Current Globular Clusters News and Events

Current Globular Clusters News and Events, Globular Clusters News Articles.
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Study of auto recalls shows carmakers delay announcements until they 'hide in the herd'
Automotive recalls are occurring at record levels, but seem to be announced after inexplicable delays. A research study of 48 years of auto recalls announced in the United States finds carmakers frequently wait to make their announcements until after a competitor issues a recall - even if it is unrelated to similar defects. (2021-02-22)

Big Data to model the evolution of the cosmic web
The Instituto de Astrofísica de Canarias (IAC) has led an international team which has developed an algorithm called COSMIC BIRTH to analyse large scale cosmic structures. This new computation method will permit the analysis of the evolution of the structure of dark matter from the early universe until the formation of present day galaxies. This work was recently published in the journal Monthly Notices of the Royal Astronomical Society (MNRAS). (2021-02-22)

Locked MOFs are the key to high porosity
Sophisticated geometry design gives rise to a new form of crystalline material. (2021-02-18)

Past earthquakes triggered large rockslides in the Eastern Alps
Geologists from the University of Innsbruck shed new light on a long-lasting debate about the trigger mechanism of large rockslides. Lake mud in two Alpine lakes in Tyrol reveal that rare strong earthquakes are the final cause of multiple, prehistoric rockslides in the Eastern Alps. The steep rock slopes were degraded by a series of prehistoric earthquakes, larger than any of the historically documented events in the region of the past ~1000 years. The study has now been published in the Journal Nature Communications. (2021-02-16)

Hubble uncovers concentration of small black holes
Scientists were expecting to find an intermediate-mass black hole at the heart of the globular cluster NGC 6397, but instead they found evidence of a concentration of smaller black holes lurking there. New data from the NASA/ESA Hubble Space Telescope have led to the first measurement of the extent of a collection of black holes in a core-collapsed globular cluster. (2021-02-11)

Astronomers offer possible explanation for elusive dark-matter-free galaxies
A team led by astronomers at the University of California, Riverside, has found that some dwarf galaxies may today appear to be dark-matter free even though they formed as galaxies dominated by dark matter in the past. (2021-02-09)

In-depth analysis identifies causes and mitigation efforts in COVID-19 cluster
As part of the response to the cluster, Brigham researchers also conducted a case-control study and whole-genome sequencing to identify factors that may have been involved in the virus's spread as well as the most likely chain of transmission. The lessons gleaned from their data have helped inform infection control efforts. (2021-02-08)

How metal atoms can arrange themselves on an insulator
In order to produce tiny electronic memories or sensors in future, it is essential to be able to arrange individual metal atoms on an insulating layer. Scientists at Bielefeld University's Faculty of Chemistry have now demonstrated that this is possible at room temperature: molecules of the metal-containing compound molybdenum acetate form an ordered structure on the insulator calcite without jumping to other positions or rotating. Their findings have been presented in the Nature Communications journal. (2021-02-04)

The secrets of 3000 galaxies laid bare
The complex mechanics determining how galaxies spin, grow, cluster and die have been revealed following the release of all the data gathered during a massive seven-year Australian-led astronomy research project. (2021-02-02)

Supersaturation: The barrier between protein folding and misfolding
It's commonly accepted that protein folding/misfolding are alternative reactions of unfolded proteins but the principles governing this remain unknown. Here, researchers from Osaka University describe a general concept that links protein folding and misfolding: protein folding and amyloid formation are separated by the supersaturation barrier of a denatured protein. Breakdown of this supersaturation barrier is required to shift the protein to the amyloid pathway, linking Anfinsen's intramolecular folding universe with the ''outer'' intermolecular misfolding universe. (2021-02-01)

Precision measurements of intracluster light suggest possible link to dark matter
Faint light from rogue stars not bound to galaxies has been something of a mystery to scientists. The dimness of this intracluster light makes it difficult to measure, and no one knows how much there is. Scientists on the Dark Energy Survey, led by Fermilab, have made the most radially extended measurement of this light ever, and they've found that its distribution might point to the distribution of dark matter. (2021-01-27)

Squeeze it like toothpaste: The flexible brain of marsupial mammals
Being stretchy and squeezable may be the key to finding space for the brain in mammals, including humans. An international study, co-led by Flinders University's Vera Weisbecker, has revealed that marsupial mammals like possums, kangaroos, and wombats appear to have a lot of flexibility when it comes to accommodating their brains into their skulls. (2021-01-27)

New technique builds super-hard metals from nanoparticles
Brown University researchers have shown a way to make bulk metals by smashing tiny metal nanoparticles together, which allows for customized grain structures and improved mechanical and other properties. (2021-01-22)

