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Science News Archive June 2023 - Page 31


Page 31 of 40

Octopuses rewire their brains to adapt to seasonal temperature shifts

Researchers found that two-spot octopuses produce different neural proteins under warm versus cool conditions by editing their RNA. This rewiring likely protects their brains and may be used widely amongst octopuses and squid. Temperature-sensitive RNA editing occurs rapidly, with significant changes occurring within days.

SourceCell Press·JournalCell·TypeExperimental study·DateJun 8, 2023

Drug to treat cannabis use disorder shows promise in clinical trial

A Phase 2a clinical trial found that AEFO117 significantly reduced the effects of cannabis in daily smokers and decreased both positive mood effects and decision to use cannabis. The drug, developed by Aelis Farma, appears to counteract the high associated with THC without disrupting physiological and behavioral functions.

SourceColumbia University Irving Medical Center·JournalNature Medicine·TypeRandomized controlled/clinical trial·DateJun 8, 2023

Geisel study offers new insights into how Medicare fraud has spread across U.S. regions in recent years

A study by Dartmouth's Geisel School of Medicine found that Medicare fraud in home healthcare billing spread rapidly across U.S. regions between 2002 and 2009, driven by characteristics such as shared patients, high expenditures, and rapid growth in the number of home health agencies. The researchers developed a novel network analysis ...

SourceThe Geisel School of Medicine at Dartmouth·JournalSocial Science & Medicine·TypeData/statistical analysis·DateJun 8, 2023

Diet tracking: How much is enough to lose weight?

Researchers found that participants only need to track around 30% of the days to lose more than 3% weight and 40% of the days to lose more than 5% weight. A third group, called the low trackers, started tracking only three days a week, and dropped to zero by three months, where they stayed for the rest of the intervention.

SourceUniversity of Connecticut·JournalObesity·TypeData/statistical analysis·DateJun 8, 2023

'Hot Jupiters' may not be orbiting alone

A study by Indiana University astronomer Songhu Wang reveals that at least a fraction of hot Jupiters cannot form through violent processes, suggesting a new understanding of their evolution. Researchers found 12% of hot Jupiters and 70% of warm Jupiters have nearby planetary companions.

SourceIndiana University·JournalThe Astronomical Journal·TypeData/statistical analysis·DateJun 7, 2023

Social participation promotes optimal aging in older adults, research shows

A new study followed over 7,000 middle-aged and older Canadians for three years, finding that social participation was associated with successful aging. Those who engaged in volunteer work and recreational activities were more likely to maintain excellent health and less likely to develop physical or mental problems.

SourceUniversity of Toronto·JournalInternational Journal of Environmental Research and Public Health·TypeSurvey·DateJun 7, 2023

Study shows partial meniscus removal using needle arthroscopy offers significantly less pain and improved patient outcomes two weeks following surgery

A recent study published in The Journal of Orthopaedics found that patients who underwent partial meniscectomy using a needle arthroscopic technique experienced significantly less pain and improved patient-reported outcomes at two weeks after surgery. However, differences were not sustained at six weeks.

SourceMarshall University Joan C. Edwards School of Medicine·JournalJournal of Orthopaedics·TypeData/statistical analysis·DateJun 7, 2023

What does ChatGPT say when you tell it you were sexually assaulted, you’re suicidal, or want to quit smoking?

A study by the University of California - San Diego found that ChatGPT provided evidence-based responses to 91% of public health questions, but only referred users to resources in 22% of cases. The researchers emphasize the importance of promoting human-powered critical resources like life-saving hotlines.

SourceUniversity of California - San Diego·JournalJAMA Network Open·TypeObservational study·DateJun 7, 2023

University of Ottawa team leads promising new research on devastating brain disorder

A University of Ottawa team has discovered a vital role for the VGLUT3 transporter protein in modulating the development of Huntington's disease. The study shows that blocking glutamate release through this protein can lead to an amelioration of the disease progression, offering new hope for potential treatment approaches.

