Current Search Engine News and Events

Current Search Engine News and Events, Search Engine News Articles.
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High-throughput screening for Weyl semimetals with S4 symmetry
A new topological invariant χ is defined in systems with S4 symmetry to diagnose the existence of Weyl fermions. By calculating χ, the computational cost for searching Weyl semimetals is greatly reduced. Recently, Gao et al. implemented this method in the high-throughput screening and found a lot of new Weyl semimetal candidates with exotic properties, providing realistic platforms for future experimental study of the interplay between Weyl fermions and other exotic states. (2021-02-23)

Internet trends suggest COVID-19 spurred a return to earlier values and activities
American values and attitudes have changed dramatically during COVID-19, report researchers, including UCLA Professor Patricia Greenfield, in a new study of online behavior that analyzed more than half a billion words and phrases posted on Twitter, blogs and internet forums. This may be the largest analysis of socio-cultural change, using behavioral data, ever conducted in psychology. (2021-02-18)

How bacteria hunt bacteria
The research team led by Dr. Christine Kaimer from the Microbial Biology department at Ruhr-Universität Bochum (RUB) has taken a close look at predatory bacteria, which feed on other bacteria. Through microscopic examinations and protein analyses, they characterized the strategies used by the soil bacterium Myxococcus xanthus: It combines several mechanisms to kill structurally different prey bacteria, and also works in groups where necessary. (2021-02-16)

Citizens versus the internet
The online world is driven by the logic of the attention economy: Users' attention is a precious currency, and online environments are designed to capture and steer that attention. How can users respond to these challenges of the digital age and how might the design of the online world be improved? Researchers from the Max Planck Institute for Human Development and the University of Bristol has addressed these questions from the perspective of behavioral science. (2021-02-12)

Google Scholar renders documents not in English invisible
It affects scientific articles and conference papers, according to a recent study published in the journal Future Internet, by Cristòfol Rovira, Lluís Codina and Carles Lopezosa, researchers with the Department of Communication. (2021-02-10)

Time management can work but in unexpected ways, according to new research
Concordia University postdoc Brad Aeon and his colleagues Aïda Faber of Université Laval in Quebec City and Alexandra Panaccio, associate professor of management at John Molson, conducted a first-of-its-kind meta-analysis of time management literature. Their study pored over data from 158 separate studies spanning four decades, six continents and involving more than 53,000 respondents. Their conclusion? Yes, time management does work. Though maybe not as one might initially think. (2021-02-04)

Large-area periodic perovskite nanostructures for lenticular printing laser displays
We fabricated large-area periodic structures with spatial resolution at wavelength scale from hybrid perovskite materials via a space-confined solution growth method. It takes advantages of both high refractive index contrast and high luminescence brightness, which allows the optical modulation on not only the reflection of illumination, but also the light emission from hybrid perovskites. The distributed feedback within these periodic structures significantly improves the degree of polarization and directionality of laser action while its threshold is also reduced. (2021-02-04)

True identity of mysterious gamma-ray source revealed
An international research team including members from The University of Manchester has shown that a rapidly rotating neutron star is at the core of a celestial object now known as PSR J2039?5617 (2021-02-03)

The quick choice might be a choice-overload avoidance strategy
Making a choice quickly might appear effortless, but University at Buffalo research that measured cardiovascular responses in the moment of making a choice, rather than after-the-fact, suggests that the apparent swift certainty might instead be a defense from having to think too deeply about the choices being presented to them. (2021-02-03)

New piezoelectric material remains effective to high temperatures
Piezoelectric materials hold great promise as sensors and as energy harvesters but are normally much less effective at high temperatures, limiting their use in environments such as engines or space exploration. However, a new piezoelectric device developed by a team of researchers from Penn State and QorTek remains highly effective at elevated temperatures. (2021-02-03)

The underestimated mutation potential of retrogenes
mRNA molecules from retrogenes are reverse transcribed to DNA and incorporated into the genome. (2021-02-02)

Amazon spreads vaccine misinformation, iSchool researchers find
Amazon's search algorithm gives preferential treatment to books that promote false claims about vaccines, according to research by UW Information School Ph.D. student Prerna Juneja and Assistant Professor Tanu Mitra. (2021-02-02)

Aging-US: Screening Alzheimer's disease by facial complexion using artificial intelligence
This Aging-US study showed that deep learning programs such as Xception have the ability to differentiate the faces of patients with mild dementia from that of patients without dementia. (2021-02-02)