Alpha particles lurk at the surface of neutron-rich nuclei
Scientists from an international collaboration have found evidence of alpha particles at the surface of neutron-rich heavy nuclei, providing new insights into the structure of neutron stars, as well as the process of alpha decay. (2021-01-21)

The physics behind tumor growth
Researchers at Duke University have developed a predictive theory for tumor growth that approaches the subject from a new point of view. Rather than focusing on the biological mechanisms of cellular growth, the researchers instead use thermodynamics and the physical space the tumor is expanding into to predict its evolution from a single cell to a complex cancerous mass. (2021-01-20)

Automakers delay recalls to minimize stock penalties, avoid being the first safety issue in news
An initial recall by one firm prompts clusters of additional recalls in close proximity by competitor firms, according to 'Hiding in the Herd: The Product Recall Clustering Phenomenon,' forthcoming in Manufacturing and Service Operations Management from Kaitlin Wowak, assistant professor of IT, analytics, and operations at Notre Dame's Mendoza College of Business. (2021-01-19)

Helium nuclei at the surface of heavy nuclei discovered
Scientists are able to selectively knockout nucleons and preformed nuclear clusters from atomic nuclei using high-energy proton beams. In an experiment the existence of preformed helium nuclei at the surface of several tin isotopes could be identified in a reaction. The results confirm a theory, which predicts the formation of helium clusters in low-density nuclear matter and at the surface of heavy nuclei. (2021-01-15)

Study the boundary between bulk, nano and molecule scale of gold plasmonic physics
The collective behavior of electrons in metal plasmons reflects the important difference between condensed matter and molecule-like ones. With the help of gold clusters with precise atom numbers(N), the evolution of plasmonic response is clarified and three regimes are observed, each with distinct physics. An atomically-precise evolution picture of plasmon physics is shown with 3 regimes: classical plasmon (N=887-70000), quantum confinement corrected plasmon (N=300-887) and molecule related plasmon (N<300). (2021-01-14)

When galaxies collide: Hubble showcases six beautiful galaxy mergers
To celebrate a new year, the NASA/ESA Space Telescope has published a montage of six beautiful galaxy mergers. Each of these merging systems was studied as part of the recent HiPEEC survey to investigate the rate of new star formation within such systems. These interactions are a key aspect of galaxy evolution and are among the most spectacular events in the lifetime of a galaxy. (2021-01-07)

Prediabetes subtypes identified
All prediabetes is not the same: in people in the preliminary stages of type 2 diabetes, there are six clearly distinguishable subtypes, which differ in the development of the disease, diabetes risk, and the development of secondary diseases. The new classification can help in the future to prevent the manifestation of diabetes or the development of diabetes complications through targeted prevention. (2021-01-04)

Archaeologists from Kuzbass created a 3D model of a part of the Tepsei archaeological site
The scientists worked in cooperation with specialists from the RSSDA laboratory (Moscow). Together, they completed a 3D virtual model of one of the clusters. (2020-12-24)

Speeding toward improved hydrogen fuel production
A new material developed by a team led by Berkeley Lab will help to make hydrogen a viable energy source for a wide range of applications. (2020-12-21)

The Milky Way primordial history and its fossil findings
Recently discovered and named, the ''Bulge Fossil Fragments'' represent a new class of stellar systems composed of the relics of primordial massive clumps of gas and stars that originated the core of our galaxy approximately 12 billion years ago (2020-12-18)

Longest intergalactic gas filament discovered
Astrophysicists led by the University of Bonn (Germany) have for the first time observed a gas filament with a length of 50 million light years. Its structure is strikingly similar to the predictions of computer simulations. The observation therefore also confirms our ideas about the origin and evolution of our universe. The results are published in the journal Astronomy & Astrophysics. (2020-12-17)

Fibrous protein finding may lead to improved bioprinting, tissue engineering
Fibrous proteins such as collagen and fibrinogen form a thin solid layer on the surface of an aqueous solution similar to the 'skin' that forms on warm milk, according to a team of Penn State Researchers, who believe this finding could lead to more efficient bioprinting and tissue engineering. (2020-12-17)

New Hubble data explains missing dark matter
New data from the NASA/ESA Hubble Space Telescope provides further evidence for tidal disruption in the galaxy NGC 1052-DF4. This result explains a previous finding that this galaxy is missing most of its dark matter. By studying the galaxy's light and globular cluster distribution, astronomers have concluded that the gravity forces of the neighbouring galaxy NGC 1035 stripped the dark matter from NGC 1052-DF4 and are now tearing the galaxy apart. (2020-11-26)

