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Science News Archive December 2022 - Page 26


Page 26 of 31

Jawbone may represent earliest presence of humans in Europe

A new analysis of a 45,000-65,000 year old fossil mandible from Spain suggests it may be the earliest documented presence of Homo sapiens in Europe, rather than a Neandertal. The study used CT scanning and 3D modeling to analyze the fossil's shape and features, finding that it shared characteristics with both humans and Neandertals.

SourceBinghamton University·JournalJournal of Human Evolution·TypeImaging analysis·DateDec 6, 2022

Maintaining healthy lifestyle might prevent up to 60% of inflammatory bowel disease cases

A large international study found that adopting and maintaining a healthy lifestyle may prevent up to 60% of Crohn's disease and ulcerative colitis cases. The study analyzed data from over 300,000 participants and estimated that a low risk score for inflammatory bowel disease could have prevented a significant proportion of cases if an...

SourceBMJ Group·JournalGut·TypeObservational study·DateDec 6, 2022

Meet Squeegee: A new contamination detection tool for low microbial biomass microbiomes

Researchers at Baylor College of Medicine and Rice University developed a new contamination detection tool called Squeegee to establish reproducibility in microbiome identification. The tool uses computer analysis to detect 'breadcrumbs' of contaminants, improving the accuracy of metagenomic sequencing analysis in low biomass studies.

SourceBaylor College of Medicine·JournalNature Communications·TypeComputational simulation/modeling·DateDec 6, 2022

Silicon wafers inspection by terahertz emission spectroscopy could provide new opportunities for the semiconductor industry

Researchers developed a noncontact method to characterize Si surface properties, including surface potential and charge density. The technique uses terahertz emission spectroscopy and offers rapid, sensitive, and semiquantitative characterization of Si surfaces.

As family dynamics evolve, WVU study reveals health care limitations for children not raised by two parents

A WVU study found that children from non-traditional family structures, such as single-parent households and multi-generational families, face difficulties accessing healthcare. The research highlights the need for providers to be aware of the unique challenges faced by these families and to adapt their services accordingly.

SourceWest Virginia University·JournalJournal of Family Nursing·DateDec 6, 2022

How antibody therapy impacts COVID vaccines

Research finds that individuals who received monoclonal antibodies before COVID vaccination exhibit a diverse antibody response, increasing the coverage provided by vaccines. This phenomenon, known as antibody feedback inhibition, is beneficial for diversifying immune responses to viruses.

SourceRockefeller University·JournalNature·DateDec 6, 2022

Fighting cancer is more efficient at dawn

Researchers at UNIGE and LMU discovered that immune system's anti-tumour activity peaks in the morning. Tumours implanted at night grew faster than those implanted in the afternoon. Administering immunotherapy treatments early morning significantly enhanced their effectiveness, suggesting a new strategy for cancer treatment.

SourceUniversité de Genève·JournalNature·TypeNews article·DateDec 6, 2022

Rhino conservation in Nepal creates a burden for communities, infrastructure and other species, study warns

A new study by Michelle Szydlowski from the University of Exeter warns that rhino conservation efforts in Nepal are putting a burden on communities, infrastructure, and other species. The study found that successful anti-poaching campaigns have increased tourist numbers and rhino populations, but also led to human and animal casualties.

SourceUniversity of Exeter·JournalJournal of Ecotourism·TypeObservational study·DateDec 6, 2022

Forest wildflowers and their overstory trees are changing with climate, but not always keeping pace

Research found that North American wildflower timing is more sensitive to warmer temperatures than surrounding tree growth, threatening the flower's ability to grow. In contrast, European and Asian forests show a synchronized shift in tree and wildflower phenology, potentially leading to increased light for wildflowers.

SourceHolden Forests & Gardens·JournalNature Communications·TypeObservational study·DateDec 6, 2022

Study finds racial disparity in pro-metastatic tumor microenvironment among women with residual breast cancer after neoadjuvant chemotherapy

Research shows that tumors from Black patients have a higher score of biomarker for distant metastatic recurrence and more macrophages than white patients. The study suggests that racial disparities in ER-positive/HER2-negative breast cancer outcomes may be partly explained by differences in the tumor microenvironment.

How tree species link fungal partners in their aboveground and belowground habitats across a large-scale forest ecosystem

Researchers found striking differences in fungal richness and community composition between leaves and soils, with soil fungi being three times more diverse. Plant species identity and phylogeny drive foliar fungal communities, while soil fungi are influenced by plant-phylogeny interactions, climate, and soil properties.

SourceScience China Press·JournalScience China Life Sciences·DateDec 6, 2022

Nearly 1,000 overdoses reversed using naloxone distributed through vending machine

A self-service vending machine filled with harm reduction supplies such as naloxone helped prevent overdoses and contributed to a decrease in Hamilton County's overdose deaths in 2021. Nearly 900 people used the machine since its installation, with nearly 16% of users reporting they had never used harm reduction services before.

SourceUniversity of Cincinnati·JournalJournal of the American Pharmacists Association·TypeExperimental study·DateDec 6, 2022

Itchy eyes and a runny nose? It could be climate change

Researchers at Rutgers University simulated climate change's impact on allergenic pollens, finding significant increases in airborne pollen loads by 2050. The study predicts earlier start times and longer durations for pollen seasons across the US, with notable regional shifts.