Virtual conference CO2 emissions quantified in new study
The virtual conferencing that has replaced large, in-person gatherings in the age of COVID-19 represents a drastic reduction in carbon emissions, but those online meetings still come with their own environmental costs, new research from the University of Michigan shows. (2021-02-01)

Non-metallic electronic regulation in CuCo oxy-/thio-spinel as OER electrocatalysts
Researchers successfully prepared oxy-spinel of Cu1-xCo2+xO4 nanaoflakes and thio-spinel of Cu1-xCo2+xS4 nanospheres by a facile hydrothermal method. The resulting Cu1-xCo2+xO4 exhibits higher catalytic performances toward OER in alkaline media than Cu1-xCo2+xS4 for water oxidation. Experimentally and theoretically, the superior OER catalytic activity of Cu1-xCo2+xO4 nanoflakes mainly depends on the strongly-electronegativity of oxygen element in spinel structure, which determines the higher valence state of Co active sites in CuCo oxyspinel. (2021-02-01)

How heavy is dark matter? Scientists radically narrow the potential mass range for the first time
Scientists have calculated the mass range for Dark Matter - and it's tighter than the science world thought. (2021-01-27)

Aging-US: Growth factor beta type 1 and hypoxia-inducible factor 1 transcription complex
''The Aging-US authors report for the first time that in human breast cancer, AML and embryonic cells, HIF-1 and AP-1 upregulate the expression of TGF-β'' (2021-01-25)

Aging-US: Nicotinamide mononucleotide in degenerative model of retinal detachment
'This Aging-US article concludes that NMN administration exerts neuroprotective effects on photoreceptors' (2021-01-25)

How fast could SARS-CoV-2 be detected?
Researchers from Peking University developed an accurate, high-speed (?10 min for RNA analysis and ?5 min for immunoassay), portable bifunctional electrical detector based on graphene field-effect transistors for SARS-CoV-2 through either nucleic acid hybridization or antigen-antibody protein interaction. This approach enables high-throughput point-of-care testing outside of specialized diagnostic laboratories, which is of extreme importance for controlling the ongoing pandemic and support resumption of normal life and economic conditions. (2021-01-25)

Microbiome Search Engine 2 helps researchers explore microbiome space
To correlate the newly developed microbiomes with existing data sets, researchers from the Qingdao Institute of BioEnergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) and their collaborators developed the Microbiome Search Engine 2 (MSE 2). (2021-01-22)

Suicide-related internet searches during early stages of COVID-19 pandemic
This study monitored suicide-related internet search rates during the early stages of the COVID-19 pandemic in the United States and researchers report searches for suicide decreased during that time. Although this study cannot independently confirm that changes in search rates were caused by changes in population-level suicide rates, it showed that COVID-19 may have been inversely associated with population suicide trends between March and July 2020. (2021-01-21)

Inexpensive battery charges rapidly for electric vehicles, reduces range anxiety
Range anxiety, the fear of running out of power before being able to recharge an electric vehicle, may be a thing of the past, according to a team of Penn State engineers who are looking at lithium iron phosphate batteries that have a range of 250 miles with the ability to charge in 10 minutes. (2021-01-18)

Borrowing from birds, experts reduce search times for novel high-entropy alloys to seconds
Computational materials science experts at the US Department of Energy's Ames Laboratory enhanced an algorithm that borrows its approach from the nesting habits of cuckoo birds, reducing the search time for new high-tech alloys from weeks to mere seconds. (2021-01-14)

Research breaks new ground in understanding how a molecular motor generates force
A team of biophysicists set out to tackle the long-standing question about the nature of force generation by myosin, the molecular motor responsible for muscle contraction. The key question they addressed - one of the most controversial topics in the field - was: how does myosin convert chemical energy, in the form of ATP, into mechanical work? The answer revealed new details into how myosin, the engine of muscle and related motor proteins, transduces energy. (2021-01-14)

How 'Iron Man' bacteria could help protect the environment
In a new study, researchers show that microbes are capable of an incredible feat that could help reclaim a valuable natural resource and soak up toxic pollutants. (2021-01-08)

Why do males have to wait for 'round 2'? The reason may be different from what we think
New study refutes dominant theory claiming the hormone prolactin induces the male post-ejaculatory refractory period. (2021-01-04)

