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Science News Archive May 2023 - Page 19


Page 19 of 40

Oldest architectural plans detail mysterious desert mega structures

Researchers have uncovered the oldest known architectural plans of human-made mega structures, dated to between 7,000 and 8,000 years ago. These engravings depict desert kites used to trap wild animals, showcasing a milestone in intelligent behavior and spatial representation.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateMay 17, 2023

'Charge density wave' linked to atomic distortions in would-be superconductor

Researchers use spectroscopic imaging scanning tunneling microscope to map atomic positions and measure electric charge, revealing link between electron density and atomic arrangements. The discovery sheds light on the emergence of a 'charge density wave' that distorts lattice vibrations and locks atoms in place.

SourceDOE/Brookhaven National Laboratory·JournalPhysical Review X·DateMay 17, 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.

Gut bacteria may contribute to delirium in elderly patients after surgery

A study found an association between gut microbiota and postoperative delirium in elderly patients, with higher levels of Parabacteroides distasonis positively associated with delirium. The findings suggest a possible pathogenesis of postoperative delirium and may lead to targeted interventions for better outcomes.

SourceMassachusetts General Hospital·JournalTranslational Psychiatry·DateMay 17, 2023

Marijuana users three times more likely to develop peripheral artery disease

A recent study found that marijuana users are at a significantly increased risk of developing peripheral artery disease, with users being three times more likely to develop the condition than non-users. The study highlights the importance of early and frequent screening for this progressive disease, which can drastically impact quality...

SourceSociety for Cardiovascular Angiography and Interventions·DateMay 17, 2023

Damage control: plant cells use mechanical cues to regenerate damaged tissues

A research group led by Osaka University found that plant mesophyll cells can detect mechanical pressure and differentiate into epidermal cell types via ATML1 gene upregulation. This study reveals the mechanisms involved in plant regeneration and offers new insights into position-dependent cell fate determination.

SourceOsaka University·JournalNature Communications·TypeExperimental study·DateMay 17, 2023
Apple iPhone 17 Pro

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

The magnetoelectric coupling effect in molecular-based materials is realized for the first time by using the electron transfer from organic free radicals to metal ions

The study reports a positive magnetodielectric effect of up to 12% in the compound, with significant increase in electric polarization under magnetic field. Spin-polarized computational calculations reveal that the effect is mainly derived from spin-orbit coupling between Fe II and Cl2 An– under the magnetic field.

SourceScience China Press·JournalNational Science Review·DateMay 17, 2023

Coronary bioresorbable scaffolds nearly as safe and effective as conventional metal stents for heart disease patients

A global clinical trial found that bioresorbable vascular scaffolds (BVS) are nearly as safe and effective as conventional metal stents in treating coronary artery disease. The study, led by a researcher from the Mount Sinai Hospital, showed improved outcomes for patients when properly implanted.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of the American College of Cardiology·TypeRandomized controlled/clinical trial·DateMay 17, 2023

Titanium dioxide: E171 first enters the blood via the mouth

Research finds that E171 nanoparticles are rapidly absorbed through the buccal cavity, causing oxidative stress and damaging DNA in human oral epithelial cells, potentially affecting cell regeneration

SourceINRAE - National Research Institute for Agriculture, Food and Environment·JournalNanotoxicology·TypeExperimental study·DateMay 17, 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.

Researchers pinpoint brain cells that drive appetite in obesity

A team of researchers has discovered a group of brain cells that boosts appetite during obesity by producing the appetite-stimulating molecule NPY and making the brain more sensitive to it. These findings have the potential to take the development of anti-obesity medication into a new direction.

SourceGarvan Institute of Medical Research·JournalCell Metabolism·DateMay 17, 2023

Study finds cancer cells use a new fuel in absence of sugar

Researchers at Michigan Medicine have discovered a new nutrient source that pancreatic cancer cells use to grow in the absence of glucose. Uridine is found in the tumor microenvironment and its exact source remains unknown. Blocking uridine metabolism may lead to new treatment options for pancreatic cancer.

SourceMichigan Medicine - University of Michigan·JournalNature·TypeExperimental study·DateMay 17, 2023

“Moe” than just advertisement: Reflections on the use of anime characters for tourism promotion

A recent study by Doshisha University found that anime 'moe' characters used in tourism promotion can perpetuate a male gaze, reducing local history to simplistic narratives. This practice also promotes heteronormative notions of masculinity and alienates audiences who reject moe ideals.

