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Science News Archive May 2023 - Page 20


Page 20 of 40

The physics of gummy candy

Researchers explored how different ingredient combinations and storage temperatures affect gummy candies' texture, moisture content, and pH. They found that starch did not impact hardness and identified the most shelf-stable combination for gummies.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateMay 16, 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.

Tracking SARS-CoV-2 in Mozambique

A cutting-edge study in Mozambique found that the beta variant of SARS-CoV-2 was transmitted through regional migration from South Africa, while the delta variant entered mainly from the UK and India. The analysis also revealed that most introductions did not contribute to local spread.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalThe Lancet Global Health·TypeData/statistical analysis·DateMay 16, 2023
Apple iPhone 17 Pro

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

Estimated rates of incident and persistent chronic pain among US adults

The study reveals that US adults are disproportionately affected by chronic pain, with high incidence rates compared to other chronic conditions. The findings emphasize the need for early prevention and management strategies to mitigate the disease burden of chronic pain in the US population.

SourceJAMA Network·JournalJAMA Network Open·DateMay 16, 2023

Machine learning algorithms for diagnostic and therapeutic evaluation for atopic dermatitis

Researchers developed six prediction models using machine learning algorithms to distinguish between atopic dermatitis lesions and non-lesions, achieving high AUC values. The models showed a positive correlation between sample quality and SCORAD scores, indicating improved treatment efficacy.

SourceKeAi Communications Co., Ltd.·JournalFundamental Research·TypeComputational simulation/modeling·DateMay 16, 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.

Sexually active women are not judged more harshly than men

A new survey found no evidence of a sexual double standard, with men being judged more strictly in short-term relationships but equally as in long-term ones. Women's masturbation is also seen as sexy and accepted, contradicting common stereotypes.

SourceNorwegian University of Science and Technology·JournalEvolutionary Psychology·TypeSurvey·DateMay 16, 2023

Researchers devise a simpler way to mimic aspects of human vision

Researchers devise a simpler way to mimic aspects of human vision by extracting key optical measurements from computer models of the human eye and designing a simple optical system. The new design achieves similar image quality to the human visual system without requiring aspherical components, paving the way for more efficient devices.

SourceOptica·DateMay 16, 2023

Deficiency causes appetite for meat

Researchers at the University of Würzburg discovered that Triphyophyllum peltatum can transform into a carnivorous plant under phosphorus deficiency. The plant captures small insects using adhesive traps to access essential nutrients.

SourceUniversity of Würzburg·JournalNew Phytologist·TypeExperimental study·DateMay 16, 2023

Epigenetic weaknesses discovered in liver cancer capable of improving its treatment

A study by Dr. Manel Esteller's team has identified a key epigenetic alteration in liver cancer that makes tumors more vulnerable to a specific class of anticancer drugs. This discovery may lead to improved treatment options for patients with liver cancer, particularly those with intact NSUN7 gene function.

SourceJosep Carreras Leukaemia Research Institute·JournalMolecular Cancer·TypeExperimental study·DateMay 16, 2023
Fluke 87V Industrial Digital Multimeter

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

Confirming the safety of genetically edited allergen-free eggs

Researchers have developed chicken eggs without the protein that causes egg white allergies, confirming their safety profile. The modified eggs, called OVM-knockout, were tested and found to be free from ovomucoid proteins, making them a potential solution for individuals with egg allergies.

SourceHiroshima University·JournalFood and Chemical Toxicology·DateMay 16, 2023

How superbug A. baumannii survives metal stress and resists antibiotics

Researchers at Macquarie University have discovered how superbug A. baumannii survives harsh environments and resists antibiotics by exploiting its strong drug pumps to expel essential metals from the cell. Disrupting this master regulatory protein, DksA, breaks the pumping system and allows for control of the bug.