SourceUniversity of Ottawa·JournalNeurobiology of Disease·TypeExperimental study·DateJun 7, 2023

Combining bioprinting techniques to pursue functional blood vessels

Researchers at the University Medical Center Utrecht combined volumetric bioprinting and melt electrowriting to create functional blood vessels. The technique allowed for the creation of tubes, forked vessels, and even venous valves with unidirectional flow, paving the way for further development into a fully functional blood vessel.

SourceUniversity Medical Center Utrecht·JournalAdvanced Materials·TypeExperimental study·DateJun 7, 2023

New study could help unlock ‘game-changing’ batteries for electric vehicles and aviation

Researchers used X-ray computed tomography to visualize dendrite failure in unprecedented detail, revealing separate processes driving initiation and propagation of cracks. The findings point to overcoming technological challenges of lithium metal solid-state batteries, which could improve EV battery range, safety, and performance.

SourceUniversity of Oxford·JournalNature·TypeExperimental study·DateJun 7, 2023

Accelerated relaxation dynamics in compressed cerium-based metallic glass

A new method has revealed an unexpected acceleration of relaxation dynamics in compressed cerium-based metallic glass under high pressure. The study shows a non-monotonic crossover at ~3 GPa, indicating that structural details play a crucial role in glass relaxation dynamics.

SourceCenter for High Pressure Science & Technology Advanced Research·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJun 7, 2023

What your likes, posts really say about you

A new study from Washington University in St. Louis offers a fine-grained scale to understand how people use social media, revealing four categories: belief-based, consumption-based, image-based and comparison-based. Each category is associated with unique personality traits and behavioral characteristics.

SourceWashington University in St. Louis·JournalAssessment·TypeExperimental study·DateJun 7, 2023

Does fat content within muscle predict risk of cognitive decline?

A study published in the Journal of the American Geriatrics Society found that a 5-year increase in muscle fat stored in the thigh muscle is associated with faster cognitive decline. The research suggests that muscle adiposity plays a unique role in cognitive decline, distinct from other types of fat or muscle characteristics.

SourceWiley·JournalJournal of the American Geriatrics Society·DateJun 7, 2023

Despite major progress nationally, two mercury emissions hotspots remain

A new study from Harvard University reveals that despite the national reduction of mercury emissions by 90% since the implementation of the Mercury and Air Toxics Standards in 2011, two regions - Texas and North Dakota - continue to be major sources of toxic air pollution. The research highlights significant sociodemographic disparitie...

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalEnvironmental Science & Technology Letters·TypeData/statistical analysis·DateJun 7, 2023

Investigating the placenta: Discovery from Stowers Scientists shows why this often-overlooked organ should be given more attention

A new study from the Stowers Institute for Medical Research reveals the placenta's polyploid cells play a vital role in supporting healthy embryonic development. The modified cell cycle controlling polyploidy is governed by the regulatory gene Myc, which supports DNA replication and prevents premature cellular aging.

SourceStowers Institute for Medical Research·JournalDevelopment·TypeExperimental study·DateJun 7, 2023

Birds and bats ensure yields for cacao farmers in northern Peru

Farmers' use of birds and bats as part-time collaborators has been found to increase productivity by 54% and boost annual yields by approximately $959 per hectare. This partnership helps mitigate the damage caused by pests such as aphids and mealybugs, ultimately benefiting cacao farmers in northern Peru.

New research: Maybe crying in baseball is a good thing?

Researchers found that specialized MLB pitchers perform better in their specialty after obligatory tasks outside of their specialization, such as batting. This phenomenon is known as 'forced task inferiority,' where underperformance in non-specialist tasks frustrates specialists and generates heightened drive that they can channel into...

SourceCornell University·JournalOrganization Science·DateJun 7, 2023

Electronic health records can contain bias, potentially impacting clinical trials

A recent commentary highlights a potential hidden source of bias in electronic health records, which can impact clinical trials. Embedded pragmatic clinical trials rely heavily on EHRs for data collection, excluding people from underrepresented groups due to lack of access or inaccurate data collection.

SourceUniversity of Illinois Chicago·JournalContemporary Clinical Trials·TypeCommentary/editorial·DateJun 7, 2023