SourceDoshisha University·JournalInternational Journal of Cultural Studies·TypeContent analysis·DateMay 17, 2023

Prostate cancer ‘test by request’ policies drive overdiagnosis and inequity with minimal benefit, argue experts

Experts warn that shared decision-making policies for prostate cancer testing lead to high rates of unnecessary testing and harm, particularly in older men and those from disadvantaged areas. A comprehensive risk-based approach or restricting testing to symptomatic cases could reduce overdiagnosis and overtreatment.

SourceBMJ Group·JournalThe BMJ·TypeData/statistical analysis·DateMay 17, 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.

A new understanding of human origins in Africa

A recent study published in Nature challenges traditional views on human origins in Africa, proposing that modern humans emerged from the interaction of multiple populations across the continent. By analyzing genomic data from diverse African groups, researchers found evidence of gene flow and mixing over hundreds of thousands of years.

SourceMcGill University·JournalNature·TypeComputational simulation/modeling·DateMay 17, 2023

New study explains how a common virus can cause multiple sclerosis

A new study published in Science Advances has found that certain antibodies against the Epstein-Barr virus can mistakenly target the brain and spinal cord, causing damage in multiple sclerosis patients. The research reveals a potential link between EBV infection and MS, with implications for personalized therapies.

SourceKarolinska Institutet·JournalScience Advances·DateMay 17, 2023

African Killifish could hold secrets to reversing muscle ageing

Researchers discovered that African killifish muscles reverse to an early-life state towards the end of life, slowing mortality. The study suggests mechanisms preventing further deterioration and may lead to new treatments for age-related muscle loss.

SourceMonash University·JournalAging Cell·TypeObservational study·DateMay 17, 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.

Evidence of ‘pandemic brain’ in college students

A study by Ohio State University researchers found that college students were less consistent in their decision making during the 2020 fall semester compared to previous years. Students were more likely to cycle between relying on gut instincts and thoroughly evaluating information depending on how scenarios were described.

SourceOhio State University·JournalJournal of American College Health·DateMay 17, 2023

New treatment for human parasitic worm infections shows high efficacy

A new treatment, emodepside, has shown high cure rates for soil-transmitted helminth infections, including whipworms, hookworms, and roundworms. The study found that a single dose of emodepside cured up to 83% of people infected with whipworm.

SourceSwiss Tropical and Public Health Institute·JournalNew England Journal of Medicine·DateMay 17, 2023

Liver cells control our biological clock

Researchers from CNRS discover that liver cells control the biological clock in mammals, synchronizing peripheral clocks. This finding suggests a connection between liver health and overall metabolism, with potential implications for metabolic disease and sleep disorders.

SourceCNRS·JournalScience Advances·TypeExperimental study·DateMay 17, 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.

Tick tock – the liver controls the circadian clock

Research reveals liver cells play a crucial role in regulating the body's internal circadian clock, influencing sleep patterns, hormone secretion, and metabolism. Studies on mice with humanized livers show that altered liver function can disrupt circadian rhythms, highlighting potential new treatments for metabolic diseases.

SourceUniversity of Queensland·JournalScience Advances·TypeExperimental study·DateMay 17, 2023

Siblings can "pave the way" when they have a similar "Big Five" personality - with introverted siblings being more likely to leave home once their similarly introverted brother or sister has done so

A study found that siblings who share similar 'Big Five' personality traits are more likely to leave home together. Introverted siblings were particularly likely to follow in the footsteps of their similarly introverted sibling, highlighting the role of personality similarity in this transition.

SourcePLOS·JournalPLOS ONE·DateMay 17, 2023

New study highlights dangers of cumulative exposure to cardiovascular risks and need for earlier primary prevention strategies

Researchers developed a new tool to predict heart disease risk in those over 40 based on their total exposure to heart disease risk factors. The study found that black patients have a 46% greater risk of developing heart disease compared to white patients.

SourceUniversity of Maryland School of Medicine·JournalJournal of the American College of Cardiology·TypeObservational study·DateMay 17, 2023

AWI researchers demonstrate high natural radioactivity of manganese nodules

A new study by AWI researchers finds that manganese nodules can contain high levels of radioactive substances, including radium-226 and thorium-230, which exceed radiation protection limits. Handling these nodules without protective gear poses a health risk to humans.

