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Science News Archive February 2023 - Page 10


Page 10 of 36

Non-invasive imaging of spatiotemporal ion distribution across cell membranes

Researchers at Chiba University developed a non-invasive imaging technique using electrical impedance tomography to study spatiotemporal ion distribution on cell membranes. The method successfully measured anisotropic transmembrane transport and calculated associated transport coefficients, providing insights into biological functions ...

SourceChiba University·JournalMeasurement·TypeExperimental study·DateFeb 21, 2023

HIV drug may be linked to increased risk of hypertension

A new study has confirmed that people living with HIV who switch from efavirenz to dolutegravir may gain more weight and have a higher risk of developing high blood pressure. The study found that patients on dolutegravir gained an average of 1.78 kg in 12 months, compared to those on efavirenz.

SourceBoston University School of Public Health·JournalEClinicalMedicine·TypeObservational study·DateFeb 21, 2023

Ben-Gurion University engineers develop one of the fastest and most efficient amphibious robots

The researchers designed the robot to mimic the movement of flippers in water and centipedes on land, resulting in impressive speeds of 1.5 body lengths per second on land and 0.74 body lengths per second in water. The amphibious robot has potential applications in search and rescue, marine agriculture, and fish feeding.

SourceBen-Gurion University of the Negev·JournalBioinspiration & Biomimetics·TypeExperimental study·DateFeb 21, 2023
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

New chip for mobile devices knocks out unwanted signals

MIT researchers have developed a receiver chip that targets and blocks unwanted signals without hurting device performance. The chip uses a mixer-first architecture and block digital filtering to remove harmonic interference, enabling it to handle high-power signals effectively.

SourceMassachusetts Institute of Technology·DateFeb 21, 2023

Explanations of artificial intelligence: Author proposes model that highlights evidence of fairness

A Carnegie Mellon University professor proposes a new AI model that highlights the evidence of fairness in decision-making. The model provides counterfactual explanations to demonstrate whether past decisions were fair or biased. This research has practical implications for legislative efforts, industry norms, and AI model evaluation.

SourceCarnegie Mellon University·JournalFrontiers in Psychology·DateFeb 21, 2023

Better tools needed to determine ancient life on Mars

Researchers found microorganisms in Martian rocks that are difficult to detect with current instrumentation. The team suggests more powerful tools or bringing samples to Earth to conclusively address whether life existed on Mars. A European Mars rover expected to launch in 2028 will carry a drill capable of analyzing sediments deeper, ...

SourceCornell University·JournalNature Communications·DateFeb 21, 2023
Apple iPhone 17 Pro

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

Biochar offers new promise for climate-smart agriculture

Researchers synthesized global data from nearly 600 studies on biochar to analyze its potential as a climate-smart agricultural practice. Biochar acts like a sponge, improving soil's capacity to hold water and nutrients, making it more resilient to droughts and sustaining crop yields.

SourceUniversity of Connecticut·JournalRenewable and Sustainable Energy Reviews·TypeSystematic review·DateFeb 21, 2023

A new way for quantum computing systems to keep their cool

Researchers developed a wireless communication system that enables quantum computers to send and receive data using high-speed terahertz waves, reducing power consumption and error-causing heat. The system uses a transceiver chip and tiny mirrors to transmit data wirelessly, making it suitable for large-scale quantum systems.

SourceMassachusetts Institute of Technology·DateFeb 21, 2023

Preconception blood glucose levels and the risk of preterm birth

A new study examines the associations between preconception blood glucose levels and the risk of preterm birth. Women with preconception diabetes or prediabetes were found to be at increased risk of preterm birth, with elevated HbA1c levels linked to a higher risk among those without stable healthcare coverage.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalJournal of Women s Health·TypeCase study·DateFeb 21, 2023
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.

Building better enzymes – by breaking them down

Researchers developed an algorithm that uses physics-based protein design calculations and machine learning to generate thousands of active enzymes, achieving a tenfold increase in success rate over traditional methods. The new method, CADENZ, has the potential to transform industries by providing green alternatives for processes such ...

