Новости за 18.05.2022

A research team from Carnegie Mellon University and Columbia have combined two emerging imaging technologies to better view a wide range of biomolecules, including proteins, lipids and DNA, at the nanoscale. Their technique, which brings together expansion microscopy and stimulated Raman scattering microscopy, is detailed in Advanced Science.

Engineers rely on catalysts for a vast array of applications from food manufacturing to chemical production, so finding efficient, environmentally friendly catalysts is an important avenue of research.

The ALICE collaboration at the Large Hadron Collider (LHC) has made the first direct observation of the dead-cone effect—a fundamental feature of the theory of the strong force that binds quarks and gluons together into protons, neutrons and, ultimately, all atomic nuclei. In addition to confirming this effect, the observation, reported in a paper published today in Nature, provides direct experimental access to the mass of a single charm quark before it is confined inside hadrons.

UT Southwestern researchers have discovered a molecular pathway that allows cells to sense when their lipid supplies become depleted, prompting a flurry of activity that prevents starvation. The findings, reported in Nature, might someday lead to new ways to combat metabolic disorders and a variety of other health conditions.

While the Voyager 1 spacecraft continues to return science data and otherwise operate as normal, the mission team is searching for the source of a system data issue.

Produced inside NASA's Cold Atom Lab, ultracold bubbles provide new opportunities to experiment with an exotic state of matter.

Think about people you know, and how you could tell they were around even if you couldn't see them: their voice, perhaps, or even a favored deodorant.

Two Rutgers University engineers specializing in the process of making drugs derived from living organisms have created an analytical tool they expect will accelerate the discovery and production of biologic drugs that are often at the cutting edge of biomedical research.

President Joe Biden warned Wednesday that the country will likely see "another tough hurricane season" this year, and he pledged that his administration was prepared to respond to the storms and help Americans recover from them.

A new analysis of NBA basketball broadcasts from 1998 to 2018 reveals a decline in acts of physical violence, such as pushing and elbowing, and a rise in acts of symbolic violence, such as shouting, trash talking, and menacing displays. Assaf Lev from the Department of Sports Therapy at Ono Academic College in Kiryat Ono, Israel, and colleagues present these findings in the open-access journal PLOS ONE on May 18.

Summertime is almost here, a time when many people try to beat the heat. But running air conditioners constantly can be expensive and wasteful. Now, researchers reporting in the ACS journal Nano Letters have designed a lightweight foam made from wood-based cellulose nanocrystals that reflects sunlight, emits absorbed heat and is thermally insulating. They suggest that the material could reduce buildings' cooling energy needs by more than a third.

The rollout of remote teaching in New Jersey during the COVID-19 pandemic was haphazard, under-resourced, inequitably delivered, contributed to student and teacher stress and may exacerbate digital and social inequality, according to a Rutgers study.

Several southern French towns sizzled in record high temperatures for May on Wednesday, while the month as whole is on track to be the hottest since records began, the national weather service said.

Each winter, spring, and summer, extreme weather forecasters and researchers meet to test the latest, most promising severe weather forecast tools and innovations to see how they perform in real-world settings.

A discovery by former Carnegie Mellon Ph.D. student, Mingyi Wang, leading a large collaborative team, sheds light on one way new particles are forming in the upper troposphere. The study, published in Nature, reveals an unexpected volatile reaction between nitric acid, sulfuric acid, and ammonia, synergistically creating new particles at a rapid rate. The findings suggest that in addition to carbon dioxide, there are other compounds in need of attention and regulation.

The effects of global warming are becoming more serious, and there is a strong demand for technological advances to reduce carbon dioxide emissions. Hydrogen is an ideal clean energy which produces water when burned. To promote the use of hydrogen energy, it is essential to develop safe, energy-saving technologies for hydrogen production and storage. Currently, hydrogen is made from natural gas, so it is not appropriate for decarbonization. Using a lot of energy to separate hydrogen would not make it qualify as clean energy.

New research in plants that colonized the base of an active stratovolcano reveals that two simple molecular steps rewired nutrient transport, enabling adaptation.

Wetlands across the globe are in danger of drowning from rising seas. But for decades, scientists held out hope that another aspect of climate change—rising carbon dioxide (CO2)—could trigger extra plant growth, enabling coastal wetlands to grow fast enough to outpace sea-level rise. That helpful side effect is disappearing, they discovered in a new study published May 18.

Biomarkers are components that may be present in biological samples and are related to specific diseases. Therefore, doctors can analyze biological samples from a patient to check their health condition or to monitor the progress of a specific therapy. Typically, these samples need to be purified and diluted before the analysis, and current medical diagnostic techniques rely on health care facilities and laboratories for these routine analyses. This is a lengthy process that requires trained personnel and expensive instrumentation to extract... Читать дальше...

Materials used in the fields of aerospace, automobiles, medical equipment and defense need to withstand extremely harsh environments. Small flaws in the materials, i.e. cracks, can lead to catastrophic consequences and massive economic loss. However, most materials cannot handle such high temperatures and pressures. Multimaterials, like functionally graded materials (FGMs), which combine different materials to produce improved performance, are ideal in these situations.

The Mediterranean diet is underpinned by diverse foods. However, after assessing agrobiodiversity consumption, production and conservation in the region, researchers say that further actions are needed—particularly on farms—to ensure food system resilience.

According to a new study published by Simon Fraser University researchers, 79 percent of residents in the City of Vancouver have access to a grocery store within a 15-minute walk and 99 percent had at least on grocery store within a 15-minute cycle.

In their effort to provide decisionmakers with insight into the consequences of climate change, climate researchers at NIOZ, Deltares and UU are bringing order to the large number of sea level projections, translating climate models to expected sea level rise. Their new overview study was published in the journal Earth's Future. These results offer tools for decision making on the shorter and longer term.

Historian Prof. Tamar Herzig, Vice Dean for Research at Entin Faculty of Humanities, exposed previously unknown evidence of an organized gang rape of a group of enslaved Jewish girls and women from North Africa in the Italian city of Livorno at the beginning of the 17th century. The rape was organized by Dr. Bernardetto Buonromei, a high-ranking state official at Livorno's slave prison, who was also able to silence any complaints and effectively erase the memory of the victims' suffering.

An isotope of a chemical element contains the same number of protons in the center of its atom, but when compared to another atom, the number of neutrons is different. Regarding water, some hydrogen and oxygen atoms within water molecules contain different number of neutrons, resulting in water isotopes. Because of the wide range of interactions that water molecules within precipitation can have with the surrounding atmosphere, research collaborators from Brazil and the United States have come together... Читать дальше...