SourceAlfred Wegener Institute, Helmholtz Centre for Polar and Marine Research·JournalScientific Reports·DateMay 17, 2023
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

‘Play deserts’ common throughout Deep South, Southwest

A new study found that hundreds of U.S. counties lack access to safe and accessible play areas for children. The researchers used machine learning technologies to determine the county-level disparities in physical activity environments.

SourceUniversity of Georgia·JournalISPRS International Journal of Geo-Information·DateMay 17, 2023

Understanding how to best transform speech into tactile vibrations could benefit hearing-impaired people

Scientists at Georgetown University Medical Center successfully transformed spoken words into patterns of vibration that activated the brain's auditory speech recognition system. The study opens doors to novel sensory substitution devices replacing lost sensory function, aiming for effortless and natural perception.

SourceGeorgetown University Medical Center·JournalJNeurosci·TypeObservational study·DateMay 17, 2023

Treatment naïve transgender youth exhibit unhealthy lifestyle behaviours that may have gender-specific effects on body weight

A study of treatment-naïve transgender youth found that nearly two-thirds reported eating an unhealthy diet, over three-quarters did not engage in physical activity, and half did not get enough sleep. The research highlights the need for individualized medical and nutrition interventions to protect their long-term metabolic and cardiov...

SourceEuropean Association for the Study of Obesity·DateMay 17, 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.

Researchers identify 10 pesticides toxic to neurons involved in Parkinson’s

Researchers at UCLA and Harvard have identified 10 pesticides toxic to dopaminergic neurons, which play a key role in voluntary movement. The study used California's pesticide use database and found that co-exposure of certain pesticides increased toxicity, with combinations involving herbicides like trifluralin producing the most harm.

SourceUniversity of California - Los Angeles Health Sciences·JournalNature Communications·DateMay 17, 2023

UC San Diego researchers present new wireless system for greater 5G access

Researchers at UC San Diego have developed a new technique to increase 5G mmWave network accessibility. The 'mmFlexible' system leverages antenna arrays to divide frequency bands into multiple usable beams, reducing lag by 60-150%. This innovation addresses the challenge of efficient data distribution in millimeter wave networks.

SourceUniversity of California - San Diego·DateMay 17, 2023

‘Potentially volcano-covered’ Earth-size planet found orbiting star first described by KU astronomer

Astronomers have discovered an Earth-sized exoplanet, LP 791-18 d, which orbits a small red dwarf star in the constellation Crater. The planet may experience volcanic flare-ups as frequently as Jupiter's moon Io, potentially making it habitable for life. However, more research is needed to confirm its atmosphere, water content, and hab...

SourceUniversity of Kansas·JournalNature·DateMay 17, 2023

An electric vehicle battery for all seasons

A new fluorine-containing electrolyte has been developed to perform well in sub-zero temperatures, addressing the issue of cold weather affecting electric vehicle battery effectiveness. The research demonstrates how to tailor the atomic structure of electrolytes for low-temperature applications.

SourceDOE/Argonne National Laboratory·JournalAdvanced Energy Materials·DateMay 17, 2023
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.

Australian nanomedicine research a ‘milestone’ in the treatment of childhood cancer

Researchers at Children's Cancer Institute Australia have developed a targeted drug delivery system that can selectively target leukaemia cells, reducing toxicity and improving treatment success. The approach has shown promising results in laboratory tests and living models of the disease, with potential applications for other types of...

SourceChildren's Cancer Institute Australia·JournalScience Translational Medicine·TypeCommentary/editorial·DateMay 17, 2023

NIH-funded study highlights the financial toll of health disparities in the United States

The study found that racial and ethnic health disparities cost the U.S. economy $451 billion in 2018, with education-related health disparities reaching $978 billion. The economic burden of health inequities is significant, but could be reduced by addressing structural contributors like racism and socioeconomic inequalities.

SourceNIH/National Institute on Minority Health and Health Disparities·JournalJAMA·DateMay 17, 2023

Fauna return rapidly in planted eelgrass meadows

Researchers from the University of Gothenburg found that replanted eelgrass meadows can restore biodiversity rapidly, with up to 80% of invertebrates returning after just three months. The study's findings suggest smaller plot sizes can be used, saving money on restoration efforts while maintaining ecosystem health.

