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Science News Archive January 2021


Page 33 of 40

Scientists identify workflow algorithm to predict psychosis

Researchers combined psychiatric assessments with machine learning models to predict mental illness, improving disease course prediction and intervention timing. The algorithm assists decision-making and provides recommendations for targeted interventions.

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.

Antibiotic resistance from random DNA sequences

Researchers discovered that random DNA sequences can generate new genes producing antibiotic resistance, which can spread quickly among bacteria. The study used laboratory experiments with E. coli and found six peptides causing Colistin resistance by modifying the cell membrane.

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.

Possible explanation for more efficient maize growth

Researchers at HHU have discovered a novel phloem loading mechanism in maize leaves, which enables efficient transport of photoassimilates. This mechanism, found in the abaxial bundle sheath cells, is likely linked to maize's high productivity rate and C4 photosynthesis.

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.

Nanocrystals that eradicate bacteria biofilm

Researchers developed nanocrystals with a unique surface texture that increases mobility and generates reactive oxygen species lethal to bacteria. The system is effective in killing embedded bacteria resistant to antibiotics and can be easily controlled.

Single-dose COVID-19 vaccine triggers antibody response in mice

Researchers have developed a nanoparticle vaccine that elicits a virus-neutralizing antibody response in mice after just one dose. The spike/ferritin nanoparticles may be a viable strategy for single-dose vaccination against COVID-19, suggesting potential improvements over current two-dose regimens.

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.

Perceiving prosthesis as lighter thanks to neurofeedback

Researchers have developed neurofeedback prostheses that restore sensory feedback to amputees, enabling them to perceive their prosthetic leg as lighter and reducing the effort required for walking. The study found a 23% reduction in perceived weight and improved motor-cognitive tasks, suggesting a more natural limb experience.

Ferroptosis resistance in cancer: An emerging crisis of new hope

Researchers have identified ferroptosis resistance as a critical issue in cancer treatment, highlighting the need for novel therapeutic strategies. The study integrates current understanding of signaling mechanisms to develop targeted treatments for therapy-resistant cancers.

New analysis highlights importance of groundwater discharge into oceans

A global assessment reveals that groundwater discharge plays a significant role in ocean chemistry, with elements like lithium and barium entering the sea from underground sources. The study suggests that groundwater inputs can account for up to 16% of river contributions to ocean chemistry.

Apple iPhone 17 Pro

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

Child marriage is legal and persists across Canada

A study by McGill University researchers found that child marriage remains a practice in Canada, with the majority of marriages being common-law unions. The study highlights the need for innovative approaches to address the issue and sheds light on the persistence of child marriage in the country.

NIST publishes a beginner's guide to DNA origami

DNA origami is a technique that folds long DNA strands to create mini 3D structures for biosensors and drug delivery. A new guide from NIST provides a comprehensive resource for researchers to design efficient nanostructures using state-of-the-art tools.

Accelerating AI computing to the speed of light

A team of researchers has developed an optical computing core prototype using phase-change material, accelerating neural networks and reducing energy consumption for AI applications. The technology is scalable and directly applicable to cloud computing, making it a promising solution for the growing demands of AI online.

Fluke 87V Industrial Digital Multimeter

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

COVID-19: Online tool identifies patients at highest risk of deterioration

Researchers developed an online risk-stratification tool to predict COVID-19 patients' likelihood of deterioration, using 11 measurements including age, oxygen levels, and laboratory tests. The '4C Deterioration Score' provides clinicians with a percentage risk score to support decision-making and potentially save lives.

Understanding how to improve antibodies targeting OX40 for the treatment of cancer

Scientists at the University of Southampton have discovered that modifying antibodies to target OX40 can enhance immune responses against cancer cells. By adjusting the antibody's isotype, researchers found that one type can delete suppressive Treg cells and another can stimulate killer T-cells, leading to improved anti-tumor effects.

Bioenergetics: New features of ATP synthase

Cryo-EM studies have identified different types of ATP synthase organization, including a symmetry-deviated dimer and hexamer assemblies. These structures shape the bioenergetic membrane and are critical for maintaining bioenergetics in Apicomplexa.

Nanoparticle vaccine for COVID-19

Researchers at Stanford University have created a nanoparticle vaccine candidate for COVID-19 that shows promise in inducing immunity after just one dose. The vaccine uses nanoparticles studded with the virus's surface spikes to trigger an immune response, offering a potential alternative to traditional viral-based vaccines.

When salespeople advocate for sellers and customers

A new study published in the Journal of Marketing suggests that salespeople should balance advocacy for the seller with advocacy for the customer. The research team found that high levels of both customer and seller advocacy lead to superior outcomes for both firms. Sellers are advised to encourage salesperson dual agency to their adva...

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Tasmanian tiger pups found to be extraordinarily similar to wolf pups

Researchers used micro-CT scanning and digital reconstructions to compare Tasmanian tiger and wolf skulls across development stages. The study reveals that Tasmanian tiger pups were more similar to wolf pups than other marsupials, with similarities established from newborns to adults.

