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Science News Archive February 2021


Page 14 of 45

Data show lower daily temperatures lead to higher transmission of COVID-19

Research found that warmer temperatures lead to decreased COVID-19 case rates, while cooler temperatures increase the rate of new cases. The study analyzed daily low temperatures and infection rates from Jan 22 to April 6, 2020, in 50 countries and showed a significant correlation between temperature and transmission.

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Prion diseases: new clues in the structure of prion proteins

A new study has sequenced the carbohydrate structures of glycoproteins from two different sheep prion strains, revealing no major differences that could explain the diversity in prion strains. The findings suggest glycans may not be responsible for the biochemical and neuropathological differences between strains.

Atomic nuclei in the quantum swing

Researchers have successfully controlled quantum jumps in atomic nuclei using X-ray light, enabling ultra-precise atomic clocks and potentially powerful nuclear batteries. The technique requires precise control of high-energy X-ray pulses to manipulate quantum dynamics.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Call to action for research ethics in the time of COVID-19 and BLM

University of Illinois Chicago faculty members advocate for research ethics reforms to engage Black populations in COVID-19 and BLM-related studies. The authors recommend understanding ongoing trauma, acknowledging historical context, and ensuring diverse research teams to foster trust.

Origin of life -- Did Darwinian evolution begin before life itself?

Researchers demonstrate that basic features of simple polymers and prebiotic environment can give rise to selection processes that reduce disorder. They identify specific base sequences that enable oligomers to fold into particular shapes, leading to the emergence of catalytically active complexes like ribozymes.

Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Sex that is not for reproduction

Paramecium uses a complex system to determine mating types, allowing for genetic variation and reproduction. The mechanism involves programmed genome rearrangements and small RNAs that eliminate unnecessary DNA sequences.

Paper: STEM skills gap modest among IT help desk workers

A new study from the University of Illinois at Urbana-Champaign found that the incidence of prolonged hiring difficulties for STEM workers in the IT help desk sector is modest, with only 11%-15% of vacancies showing signs of persistent hiring frictions. The researchers identified organizational characteristics, management strategy, and...

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Blueprint for fault-tolerant qubits

Researchers at Forschungszentrum Jülich and RWTH Aachen University have proposed a circuit for quantum computers that inherently protects against common errors through passive error correction. This design enables the creation of a large number of qubits, crucial for building a universal quantum computer.

Locked MOFs are the key to high porosity

A team of researchers at KAUST has developed a highly porous metal organic framework (MOF) with a unique design that allows for the adjustment of its pore structure. The MOF, inspired by zeolites, features a sodalite topology with pores measuring up to 43 angstroms in diameter.

First report on mass shootings from Columbia University database

The study found that serious mental illness was present in only 11% of all mass murderers and 8% of mass shooters. Non-firearm means resulted in significantly more casualties per event. The researchers also found that U.S.-based mass shooters were more likely to have legal histories or use recreational drugs.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

UCI researchers eavesdrop on cellular conversations

CellChat enables the decoding of signaling molecules that transmit information between cells, providing insights into cellular communication patterns. The tool can be used to compare communication networks in different states of an organ and uncover molecular drivers in various diseases.

Selective concentration of cationic species

A research team at POSTECH created a novel type of multiscale-porous anion exchange membrane to concentrate only cationic samples. This breakthrough allows for the easy fabrication of a cation-selective electrokinetic concentrator, streamlining manufacturing processes.

Investigating the wave properties of matter with vibrating molecules

Researchers have developed a novel spectroscopy technique to measure the wave properties of molecular vibrations, achieving resolution capacity 10,000 times higher than previous methods. The experiment confirms quantum theory's prediction regarding atomic nuclei behavior with high accuracy.

Magnetic attraction: Breakthrough test for malaria

A new test has been developed to detect the magnetic properties of malaria-infected blood, which could help eliminate the disease. The test, called rotating-crystal magneto-optical detection (RMOD), was field-tested on nearly 1000 suspected malaria patients in Papua New Guinea and showed promising results.

Giving oxygen to the question of air quality

Alkanes participate extensively in autoxidation reactions with oxygen molecules, overturning current chemical knowledge and implications for air quality prediction and efficient fuel combustion. The discovery also sheds light on atmospheric conversion of volatile organic molecules into particulate matter.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Human brain taps into visual cues when lacking a sense of touch - study

Researchers find that individuals without a sense of touch can use visual cues to navigate and orient themselves, while those who lose the sense as adults may develop compensatory skills using conscious thought. The study suggests that the brain can adapt to sensory information loss and find alternative ways to process visual data.

Increasing temperatures will hit meat and milk production in East Africa

Climate change is projected to worsen heat stress conditions in East Africa, impacting dairy cattle, beef cattle, sheep, goat, pigs, and poultry. Implementing well-targeted climate adaptation strategies, such as breeding heat-tolerant animals and providing adequate water access, is crucial to mitigate the effects of rising temperatures.