SourceUniversity of Gothenburg·JournalRestoration Ecology·TypeExperimental study·DateMay 17, 2023
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.

Non-antibiotic treatment for women with persistent acne shown to be effective

A large-scale clinical trial has found that spironolactone is an effective treatment for persistent acne in women, offering an alternative to antibiotics. The study, funded by the National Institute for Health and Care Research, recruited over 400 women with acne that had persisted for more than six months.

SourceUniversity of Southampton·JournalBMJ·TypeRandomized controlled/clinical trial·DateMay 17, 2023

What did the earliest animals look like?

Researchers use chromosome structure to determine that comb jellies were the first lineage to branch off from the animal tree, followed by sponges. This finding sheds light on how animals arose and evolved into the diverse species we see today.

SourceUniversity of California - Berkeley·JournalNature·TypeExperimental study·DateMay 17, 2023

Did hormonal birth control make you depressed? If so, you may be at higher risk of postpartum depression

Researchers at the University of Copenhagen found a potential link between hormonal birth control and an increased risk of postpartum depression. The study suggests that women who experienced depression related to hormonal changes before pregnancy may be more susceptible to postpartum depression.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalJAMA Psychiatry·DateMay 17, 2023
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Lesbian, bisexual women more likely to have worse heart health than heterosexual women

A new study found that lesbian and bisexual women are less likely to have ideal cardiovascular health scores compared to heterosexual women. In contrast, gay and bisexual men were more likely to have ideal cardiovascular health scores. The study highlights the need for prevention strategies among sexual minority adults in France.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateMay 17, 2023

Scales or feathers? It all comes down to a few genes

Scientists have found that modifying the expression of specific genes can trigger the formation of feathers in chicken embryos, replacing scales. This study has significant implications for understanding how animals evolve and diversify, and could lead to new insights into similar processes in other species.

SourceUniversité de Genève·JournalScience Advances·TypeNews article·DateMay 17, 2023

Research spotlight: a conversational artificial intelligence program can generate credible medical information in response to common patient questions

A study found that a conversational artificial intelligence program can generate easy-to-understand, scientifically adequate answers to common patient questions about colonoscopy. The program outperformed human ratings in terms of scientific adequacy and satisfaction with the answers.

SourceMassachusetts General Hospital·JournalGastroenterology·DateMay 17, 2023

Morning lark or night owl: Baylor researchers highlight the influence of behavior on the circadian preferences of college students

A new study from Baylor University's Sleep Neuroscience and Cognition Laboratory reveals that chronotypes can fluctuate across a semester, with evening-type students showing worse sleep quality and duration. Engaging in healthier daytime behaviors can lead to better sleep, improving daytime life and academic success.

SourceBaylor University·JournalChronobiology International·TypeData/statistical analysis·DateMay 17, 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.

Cash or card? Consumers pay strategically to forget guilty purchases, study shows

A new study by the University of Notre Dame found that consumers tend to use cash for purchases they consider guilty or difficult to justify, while using cards for easier-to-justify transactions. This strategy helps consumers forget about undesirable purchases and track their spending more easily.

SourceUniversity of Notre Dame·JournalJournal of the Association for Consumer Research·TypeExperimental study·DateMay 17, 2023

Radio signal reveals supernova origin

Astronomers from Stockholm University detected the first radio emission of a Type Ia supernova, providing evidence for helium-rich circumstellar material. The discovery sheds light on the origins of these explosions and their role in measuring the expansion of the Universe.

SourceStockholm University·JournalNature·TypeObservational study·DateMay 17, 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.

What’s a park worth to the economy?

Researchers developed a framework to estimate economic benefits of urban parks, finding improved mental health and air quality lead to significant cost savings. The Quaker Foods City Square park in Peterborough, Ontario, yielded estimated annual benefits of over $4 million, justifying financial investment.

SourceUniversity of Waterloo·JournalInternational Journal of Environmental Research and Public Health·DateMay 17, 2023

Psychopathic traits behind the rise and fall of Madoff

A study by Anglia Ruskin University found that Madoff's business dealings, trial, and prison time revealed a high score on psychopathy scales. The research warns companies to identify and prevent corporate psychopaths who can bring down organizations and economies through recklessness and greed.

SourceAnglia Ruskin University·JournalInternational Journal of Market Research·TypeObservational study·DateMay 17, 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.