SourceMacquarie University·JournalNucleic Acids Research·TypeExperimental study·DateMay 16, 2023

African smoke over the Amazon

Research reveals that soot particles in the Amazon rainforest come primarily from African bushfires, not regional fires. This discovery highlights the significant role of atmospheric transport in distributing pollutants across continents.

SourceMax Planck Institute for Chemistry·JournalNature·TypeExperimental study·DateMay 16, 2023

Ear acupuncture with beads may help shed the pounds

A new study found that ear acupuncture with beads can help reduce waist circumference, body fat, and BMI in men living with obesity. Participants who received auricular acupuncture with beads lost an average of 10.4cm off their waist circumference and 4% of total body fat.

SourceEuropean Association for the Study of Obesity·DateMay 16, 2023

Use of immunization information systems in ascertainment of COVID-19 vaccinations for claims-based vaccine safety and effectiveness studies

The study found that supplementing COVID-19 claims records with Immunization Information Systems vaccination data increased vaccinated individual numbers, yet potential under-recording remained. Improving reporting to Immunization Information Systems could enable frequent updates of vaccination status for all individuals and vaccines.

SourceJAMA Network·JournalJAMA Network Open·DateMay 16, 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.

You’ve got some nerve

Researchers developed a new metric to analyze the relationship between nerve density and oral cancer progression. Normalized nerve density was found to be associated with poor survival rates for patients with tongue cancer, highlighting its potential as a tool for identifying aggressive tumors.

SourceMichigan Medicine - University of Michigan·JournalClinical Cancer Research·TypeExperimental study·DateMay 16, 2023

South Africa's desert-like interior may have been more inviting to our human ancestors

A study reveals that South Africa's desert-like interior was more fertile and temperate during two glacial periods, supporting human populations living around paleolakes. Researchers used various technologies to date and reconstruct ancient lakes and shorelines, finding evidence of human presence in the region.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateMay 16, 2023

When does the gender gap start in the computer science field?

A new UH study reveals that third-grade girls are initially enthusiastic about coding and computer science, with equal interest and confidence as boys. However, by middle school age, negative stereotypes and a decrease in confidence among girls become prevalent, limiting their participation in these fields.

SourceUniversity of Houston·JournalEarly Childhood Research Quarterly·TypeSurvey·DateMay 16, 2023

Chinese Medical Journal article explores how bispecific antibodies could bring new hope to patients with lung cancer

Researchers from China explore the mechanisms of action and clinical data of bispecific antibodies, which have shown promise in increasing cytotoxicity against cancerous cells and enhancing immune response towards tumor clearance. Several bsAbs are being evaluated in phase I-III clinical trials for lung cancer treatment.

SourceCactus Communications·JournalChinese Medical Journal·DateMay 16, 2023

New strategy identified to curb a fungal infection affecting more than 150 crops

Researchers at the University of Córdoba have developed a new strategy to control Fusarium oxysporum, a fungal infection affecting over 150 crops. By eliminating a specific gene, they found that the fungus becomes 'confused', receiving signals it has sufficient resources and thus loses its virulence.

SourceUniversity of Córdoba·JournalMolecular Plant Pathology·TypeNews article·DateMay 16, 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.

Occasional cannabis use during pregnancy may be enough to impact fetal growth significantly

Research found that occasional cannabis use during early pregnancy can significantly reduce birth weight, even if continued use is not observed. Continued exposure results in largest deficiencies, with newborns exposed to marijuana throughout gestation being nearly 200g lighter and having smaller head circumferences.

SourceFrontiers·JournalFrontiers in Pediatrics·TypeObservational study·DateMay 16, 2023

Lockdowns and vaccines: a balancing act

A new study investigates lockdowns and vaccines' complementary or substitutive roles in mitigating COVID-19's effects. The researchers found that vaccinations should be relaxed after substantial vaccination rates, but vastly different policies may be optimal depending on parameters.