SourceWeizmann Institute of Science·JournalScience·DateFeb 21, 2023

Therapeutic importance of Ganoderma lucidum highlighted in recent review paper

A comprehensive summary of Ganoderma lucidum studies confirms its prebiotic properties, immunomodulation capabilities, and health-promoting effects through polysaccharides, triterpenoids, and polyphenols. This review aims to standardize pharmaceutical methods for G. lucidum-derived compounds.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalFood & Function·DateFeb 21, 2023
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.

Oncotarget | Extreme phenotype approach identifies rare ATR variants as potential male breast cancer susceptibility alleles

Researchers have identified three novel pathogenic variants of the ATR gene as predisposing to male breast cancer. These variants were found in a cohort of individuals with early onset and familial breast cancers, using a combination of exome sequencing and functional investigations. The study suggests that extended genetic analysis ca...

SourceImpact Journals LLC·JournalOncotarget·TypeExperimental study·DateFeb 21, 2023

Pill for skin disease also curbs excessive drinking

Researchers identified apremilast as an incredibly promising treatment for alcohol use disorder, reducing consumption by more than half in a clinical trial. The medication, approved for psoriasis and psoriatic arthritis, triggers increased activity in the brain's nucleus accumbens to control alcohol intake.

SourceOregon Health & Science University·JournalJournal of Clinical Investigation·TypeRandomized controlled/clinical trial·DateFeb 21, 2023

Conifer-killing beetles use smell of beneficial fungus to select host trees

Researchers found that conifer-killing beetles can detect the smell of a beneficial fungus through specialized neurons in their antennae, allowing them to identify infected trees. This detection system enables the beetles to locate fungi-produced compounds in tree resin, which may serve as cues for feeding and breeding.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateFeb 21, 2023

Paying family members for at-home medical care of their children found to be a viable answer to healthcare worker shortage

A recent study from Ann & Robert H Lurie Children's Hospital of Chicago suggests that paid family caregiving can be a viable answer to the healthcare worker shortage. The study, which compared children with medical complexity cared for by family-CNA caregivers versus traditional non-family CNAs, found no significant difference in hospi...

SourceAnn & Robert H. Lurie Children's Hospital of Chicago·JournalThe Journal of Pediatrics·DateFeb 21, 2023
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.

Enhanced arsenic detection in water, food, soil

Scientists developed a sensitive nanostructured silver surface to detect arsenic in water, food and soil using surface-enhanced Raman spectroscopy (SERS). The new technique is more sensitive and easier to produce than existing methods, making it ideal for on-site field assays.

SourceAmerican Institute of Physics·JournalJournal of Applied Physics·DateFeb 21, 2023

Study supports evidence ivermectin is ineffective at treating COVID-19

Researchers from the University of Oxford-affiliated researchers found that high doses of ivermectin are ineffective in treating COVID-19. The study used the PLATCOV trial to compare the rates at which different drugs reduced the viral load of SARS-CoV-2, and the results suggest that ivermectin does not have measurable antiviral activity.

SourceeLife·JournaleLife·DateFeb 21, 2023

Sensing phase with quantum light and a single pixel detector

Scientists have created a method to detect phase in objects using quantum light and a single pixel detector, revealing internal structure and thickness information. This technique has potential applications in biological imaging, quantum metrology, and LIGO-like detection of gravitational waves.

SourceUniversity of the Witwatersrand·JournalOptica·TypeLiterature review·DateFeb 21, 2023
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Solid-state thermal transistor demonstrated

A research team at Hokkaido University has created a stable and effective solid-state electrochemical thermal transistor that can control heat flow with electrical signals. The device outperforms current liquid-state thermal transistors in terms of stability and efficiency.

SourceHokkaido University·JournalAdvanced Functional Materials·TypeExperimental study·DateFeb 21, 2023

Carrots: Good for your eyes … and for degradable polymers

Researchers have created a biodegradable polymer using carotenoids from carrots, which can be selectively broken down with acid and sunlight. The resulting material exhibits electrically conductive properties, making it suitable for energy storage and biomedical applications.