Study: Religion, psychology share methods for reducing distress

A new study found that religious individuals employ cognitive reappraisal and coping self-efficacy, two psychological strategies linked to reduced anxiety and depression symptoms. The research suggests a convergence between science and religion in promoting well-being and resilience.

Detecting COVID-19 antibodies in 10-12 seconds

Researchers at Carnegie Mellon University have developed a nanomaterial-based biosensing platform that detects COVID-19 antibodies within seconds. The platform, which uses aerosol jet nanoprinted electrodes, can quantify patient immunological response to new vaccines with precision and has a very low error rate.

Scientists paint multicolor atlas of the brain

Researchers develop coloring technique to 'paint' neurons with fluorescent colors, enabling identification of each neuron in an animal's nervous system. The NeuroPAL method allows scientists to record a whole nervous system in action and decode brainwide activity patterns.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Unravelling the mystery that makes viruses infectious

Scientists have identified the way viruses like poliovirus and common cold virus 'package' their genetic code, allowing them to infect cells. The discovery opens up possibilities for developing drugs or anti-viral agents that can stop such infections.

New tech helping cancer patients manage symptoms

A UK trial using computer algorithms shows that early-stage cancer patients can better manage their symptoms and improve their physical wellbeing through remote monitoring. The eRAPID system provided instant advice on symptom management, leading to a cost-effective solution with better patient outcomes.

Bacteria can tell the time

Researchers discovered that free-living non-photosynthetic bacteria, such as Bacillus subtilis, possess circadian rhythms that adjust to light and temperature cycles. This finding has implications for biotechnology and could lead to optimized drug delivery and crop protection strategies.

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.

Researchers take key step toward cleaner, more sustainable production of hydrogen

Researchers at Oregon State University have made a significant breakthrough in producing hydrogen from water using an electrochemical catalytic process. The study found that this method is cleaner and more sustainable than traditional natural gas-based production, with potential applications in fuel cells and industrial processes.

Preserving workers' hearing health by improving earplug efficiency

Researchers from ÉTS and IRSST developed new earplugs by understanding the relationship between ear canal shapes and earplug design. The study found that the 'first elbow' area of the ear canal is closely linked to noise attenuation, enabling the creation of more comfortable and effective earplugs.

Novel RNA factors may help cancer cells thrive

Researchers identified a circular RNA, circ2082, and an RNA-binding protein, RBM3, that form a complex with the enzyme DICER to disrupt microRNAome regulation in glioblastoma cells. This leads to increased survival rates in mice and longer lifespans in human patients with circ2082-dependent signatures.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

High-speed atomic force microscopy visualizes cell protein factories

Researchers use high-speed atomic force microscopy to visualize the structural dynamics and factor pooling of ribosome stalk proteins, shedding light on the translational GTPase factor mechanism. The study reveals two conformations of the stalk protein and provides evidence for a potential role in further stages of protein synthesis.

Autism theory 25 years in the making

A theoretical model describes the cause of autism as a combination of socially valued traits and co-occurring disabilities, accounting for most cases. The BAPCO-DMAP theory explains how positive traits of autism interact with development and disabilities.

Immune cells discovered in the lungs improve virus defense

Researchers at the University of Basel have identified immune cells resident in the lungs that persist long after a bout of flu, improving the immune response to reinfection by different strains. The discovery could lead to longer-lasting vaccinations against quickly-mutating viruses.

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.

How 'Iron Man' bacteria could help protect the environment

Researchers found Geobacter bacteria can coat themselves with cobalt nanoparticles, protecting them from toxic metal. This discovery opens doors to biotechnology applications in reclaiming and recycling cobalt from lithium-ion batteries, reducing dependence on foreign mines.

Which came first, sleep or the brain?

Researchers found that Hydra exhibit characteristics at a molecular and genetic level associated with sleep in animals with central nervous systems. The four-hour cycle of active and sleep-like states in hydras indicates that sleep may have evolved independently of brain development.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

UCF engineering and biology researchers collaborate to aid coral reef restoration

A UCF engineering and biology team tested how well staghorn coral skeletons withstand natural forces and human impacts, discovering a unique safety feature: pores that relieve stress and prevent catastrophic failure. The findings will inform efforts to transplant nursery-reared coral into the wild and support future restoration efforts.

Entangling electrons with heat

Researchers from Aalto University have successfully entangled pairs of electrons using temperature differences in superconducting structures. This breakthrough has significant implications for quantum devices and applications, including exponential increases in computational capacity and secure information exchange.

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.

Measuring racial inequities in COVID-19 testing

A study adapted a tool to measure racial inequities in COVID-19 testing, revealing disparities in access and health outcomes across racial groups. The analysis found significant disparities in vaccination rates, test uptake, and healthcare utilization among different racial and ethnic groups.

Tiny wireless device sheds light on combating obesity

Researchers at Texas A&M University have designed a centimeter-sized wireless device that stimulates the endings of the vagus nerve to induce feelings of fullness. The device is controlled externally via radio frequency and has the potential to be used in conjunction with other devices to manipulate nerve endings throughout the gastroi...