SourceInternational Institute for Applied Systems Analysis·JournalEuropean Journal of Operational Research·DateMay 16, 2023

Joro spiders aren’t scary. They’re shy

A new study from the University of Georgia found that Joro spiders, despite their intimidating appearance, are gentle giants, mean no harm to people or pets. They remain immobile for over an hour after a disturbance, unlike other spider species that resume normal activities within a minute and a half.

SourceUniversity of Georgia·JournalArthropoda·DateMay 16, 2023

Otago researchers reveal impact of ancient earthquake

Researchers at the University of Otago have discovered a new area of coastal uplift in Rarangi, Marlborough, using laser mapping and kelp genetics. The study provides new insights into Aotearoa's landscapes and recent earthquake impacts.

SourceUniversity of Otago·JournalJournal of The Royal Society Interface·DateMay 16, 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.

Dual-radical observation in a photoswitchable coordination polymer with synergy effect of semi-conductivity and valence tautomerization

Researchers observed two crystallographically independent radicals in a photoswitchable coordination polymer, showcasing a synergistic effect between valence tautomerism and semi-conductivity. This study presents the first example of dual-radical-based molecular anisotropy and charge-transfer-induced conductive anisotropy.

SourceScience China Press·JournalNational Science Review·DateMay 16, 2023

“Warm Ice Age” changed climate cycles

Researchers from Heidelberg University identified a pivotal step in the Earth's later climate development, finding that a warm ice age around 700,000 years ago led to changes in global climate rhythms. This 'warm ice age' caused accumulation of excess continental ice, resulting in prolonged and far-reaching glaciation.

SourceHeidelberg University·JournalNature Communications·TypeComputational simulation/modeling·DateMay 16, 2023

Cognitive training helpful for some but not a panacea for fall prevention

A new study found that cognitive training, specifically speed of processing training, reduced the risk of falling among older adults at high risk of falls by 31% over 10 years. However, it had no effect on those at low risk of falling. Cognitive training may enhance physical-based interventions to reduce falls for some individuals.

SourceRegenstrief Institute·JournalInternational Journal of Environmental Research and Public Health·DateMay 16, 2023

Insight into brain’s waste clearing system may shed light on brain diseases

Researchers at Washington University in St. Louis have found a way to enhance glymphatic transport using focused ultrasound with microbubbles, opening new opportunities for studying brain diseases and function. The non-invasive method shows promise for potentially mitigating neurodegenerative diseases like Alzheimer's and Parkinson's.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMay 16, 2023
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Saturated fatty acids promote immune escape of oral cancers

A study published in Cell Reports found that saturated fatty acids promote the immune escape of oral cancers in mouse models. Obesity helps establish a type of tumor microenvironment that promotes tumor progression by suppressing STING-type-I interferon pathway and NLRC3.

SourceMichigan Medicine - University of Michigan·JournalCell Reports·TypeExperimental study·DateMay 16, 2023

A potential new weapon in the war against superbugs

Researchers at Beth Israel Deaconess Medical Center have found an effective treatment for multi-drug resistant bacteria, a major concern in the fight against superbugs. The newly discovered antibiotic, streptothricin, has shown potency against several drug-resistant strains of bacteria and may deserve further exploration as a potential...

SourceBeth Israel Deaconess Medical Center·JournalPLOS Biology·DateMay 16, 2023

Predicting how CPR will work minutes ahead

Researchers analyzed ECG data from 298 patients with cardiac arrest to predict treatment outcomes. The study found a connection between heart rate and QRS duration before the patient's pulse returns, allowing for more tailored treatments.

SourceNorwegian University of Science and Technology·JournalResuscitation·TypeData/statistical analysis·DateMay 16, 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.

How government guarantees give banking customers peace of mind and keep banks open

A new study from the University of Missouri found that government guarantees decrease the frequency of 'income smoothing' in financial reports. This practice, where banks delay reporting high income to smooth out volatility, is a form of manipulation that can impact market stability and investor confidence.