SourceRutgers University·JournalFrontiers in Allergy·TypeComputational simulation/modeling·DateDec 6, 2022

New research shows people, wildlife, and marine environment benefit when island-ocean connections are restored

Research highlights the critical link between island and marine ecosystems, identifying six essential environmental characteristics to guide prioritization of conservation efforts. Restoring islands can maximize returns for conservation management investments in ocean health and biodiversity.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·TypeLiterature review·DateDec 5, 2022

Antarctic ice: a better knowledge of the ocean improves the predictability of sea ice variability

Researchers found that using coupled atmosphere-ocean-sea ice circulation models with observation-based datasets, they can predict Antarctic sea ice variability over decadal time scales. The initialization of subsurface ocean temperature and salinity fields significantly improves prediction skills, especially in the west Antarctic region.

Photon-efficient volumetric imaging with light-sheet scanning fluorescence microscopy

Researchers developed a photon-efficient volumetric imaging method, laterally swept light-sheet microscopy (iLSLM), which improves axial resolution and optical sectioning while reducing photobleaching. iLSLM outperforms conventional methods like swept focus light-sheet microscopy in terms of resolution and photon efficiency.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics Nexus·DateDec 5, 2022

Mount Sinai study uncovers inflammatory markers that may predict a response in certain patients to COVID-19 immunotherapies

A Mount Sinai study found that certain inflammatory markers can predict which patients are more likely to respond to COVID-19 immunotherapies. The researchers identified a subtype of COVID-19 patients with hyperinflammation who could benefit from pacritinib, an anti-cancer drug.

University of Cincinnati study examines medication hesitancy to treat childhood anxiety disorders

A recent study published in Journal of Clinical Psychiatry found that only about 10% of children and adolescents who didn't improve with cognitive behavioral therapy opted for medication treatment. Patient characteristics, such as racial and ethnic minorities, younger patients, and expectations of treatment effectiveness, were identifi...

SourceUniversity of Cincinnati·JournalJournal of Clinical Psychiatry·TypeData/statistical analysis·DateDec 5, 2022

Milestone for laser technology

A team of researchers from Synchrotron SOLEIL, France, and Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany, has successfully demonstrated a free-electron laser driven by plasma acceleration and seeded by additional light pulses. This achievement could lead to the development of more compact and affordable FEL systems.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalNature Photonics·TypeExperimental study·DateDec 5, 2022

Fearlessness can be learned

Researchers discovered that eliminating a serotonin receptor enhances fear extinction, leading to improved therapy outcomes for PTSD patients. This finding may help develop targeted treatment strategies by understanding the role of SSRIs in modulating brain activity.

SourceRuhr-University Bochum·JournalTranslational Psychiatry·TypeExperimental study·DateDec 5, 2022

Study links genetic variant to digestive disturbances in patients with Chagas disease

Researchers identified a genetic variant linked to digestive disturbances in patients with Chagas megaesophagus, a disorder characterized by esophageal dilation and loss of motility. The study suggests that increased interferon-gamma production leads to mitochondrial dysfunction, contributing to the development of the disease.

New blood test can detect ‘toxic’ protein years before Alzheimer’s symptoms emerge, study shows

A new laboratory test can measure levels of amyloid beta oligomers in blood samples, detecting toxic proteins up to years before cognitive impairment. The test, SOBA, has shown promising results in identifying individuals at risk or incubating Alzheimer's disease.

SourceUniversity of Washington·JournalProceedings of the National Academy of Sciences·TypeRandomized controlled/clinical trial·DateDec 5, 2022

New mobile health technology for sleep apnea care to address individual patient needs

Researchers developed an app to track CPAP use, sleep patterns, and other health metrics to provide a new adherence metric that aligns therapy with individual need. This tool can help patients and providers deliver more effective sleep apnea treatment by tracking progress toward a personalized dose of therapy.

SourceUniversity of Chicago Medical Center·JournalJournal of Medical Internet Research·DateDec 5, 2022

New instrument measures supercurrent flow, data has applications in quantum computing

Researchers have developed a new microscope that can measure supercurrent flow at extremely small scales and high energies. The Cryogenic Magneto-Terahertz Scanning Near-field Optical Microscope (cm-SNOM) instrument is being used to study superconductivity, which has applications in quantum computing and medical imaging.

SourceIowa State University·JournalNature Physics·TypeExperimental study·DateDec 5, 2022

Decrease in Japanese children's ability to balance during movement related to COVID-19 activity restrictions

The study found that COVID-19 restrictions led to decreased balance ability, higher body fat levels, and worsened lifestyle habits in Japanese children. The researchers suggest that quality of exercise, rather than quantity, was the main factor contributing to these changes.

SourceNagoya University·JournalInternational Journal of Environmental Research and Public Health·DateDec 5, 2022

The universal sound of swearing across languages

Research suggests a universal pattern in profanity across different languages, with the lack of approximants being a common feature when perceiving swear words. Participants rated pseudo-words with and without approximants differently, indicating that approximant-free words were more likely to be considered swear words.

SourceSpringer·JournalPsychonomic Bulletin & Review·DateDec 5, 2022

Trial compares therapies for reducing cardiovascular risk among people with rheumatoid arthritis

A randomized clinical trial found that two anti-inflammatory strategies reduced disease activity and arterial inflammation in patients with moderate to high rheumatoid arthritis. The treatments had no differences in cardiovascular risk reduction, highlighting the importance of specific clinical trials for this population.

SourceBrigham and Women's Hospital·JournalAnnals of the Rheumatic Diseases·TypeObservational study·DateDec 5, 2022