A new piece of the HIV infection puzzle explored

Scientists have successfully imaged HIV during transport into the nucleus of an infected cell using 3D imaging techniques. The images show that the viral capsid passes through the nuclear pore intact before breaking apart inside the nucleus.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Study examines aspirin and statin use among older Americans

A study analyzing 11,392 U.S. adults aged 50+ found that many take aspirin despite lack of benefit, while others miss out on statins after cardiovascular events. The authors emphasize the need for healthcare providers to educate patients and promote safer prescribing practices

Ultrafast electron dynamics in space and time

Scientists have made a breakthrough in tracing electron transfer processes at metal-molecule interfaces, allowing for the observation of electron excitation pathways in real-time. This achievement has fundamental implications for optimizing interfaces and nanostructures, potentially leading to new technologies.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Chatter between cell populations drives progression of gastrointestinal tumors

Research at University of California San Diego School of Medicine identified a new cellular target for GIST therapy that could lead to improved disease control and cure rates. The study found that specific cell-to-cell communication influences GIST biology and is strongly associated with cancer progression and metastasis.

Communities and Communication conference 2021: Connections

The conference on April 24, 2021, will examine the development of communities in virtual environments. The event brings together researchers and practitioners from various disciplines to discuss connections between academia, culture, and people.

Poor swelter as urban areas of US Southwest get hotter

A new study found that urban areas in the US Southwest are experiencing extreme heat disparities, with lower socio-economic groups facing significantly higher temperatures. The study revealed that California's urban regions had the largest temperature differences between wealthier and poorer neighborhoods.

Electron cryo-microscopy sheds light on how bioenergy makers are made in our body

A new study uses electron cryo-microscopy to reveal the molecular mechanism of bioenergetic protein synthesis in human mitochondria, revealing a more flexible and active mitoribosome than previously thought. The discovery sheds light on how medical disorders such as deafness and cancer development are linked to mitochondrial function.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Genetics may play role in determining immunity to COVID-19

A recent study suggests that genetics play a role in determining immunity to COVID-19. The study found that the major histocompatibility complex (MHC) genes, which code for cell surface proteins essential for the adaptive immune system, may limit individual immune responses to SARS-CoV-2.

Supercomputer turns back cosmic clock

Researchers have developed a method to reconstruct the early Universe's state, removing gravitational effects from large-scale structure. The ATERUI II supercomputer was used to create simulated universes, revealing that the method can correct primordial density fluctuations and improve inflation constraints.

Metabolic mutations help bacteria resist drug treatment

A study by MIT researchers has identified a class of metabolic mutations in bacteria that helps them develop resistance to antibiotics. The findings suggest that forcing bacteria to burn more energy could make them more susceptible to antibiotics, and may lead to the development of new drugs to enhance existing antibiotic effectiveness.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Gulf war illness not caused by depleted uranium from munitions, study shows

A new study published in Scientific Reports suggests that inhalation of depleted uranium from exploding munitions did not lead to Gulf War illness. Researchers used high-precision mass spectrometry to analyze veterans' urine samples and found no differences in uranium isotopic ratios between those with GWI and control veterans.

Store fat or burn it? Targeting a single protein flips the switch

A recent study suggests that targeting a specific protein called eIF4E can reduce weight gain in mice fed a high-fat diet. The researchers found that these mice stored less fat and had improved liver health compared to their counterparts. Additionally, the modified mice showed enhanced lipid metabolism, allowing them to burn more fat.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

(Re)Shaping cities to combat inequality

Research from the Complexity Science Hub found that urban planning can directly influence social network formation and socio-economic equality. Towns with evenly distributed social networks tend to have lower economic inequality, while those with fragmented networks exhibit higher disparities.

New research could boost a solar-powered fuel made by splitting water

Researchers at University of Chicago and Brookhaven National Laboratory develop a new method to improve photoelectrodes for producing solar fuels. By modifying the surface composition of bismuth vanadate electrodes, they found that surfaces with more bismuth atoms favor water splitting reactions.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Deep learning may help doctors choose better lung cancer treatments

Researchers developed a deep learning model that accurately predicts lung cancer patients' survival expectancy, significantly better than traditional machine learning models. The model can analyze large amounts of data to understand how various factors affect lung cancer survival periods.

Wolves prefer to feed on the wild side

A recent study found that wolves in Mongolia primarily feed on wild ungulates like Siberian roe deer, contrary to previous research suggesting a diet of mainly grazing livestock. The researchers believe this shift may be due to the availability of easier and less dangerous prey in near-natural regions.

Is odor the secret to bats' sex appeal?

A recent study published by Mariana Muñoz-Romo found that odor-producing glands are present in male bats, attracting reproductive females. The research also highlights the importance of timing and chemistry in bat mating systems.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Ultraviolet 'television' for animals helps us better understand them

Researchers have developed an ultraviolet 'television' display to test animal vision, allowing them to study colour perception, motion detection, and social behaviour. The technology enables scientists to uncover new insights into the visual abilities of various species, including fish, birds, insects, and even clownfish.