SourceAmerican Chemical Society·JournalJournal of the American Chemical Society·DateFeb 21, 2023

Potential treatment target for rare form of infant epilepsy identified

A new study from Tufts University School of Medicine and the Graduate School of Biomedical Sciences suggests that the timing of inhibitory neuron cell death may be a key factor in infantile spasms syndrome. Early diagnosis and treatment could potentially prevent significant impairments associated with the condition, offering hope for f...

SourceTufts University·JournalNeuroscience·TypeComputational simulation/modeling·DateFeb 21, 2023

Gene variations for immune and metabolic conditions have persisted in humans for more than 700,000 years

A recent study by the University at Buffalo has discovered that genetic variations affecting immunity and metabolism have been preserved in humans for millions of years. This finding supports the theory of balancing selection, which suggests that certain genetic traits can be beneficial or harmful depending on environmental conditions.

SourceUniversity at Buffalo·JournaleLife·DateFeb 21, 2023
Meta Quest 3 512GB

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

Air pollution speeds bone loss from osteoporosis: Large study

A large study found that air pollution accelerates bone loss from osteoporosis in postmenopausal women, particularly on the lumbar spine. Nitrogen oxides were identified as a major contributor to this damage.

SourceColumbia University's Mailman School of Public Health·JournalEClinicalMedicine·TypeSurvey·DateFeb 21, 2023
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.

Hip muscle exercises could help amputees improve functional mobility

Researchers found that strengthening hip abductor muscles can provide effective compensation for weaknesses in knee extensor muscles, leading to improved mobility in people with below-the-knee amputations. The study tested the hypothesis in eight military personnel who had undergone a lower limb amputation and showed promising results.

SourceUniversity of Birmingham·JournalJournal of Biomechanics·TypeExperimental study·DateFeb 21, 2023

Study unlocks clues in mystery of naked mole-rats’ exceptional fertility

A new study reveals naked mole-rats produce eggs throughout their lives, contrary to the dogma that female mammals have a finite ovarian reserve. The research found that these rodents have exceptionally large numbers of egg cells and lower cell death rates compared to mice.

SourceUniversity of Pittsburgh·JournalNature Communications·TypeExperimental study·DateFeb 21, 2023

Improving the performance of satellites in low Earth orbit

Researchers at Tokyo Institute of Technology have developed a new phased array receiver strategy to reduce radiation degradation and power consumption in small satellites. The approach uses on-chip distributed radiation sensors and current-sharing techniques, achieving less than 10% gain variation and lowest reported power consumption.

SourceTokyo Institute of Technology·TypeExperimental study·DateFeb 21, 2023
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.

Nanoparticles self-assemble to harvest solar energy

Researchers have designed a solar harvester with enhanced energy conversion capabilities using self-assembling nanoparticles. The device achieves high absorbance and suppressed thermal emissivity, enabling the transformation of sunlight into thermal energy.

SourceAmerican Institute of Physics·JournalAPL Photonics·DateFeb 21, 2023

How to compensate for loss of gene function? Think alternative splicing

Scientists discovered how alternative splicing enables the compensatory increase of MBNL2 protein in response to MBNL1 loss-of-function. This mechanism, found in animal models and potentially applicable to human patients, may help explain disease variability and offer new therapeutic avenues for Myotonic Dystrophy Type 1.

SourceBaylor College of Medicine·JournalNucleic Acids Research·TypeExperimental study·DateFeb 21, 2023
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.

Double treatment stores salmon and strawberries for later

Researchers at King Abdullah University of Science & Technology have developed a two-step process that cuts food waste by reducing microbial growth. The treatment, which combines UV-C irradiation and vacuum sealing, extends shelf life by 67% for animal products like salmon, and up to 124% for strawberries.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalJournal of Food Science·DateFeb 21, 2023

Cellular senescence plays a significant role in cerebral tumors

Glioblastoma patients have a median survival time of 15 months due to the rapid infiltration of brain tissue. Cellular senescence, previously thought to be only a marker of aging, is now linked to cancer progression, with senescent cells promoting tumor growth and immune evasion.

SourceInstitut du Cerveau (Paris Brain Institute)·JournalNature Communications·TypeExperimental study·DateFeb 21, 2023

Black patients more prone to dialysis graft failure

Researchers identified a higher rate of premature arteriovenous graft failure among African American patients undergoing dialysis access interventions. The study, published in Radiology, found that these patients were more vulnerable to experiencing early dialysis access dysfunction and failure.

