicity is a risk factor for developing kidney disease in people with Type 1 diabetes. The findings also show people of African-Caribbean heritage and living with diabetes have nearly a 60 percent greater risk of advanced kidney disease.
A new method for correcting errors in the calculations of quantum computers potentially clears a major obstacle to a powerful new realm of computing.
The risk of children being orphaned per COVID-19 death is highest in the poorest countries and those where people of reproductive age have the highest rates of non-communicable diseases, according to a new study.
A review of 22 previously published studies suggests that taking micro-breaks -- discontinuing a task for periods of 10 minutes or less -- is generally associated with reduced fatigue and increased vigor.
A new study points to possible new treatments for chronic pain with a surprising link to lung cancer. Findings of the research, conducted in laboratory mouse models, open up multiple therapeutic opportunities that could allow the world to improve chronic pain management and eclipse the opioid epidemic.
The MOXIE experiment has now produced oxygen on Mars. It is the first demonstration of in-situ resource utilization on the Red Planet, and a key step in the goal of sending humans on a Martian mission.
Researchers have documented that corals can pass mutations acquired during their lifetimes to their offspring, providing increased genetic diversity for potential evolutionary adaptation.
Romanian research shows ‘micro-breaks’ of up to 10 minutes may help to reduce fatigueIt may not be long enough to pop to the shops or head out for a run, but taking a work break of less than 10 minutes could still boost wellbeing, research suggests.The team behind the analysis say “micro-breaks” appear to reduce fatigue and help workers feel more vigorous. Continue...
Qubits are the building blocks of quantum computers, which have the potential to revolutionize many fields of research by solving problems that classical computers can't.
When lightning ignited the bone-dry foothills of the Sierra Nevada last year, forestry crews fanned out across Sequoia National Park to defend an ancient grove of California redwoods from wildfire.
Some high school students across the country can take a new Advanced Placement course this fall.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. Subject to memorization in school and known as the definitive planetary lineup, Pluto was included in the list until the International Astronomical Union determined it did not meet qualifications in 2006.
The patient was a success story, his advanced melanoma erased by a popular new cancer treatment. Known as immune checkpoint inhibitors, the drugs coax the immune system to seek and destroy cancer cells—and in this case, they “worked beautifully,” says Kerry Reynolds, an oncologist at Massachusetts General Hospital (MGH) who helped care for the man. But about a month after...
Leaders of teacher groups who were thought of as humble helped improve professionalism and collaboration among team members, new research has shown.
A new classification of the world's coastlines has been released to improve coastal climate change adaptation at the local, regional and national level and strengthen coordinated climate action worldwide. The classification builds on the Coastal Hazard Wheel that is a universal coastal management framework and is developed by the Coastal Hazard Wheel initiative involving Deltares, the UN...
Individuals who actively choose to save for retirement via so-called sustainable funds are not only driven by values of equality, justice and the environment. They also have a tendency to prioritize authority, and attach less importance to wealth. This is shown by a new study from the University of Gothenburg.
Researchers from Vrije Universiteit Amsterdam, Dartmouth College, Babson College, and LUISS University published a new paper in the Journal of Marketing that shows how to de-escalate customer anger on social media sites by using language that signals active listening and empathy.
Reverse osmosis (RO) has attracted wide attention for its extensive applicability in brackish water and seawater desalination. Thin-film composite (TFC) polyamide (PA) RO membranes consisting of a dense separating layer and a porous support layer have been the leading products of this field. However, relatively low permeability-selectivity of PA RO membrane and membrane fouling of TFC RO membrane...
Researchers from Tel Aviv University and the Israel Oceanographic and Limnological Research Institute in Haifa have developed an innovative technology that enables the growth of "enriched seaweed" infused with nutrients, proteins, dietary fiber, and minerals for human and animal needs.
Scientists at the Woods Hole Oceanographic Institution (WHOI) and European research institutions are calling for better protections for juvenile emperor penguins, as the U.S. Fish and Wildlife Service considers listing the species under the Endangered Species Act and the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) considers expanding the network of Marine...
Saffron is the world's most expensive spice. Usually obtained from the stigma of Crocus sativa flowers, it takes 150,000–200,000 flowers to produce one kilogram of saffron. Now, KAUST researchers have found a way to use a common garden plant to produce saffron's active ingredient, a compound with important therapeutic and food industry applications.
Exchanging pleasantries can leave lasting impression and affect future social interactions, research suggestsThe British may be mocked for their weather-related small talk but exchanging idle pleasantries can leave a lasting impression and affect future social interactions, research suggests.The study found just four minutes of chit-chat can give away aspects of our personality, such as whether we...
A review of 22 previously published studies suggests that taking micro-breaks—discontinuing a task for periods of 10 minutes or less—is generally associated with reduced fatigue and increased vigor. Patricia Albulescu of the West University of Timioara, Romania, and colleagues present these findings in the open-access journal PLOS ONE on August 31, 2022.
On the red and dusty surface of Mars, nearly 100 million miles from Earth, an instrument the size of a lunchbox is proving it can reliably do the work of a small tree.
In a discovery that challenges over a century of evolutionary conventional wisdom, corals have been shown to pass somatic mutations—changes to the DNA sequence that occur in non-reproductive cells—to their offspring. The finding, by an international team of scientists led by Penn State biologists, demonstrates a potential new route for the generation of genetic diversity, which is the raw...
The difference between a desirable, vibrant neighborhood and one that is stagnant and moribund can depend on the strength of its local associations. These groups often act as the engine of local public life, organizing the kinds of sporting activities, cookouts, festivals and holiday celebrations that tighten the community fabric.
Cilia are tiny, hair-like structures on cells throughout our bodies that serve a variety of functions including clearing our airways, circulating cerebrospinal fluid in our brains and transporting eggs in fallopian tubes. While researchers understand their function, they do not fully understand how they generate the specialized motions to carry out those functions.
There's a new, immersive way to explore some of the first full-color infrared images and data from NASA's JWST—through sound. Listeners can enter the complex soundscape of the Cosmic Cliffs in the Carina Nebula, explore the contrasting tones of two images that depict the Southern Ring Nebula, and identify the individual data points in a transmission spectrum of hot gas giant exoplanet WASP-96 b.
Researchers have developed a ground-breaking technology to culture natural tissue from female fetal fallopian tubes and uteri, potentially paving the way to help women born with reproductive abnormalities to attain normal function through the growth of their own cells.
Chief medical officers said the wave of Omicron variants was ‘subsiding’, although ‘further surges are likely’The UK’s Covid-19 alert level has been downgraded to level 2, meaning the virus is in “general circulation” but healthcare pressures and transmission are “declining or stable”.The chief medical officers of the UK nations and the national medical director of the NHS in...
Researchers know about many of cilia's roles, but not exactly how they beat in the first place. A new mathematical model aims to uncover the secret to cilia's beating motions.