Army research leads to more effective training model for robots
Multi-domain operations, the Army's future operating concept, requires autonomous agents with learning components to operate alongside the warfighter. New Army research reduces the unpredictability of current training reinforcement learning policies so that they are more practically applicable to physical systems, especially ground robots. (2020-12-29)

Scientists suggested a method to improve performance of methanol fuel cells
Fuel cells based on methanol oxidation have a huge potential in the motor and technical industries. To increase their energy performance, scientists suggest using electrodes made of thin palladium-based metallic glass films. A group of researchers from Far Eastern Federal University (FEFU), Austria, Turkey, Switzerland, and the UK has developed a new metallic glass for this application. The results were reported in the Nanoscale journal. (2020-12-22)

Doctoral thesis introduces a scale to measure human's trust in technology
Siddharth Nakul Gulati's scale developed as part of his PhD can give a starting point for both researchers and practitioners alike to measure trust with different forms of technology and decide how they should be designed, developed and deployed. (2020-12-15)

Pizza can help address the dark matter mystery?
The IBS research team developed a novel multiple-cell cavity ('pizza cavity') haloscope that will extend the axion search band to higher-frequency regions. (2020-12-11)

Which product categories and industries benefit most from social advertising
New research from a team of scientists at four leading universities has shed new light on the effectiveness of social advertising in specific product categories to learn which product categories tend to benefit more from social advertising, and which may not. (2020-12-10)

Is George's 'Marvellous Medicine' medically useful, dangerous, or both?
Increased time at home during the covid-19 pandemic may inspire budding scientists to search for a cure, but researchers in the Christmas issue of The BMJ warn of the potential toxicity of homemade potions. (2020-12-10)

Geisinger researchers explore safety of ventilator sharing to mitigate equipment shortages
Using a single ventilator to support two patients could be feasible in crisis situations involving a ventilator shortage, researchers have found. (2020-12-03)

RUDN University professor suggested how to clean up space debris
A specialist in spacecraft movement control analyzed the process of placing vehicle stages, boosters, and other space debris into the so-called disposal orbit and suggested cleaning lower orbits up with a spacecraft that has modules with engine units on board. These modules will attach to space debris objects and move them away. As for the geostationary orbit, a preferable way to clean it up would be a towing spacecraft that transports space debris objects into the disposal orbit. (2020-12-02)

On-chip erbium-doped lithium niobate microcavity laser
Researchers developed a 1-mol% erbium-doped LN crystal and its LNOI on the silicon substrate, and fabricated an erbium-doped LNOI microdisk with a high quality factor (~1.05x10^5). C-band laser emission at ~1530 nm and ~1560 nm (linewidth 0.12 nm) from the high-Q erbium-doped LNOI microdisk was demonstrated with 974 nm and 1460 nm pumping, with the latter having better thermal stability. (2020-11-30)

COVID19 A research of Politecnico di Milano discovering the secrets of viral sequences
Use of an algorithm for computing viral mutations homogeneously across sources, using cloud computing. (2020-11-23)

Identifying compound classes through machine learning
Bioinformaticians at Friedrich Schiller University Jena, Germany together with colleagues from Finland and the USA, have now developed a unique method with which all metabolites in a sample can be taken into account, thus considerably increasing the knowledge gained from examining such molecules. The team reports on its successful research in the scientific journal Nature Biotechnology. (2020-11-23)

System brings deep learning to 'internet of things' devices
MCUNet is a new MIT system that brings machine learning to microcontrollers. The advance could enhance the function and security of devices connected to the Internet of Things (IoT). (2020-11-13)

Observation of four-charm-quark structure
Hadrons are composed of quarks, a type of fundamental particle, bound by the strong interaction. Recently, the LHCb collaboration discovered a new state X(6900) , which matches the properties of an exotic four-charm-quark hadron. This unusual structure, which is observed for the first time, makes it a unique system to study the quantum chromodynamics, the theory of the strong interaction. (2020-11-11)

Dark matter from the depths of the universe
Cataclysmic astrophysical events such as black hole mergers could release energy in unexpected forms. Exotic low-mass fields (ELFs), for example, could propagate through space and cause feeble signals detectable with quantum sensor networks such as the atomic clocks of the GPS network or the magnetometers of the GNOME network. These results are particularly interesting in the context of the search for dark matter, as low-mass fields are regarded as promising candidates for this exotic form of matter. (2020-11-11)

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