SourceUniversity of Missouri-Columbia·JournalJournal of Financial Services Research·TypeObservational study·DateMay 16, 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.

Muscle fat linked to higher mortality risk

A study found that muscle fat accumulation, known as myosteatosis, is associated with a higher risk of major adverse events and death in asymptomatic adults. The presence of muscle fat was comparable to the mortality risk associated with smoking or type 2 diabetes.

SourceRadiological Society of North America·JournalRadiology·DateMay 16, 2023

ChatGPT passes radiology board exam

Large language models like ChatGPT show incredible potential in radiology, but also struggle with reliability and accuracy. The latest model GPT-4 improves advanced reasoning capabilities and performs better on higher-order thinking questions.

SourceRadiological Society of North America·JournalRadiology·DateMay 16, 2023
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.

Researchers reveal DNA repair mechanism

A new study reveals the molecular mechanism behind bacterial DNA repair, showing that RNA polymerase plays a key role in identifying and fixing errors. Researchers found that RNaseHII cooperates with RNA polymerase to scan for misincorporated ribonucleotides in living bacterial cells.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalCell·TypeExperimental study·DateMay 16, 2023

Magnetic stimulation may improve the pain, nausea of diabetic gastroparesis

Researchers have developed a non-invasive magnetic stimulation therapy called ThorS-MagNT that targets hyperactive nerves in the midback, potentially reducing debilitating symptoms of diabetic gastroparesis. In a pilot study, patients experienced significant improvements in nausea and vomiting, allowing them to enjoy meals again.

SourceMedical College of Georgia at Augusta University·DateMay 16, 2023

Electrical creation and control of antiferromagnetic vortices shown in new study

Researchers at the University of Nottingham have successfully created and controlled magnetic vortices in an antiferromagnet using a magnetic imaging technique. This discovery has significant implications for next-generation memory devices, which could lead to faster and more energy-efficient computing.

SourceUniversity of Nottingham·JournalNature Nanotechnology·TypeExperimental study·DateMay 16, 2023

National study recommends starting SARS-CoV-2 mRNA vaccination three months after bone marrow transplant

A large, prospective study led by the Fred Hutchinson Cancer Center recommends that cancer patients receive SARS-CoV-2 mRNA vaccination three to four months after bone marrow transplant. The study found that early vaccination can provide crucial protection against severe COVID-19 in this vulnerable population.

SourceFred Hutchinson Cancer Center·JournalEClinicalMedicine·TypeObservational study·DateMay 16, 2023

Pet owners with hoarding tendencies may take toll on health of themselves, animals in care, study finds

A recent study by Mississippi State University faculty members found that individuals with hoarding tendencies who own multiple pets are at risk of poor animal health. Households with eight or more animals were associated with worse health outcomes for the animals.

SourceMississippi State University·JournalJournal of the American Veterinary Medical Association·TypeContent analysis·DateMay 16, 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.

Temperature of solar flares helps understand nature of solar plasma

Researchers used simulations to analyze the Lyman Continuum spectrum in dozens of simulated solar flares, confirming its connection to plasma temperature. The study found that analysis of this spectrum can be used for diagnosis of the solar plasma during solar storms.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalThe Astrophysical Journal·DateMay 16, 2023

Assessing emotions in wild animals

A new holistic framework evaluates mental and psychological wellbeing in wild animals, including physical and behavioral indicators for positive and negative experiences. This approach has the potential to provide crucial early warning signals about species challenges and population declines.

SourceUniversity of Technology Sydney·JournalAnimals·TypeObservational study·DateMay 16, 2023
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Jaw shapes of 90 shark species show: Evolution driven by habitat

An international team analyzed 90 shark species using X-ray CT and 3D reconstructions, finding relatively little variation in shape over millions of years. Most variable jaws were found among deep-sea sharks, reflecting their diverse feeding strategies.

SourceUniversity of Vienna·JournalCommunications Biology·DateMay 16, 2023