SourceRadiological Society of North America·JournalRadiology·DateFeb 21, 2023

Noble false widow spider found preying on pygmy shrew

Scientists at University of Galway have discovered that the noble false widow spider feeds on the endangered pygmy shrew. The study highlights the invasive spider's potent venom and complex hunting behavior, raising concerns about its impact on native species in Ireland and Britain.

SourceUniversity of Galway·JournalEcosphere·TypeObservational study·DateFeb 21, 2023

From autism to Zoom® -- Developments in management of spina bifida

Recent findings in spina bifida (SB) care highlight comorbidities such as autism and scoliosis, as well as the impact of COVID-19 on healthcare use. Telecommunication platforms like Zoom have evolved into clinical tools for SB care.

SourceIOS Press·JournalJournal of Pediatric Rehabilitation Medicine·TypeMeta-analysis·DateFeb 21, 2023
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.

How can the metaverse improve public health?

The metaverse can be used to investigate the effectiveness of large-scale interventions before implementation, saving time and money. It also provides a platform for people with limited access to natural environments to experience green spaces, reducing negative mental health effects.

SourceJapan Advanced Institute of Science and Technology·JournalJournal of Medical Internet Research·DateFeb 21, 2023

Vibrating capsule doubles the ability for constipation sufferers to poop without drugs

A vibrating capsule designed to stimulate the colon has been shown to double the number of complete spontaneous bowel movements in adults with debilitating chronic constipation. The device, which is not a drug and works directly in the colon, showed significant improvement in symptoms such as straining and stool consistency.

SourceMedical College of Georgia at Augusta University·JournalGastroenterology·DateFeb 21, 2023
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.

Rewiring blood cells to give rise to precursors of sperm

Scientists have successfully transformed blood cells into sperm precursors in marmoset embryos using a step-by-step process. The study, published in eLife, opens up new avenues for studying primate biology and developing novel assisted reproductive technologies.

SourceUniversity of Pennsylvania·JournaleLife·TypeExperimental study·DateFeb 21, 2023

Advocacy by LGBTQ+ school clubs may help combat student depression

A new study found that LGBTQ+ school clubs, particularly those with strong advocacy efforts, can reduce disparities in depressive symptoms between LGBQ+ and heterosexual students. The study suggests that GSA-led advocacy activities can promote well-being among LGBTQ+ youth across the wider school population.

SourceTaylor & Francis Group·JournalJournal of Clinical Child & Adolescent Psychology·DateFeb 21, 2023

New research reveals 12 ways aquaculture can benefit the environment

Aquaculture can help restore ecosystems by removing excess nutrients and promoting biodiversity. Conservationists are using aquaculture techniques to create healthy habitats for marine species, including shellfish reefs and fish populations.

SourceUniversity of Melbourne·JournalConservation Biology·TypeLiterature review·DateFeb 21, 2023
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Shrinking from the heat

Researchers at Aalto University have developed new textiles that change shape when heated, providing adjustable aesthetics and potential applications in health monitoring and thermal insulation. The innovative fabrics use liquid crystalline elastomers, which can respond to heat, light, or other stimuli.

SourceAalto University·JournalAdvanced Materials·DateFeb 21, 2023

Novel method with carbon-coated magnetite nanoclusters proposed in cancer synergistic therapy

Researchers have developed a novel method using carbon-coated magnetite nanoclusters to enhance cancer synergistic therapy. The nanoclusters absorb NIR-II irradiation, producing cytotoxic heat that kills cancer cells. This improves CDT efficiency and produces synergistic therapeutic effects.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalScience China Materials·DateFeb 21, 2023

Locking and unlocking molecular structures on demand

Researchers from Kanazawa University developed a new approach to control the formation and dissociation of rotaxanes, which can be used as building blocks for molecular machines. The new strategy uses accelerators like bromine ions to speed up the processes, opening up possibilities for tunable functionality.

SourceKanazawa University·JournalAngewandte Chemie International Edition·DateFeb 21, 2023
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.