RUDN University research team of mathematicians suggested a new decision making algorithm
A research team from RUDN University developed an algorithm to help large groups of people make optimal decisions in a short time. They confirmed the efficiency of their model using the example of the market at which the outbreak of COVID-19 began. The model helped the administration and sellers agree on closing the market and reach a consensus about the sums of compensations in just three steps. (2020-11-25)

Imaging method reveals a 'symphony of cellular activities'
MIT researchers have developed a way to simultaneously image up to five different molecules within a cell, by targeting glowing reporters to distinct locations inside the cell. This approach could allow scientists to learn much more about the complex signaling networks that control most cell functions. (2020-11-23)

Recording the symphony of cellular signals that drive biology
Like a computer, cells must process information from the outside world before they respond. Scientists have now developed a powerful new way to observe the internal discussions responsible for cellular decisions. (2020-11-23)

Milky Way family tree
Galaxies formed by the merging of smaller progenitor galaxies. An international team of astrophysicists led by a scientist from Heidelberg University has succeeded in reconstructing the merger history of our home galaxy, creating a complete family tree. To achieve this, the researchers analysed the properties of globular clusters orbiting the Milky Way with artificial intelligence. Their investigations revealed a previously unknown galaxy collision that must have permanently altered the appearance of the Milky Way. (2020-11-23)

Giant aquatic bacterium is a master of adaptation
The largest freshwater bacterium, Achromatium oxaliferum, is highly flexible in its requirements, as researchers led by the IGB have now discovered: It lives in places that differ extremely in environmental conditions such as hot springs and ice water. The adaptation is probably achieved by a process which is unique to these bacteria: only relevant genes are enriched in the genomes and transcribed, while others are archived in cell compartments. (2020-11-19)

Oil droplet predators chase oil droplet prey
Oil droplets can be made to act like predators, chasing down other droplets that flee like prey mimicking behavior seen among living organisms. (2020-11-17)

Scientists discover a new mineral
The research team headed by Stanislav Filatov, Professor at the Department of Crystallography at St Petersburg University, has discovered a new mineral species in Kamchatka - petrovite. The scientists named the find in honour of Tomas Petrov, an outstanding crystallographer and Professor at St Petersburg University. He together with his students Arkady Glikin and Sergei Moshkin, was the first in the world to create a technology for growing jewellery malachite. (2020-11-16)

Crossing international borders can be deadly for forced migrants
Crossing international borders can be dangerous, if not deadly, for refugees and asylum seekers, who have been displaced by conflict or a humanitarian crisis. According to data from the International Organization for Migration, from January 2014 to December 2018, there were more than 16,300 forced migrant deaths. These deaths did not occur at random but occurred in clusters reflecting distinct patterns in space and time that can be addressed by humanitarian interventions, according to a Dartmouth-led research team. (2020-11-16)

History of temperature changes in the Universe revealed
How hot is the Universe today? How hot was it before? A new study by an international team of researchers, including members of the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU), suggests that the mean temperature of gas in large structures of the Universe has increased about 3 times in the last 8 billion years, to reach about two million Kelvin today. (2020-11-13)

Re-mapping taste in the brain
A new study from Stony Brook University found that the map of neural responses mediating taste perception does not involve, as previously believed, specialized groups of neurons in the brain, but rather overlapping and spatially distributed populations. (2020-11-12)

In the Netherlands, two-way transmission of SARS-CoV-2 transmission on mink farms
In the Netherlands, whole genome sequencing of SARS-CoV-2 outbreaks on 16 mink farms has revealed virus transmission between human to mink, as well as from mink to human. (2020-11-10)

Galaxies have gotten hotter as they've gotten older
Who says you can't get hotter with age? Researchers from Johns Hopkins University and other institutions have found that, on average, the temperature of galaxy clusters today is 4 million degrees Fahrenheit. That is 10 times hotter than 10 billion years ago, and four times hotter than the Sun's outermost atmosphere called the corona. The findings are published in the Astrophysical Journal. (2020-11-10)

The universe is getting hot, hot, hot, a new study suggests
The universe is getting hotter, a new study has found. The study, published Oct. 13 in the Astrophysical Journal, probed the thermal history of the universe over the last 10 billion years. It found that the mean temperature of gas across the universe has increased more than 10 times over that time period and reached about 2 million degrees Kelvin today -- approximately 4 million degrees Fahrenheit. (2020-11-10)

Ultrafast laser experiments pave way to better industrial catalysts
Arizona State University's Scott Sayres and his team have recently published an ultrafast laser study on uncharged iron oxide clusters, which could ultimately lead to the development of new and less-expensive industrial catalysts. It might also contribute to a better understanding of the universe since iron oxides are observed in the emission spectra of stars. (2020-11-10)

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