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Science News Archive July 2023 - Page 12


Page 12 of 36

Subseasonal transition of sea-ice anomalies in the Barents–Kara Sea in winter modulated by the “warm Arctic–cold Eurasia” pattern

The 'warm Arctic–cold Eurasia' pattern influences winter sea-ice anomalies in the Barents–Kara Sea, with a subseasonal transition from negative to positive ice coverage. This phenomenon is linked to atmospheric and oceanic changes driven by global warming.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAtmospheric and Oceanic Science Letters·DateJul 21, 2023

HKUMed finds metformin could promote healthy ageing based on genetics

A study published in The Lancet Healthy Longevity found that metformin may promote healthy ageing by reducing biomarkers of ageing and increasing telomere length. The research team used genetic analysis to identify variants associated with metformin use, suggesting a potential role for the drug in promoting healthy longevity.

SourceThe University of Hong Kong·JournalThe Lancet Healthy Longevity·TypeExperimental study·DateJul 21, 2023

Two types of ultrafast mode-locking operations generation from an Er-doped fiber laser based on germanene nanosheets

Using Germanene, researchers have developed two new methods for generating ultrafast mode-locking operations in fiber lasers. These methods utilize the material's fast carrier relaxation time and large nonlinear absorption coefficient to produce femtosecond pulses and higher energy noise-like pulses.

SourceHigher Education Press·JournalFrontiers of Optoelectronics·TypeExperimental study·DateJul 21, 2023

Mayo Clinic researchers pave the way for individualized obesity therapy, tailoring interventions to a person’s needs

Researchers developed a tailored approach to weight loss and cardiometabolic risk factors, showing significant improvement in targeted areas like abnormal fullness and emotional eating. The study suggests the need for an actionable, phenotype-based classification of patients in obesity treatment, moving beyond reliance on scales or bod...

SourceMayo Clinic·JournalEClinicalMedicine·DateJul 21, 2023

New brain cells can replace diseased and aged cells. That may help people with severe brain diseases

Researchers at the University of Copenhagen have discovered a way to replace diseased and aged brain cells with new ones, which could lead to treatments for neurodegenerative diseases like Huntington's disease and multiple sclerosis. The study used humanized mice models to test the effectiveness of glial cell transplantation.

New study uncovers potential risk of arsenic release from sediment under organic matter influence

Researchers found that organic matter can regulate groundwater arsenic mobilization and release, highlighting the need for comprehensive strategies to mitigate environmental risks. The study's findings have important implications for managing and mitigating groundwater pollution caused by the infiltration of organic matter.

SourceChinese Society for Environmental Sciences·JournalEnvironmental Science and Ecotechnology·TypeExperimental study·DateJul 21, 2023

Going the distance for better wireless charging

A better way to wirelessly charge over long distances has been developed, utilizing the phenomenon of radiation suppression. The research shows high transfer efficiency, over 80 percent, can be achieved at distances approximately five times the size of the antenna.

SourceAalto University·JournalPhysical Review Applied·DateJul 21, 2023

Study: How mother and infant sleep patterns interact during the first two years of life

The study found two distinct groups: low maternal sleep (5-6 hours/night) and average maternal sleep (7-8 hours/night). Children in the low maternal sleep group slept less. Establishing early bedtime routines and consistent sleep patterns improved sleep duration and reduced sleep problems.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Developmental & Behavioral Pediatrics·TypeObservational study·DateJul 21, 2023

Father’s psychiatric diagnosis increases risk of preterm birth, study reports

A recent study has found that babies born to fathers with psychiatric diagnoses are more likely to be born prematurely. The study analyzed data from over 1.5 million births in Sweden and found a significant increase in preterm births among infants whose father had a psychiatric diagnosis.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalPLOS Medicine·TypeData/statistical analysis·DateJul 21, 2023

Dark SRF experiment at Fermilab demonstrates ultra-sensitivity for dark photon searches

Scientists trapped ordinary photons in superconducting radio frequency cavities to search for dark photon transitions, demonstrating unprecedented sensitivity and the world's best constraint on dark photon existence. The experiment used SRF cavities with high efficiency and covered new parameter regions for dark photon mass.

SourceDOE/Fermi National Accelerator Laboratory·JournalPhysical Review Letters·DateJul 21, 2023

To stick or to bounce: Size determines the stickiness of cosmic dust aggregates

Research suggests that larger cosmic dust aggregates are less likely to stick together after collisions. This limits the growth of planetary building blocks, complicating the process of planet formation. Simulations reveal that size is a critical factor in determining sticking probability, with larger aggregates more prone to bouncing.

SourceTohoku University·JournalThe Astrophysical Journal Letters·DateJul 21, 2023

Miocene period fossil forest of Wataria found in Japan

A research team from Hokkaido University has found an exceptionally preserved fossil forest of Wataria parvipora, which was predominantly accompanied by Byttneriophyllum leaves. The discovery helps reconstruct a whole Eurasian plant from the late Miocene epoch and sheds light on the taxonomic identity of plants.

SourceHokkaido University·JournalScientific Reports·TypeObservational study·DateJul 21, 2023

Team from Korea University medicine explores ways to overcome cisplatin resistance and alleviate pain in cancer treatment

Researchers from Korea University Medicine have discovered a potential therapeutic target for overcoming cisplatin resistance and neuropathic pain in cervical cancer. By inhibiting TRPV1, they found that resistant tumors became vulnerable to cisplatin, improving the outlook for patients.

SourceKorea University College of Medicine·JournalNature Communications·TypeExperimental study·DateJul 20, 2023

Global GPS measurements indicate observable phase of fault slip two hours before large earthquakes

Researchers found evidence of a precursory phase of fault slip occurring two hours before large earthquakes, using global GPS time-series data from nearly 100 major quakes worldwide. The study suggests that many large earthquakes start with a precursory phase of slip or represent the tail end of a longer process.

Ultra-processed foods largely missing from US food policy

A new study finds that only a small number of US policies consider ultra-processed foods, which have been linked to weight gain, diabetes, and certain cancers. The US lacks national dietary guidelines for these foods, despite international countries like Belgium, Brazil, and Israel having incorporated them.

SourceNew York University·JournalAmerican Journal of Preventive Medicine·DateJul 20, 2023