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Science News Archive March 2024 - Page 33


Page 33 of 42

CSI in space: Analyzing bloodstain patterns in microgravity

Researchers at Staffordshire University and the University of Hull studied bloodstain patterns in microgravity, revealing unique challenges for forensic investigators. The study found that amplified surface tension and cohesion cause blood droplets to stick to surfaces, leading to slower spread rates and altered shapes.

SourceStaffordshire University·JournalForensic Science International Reports·TypeExperimental study·DateMar 8, 2024

What heat can tell us about battery chemistry: using the Peltier effect to study lithium-ion cells

A team of researchers at the University of Illinois has demonstrated a technique to study chemical properties of lithium-ion battery cells by exploiting the Peltier effect. This allows them to experimentally measure the entropy of the lithium-ion electrolyte, which could inform lithium-ion battery design.

SourceUniversity of Illinois Grainger College of Engineering·JournalPhysical Chemistry Chemical Physics·DateMar 8, 2024

Impact of onset time, number, type, and sequence of extrahepatic organ failure on prognosis of acute-on-chronic liver failure

A total of 736 ACLF patients were included in the study, with 54.6% experiencing extrahepatic organ failure (EHOF). MEHOF or SEHOF with brain failure indicated a worse prognosis. Risk stratification using EHOF characteristics effectively differentiated patients with different mortality risks.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateMar 8, 2024

Women with high-risk HPV and metabolic syndrome have almost three times risk for mortality, York University researchers find

Researchers at York University found that women with both high-risk human papillomavirus (HPV) and metabolic syndrome are at a significantly higher risk of mortality. The study analyzed data from over 5,000 individuals and found that those with both conditions had a 2.6 times higher risk for mortality than those without either condition.

SourceYork University·JournalPLOS ONE·TypeData/statistical analysis·DateMar 8, 2024

Good news for coral reef restoration efforts: Study finds “full recovery” of reef growth within four years

Researchers found that restored coral reefs can grow at the same speed as healthy reefs within four years, bringing back important ecosystem functions and habitat for marine life. The study's results show promise for reef restoration projects worldwide, but longer-term studies are needed to understand resilience under stress.

SourceCell Press·JournalCurrent Biology·TypeExperimental study·DateMar 8, 2024

Deciphering catalysts: Unveiling structure-activity correlations

A team of researchers at Tohoku University's Advanced Institute for Materials Research has made a breakthrough in understanding the relationship between catalyst structures and their reactions. By studying the electrochemical CO2 reduction reaction (CO2RR) in Tin-Oxide-based catalysts, they uncovered the active surface species responsi...

Optimizing boosters: How COVID mRNA vaccines reshape immune memory after each dose

Researchers found that T cells can reshape their memory and maintain diversity against COVID-19 variants in response to successive mRNA vaccinations. The study revealed a shift among clonotypes, with a change from early responders to main responders after the second shot, suggesting a new dominant population of effector-memory T cells.

SourceTokyo University of Science·JournalCell Reports·TypeExperimental study·DateMar 8, 2024

Brain waves travel in one direction when memories are made and the opposite when recalled

Researchers at Columbia University discovered that brain waves move from back to front while forming new memories, but reverse direction when recalling information. The study's findings advance fundamental neuroscience research and may lead to diagnostic and therapeutic approaches for memory-related disorders.

New method to predict medical risks decades ahead

Researchers at the Complexity Science Hub identified key points where disease trajectories diverge, providing clues for early and personalized prevention strategies. The study analyzed hospital stays in Austria between 2003 and 2014 and found correlations between different diseases among different age groups.

SourceComplexity Science Hub·Journalnpj Digital Medicine·TypeData/statistical analysis·DateMar 7, 2024

Youth enrichment activities could harm mental health

A new study from the University of Georgia reveals that high schoolers who spend more time on enrichment activities, such as tutoring and sports, experience negative effects on their mental health. The study found that adding more enrichment activities is unlikely to benefit students academically.

SourceUniversity of Georgia·JournalEconomics of Education Review·DateMar 7, 2024

Optically trapped quantum droplets of light can bind together to form macroscopic complexes

Scientists from CNR Nanotec and the University of Warsaw created a new method to simulate interactions between artificial atoms by forming macroscopic coherent states. They used optically tailored quantum droplets of light that became bound together, enabling stable and long-lived polariton fluids with unprecedented coherence scales.

SourceUniversity of Warsaw, Faculty of Physics·JournalNature Physics·DateMar 7, 2024

Novel method improves fourier transform infrared spectroscopy detection of ultra-low concentration trace substances

Researchers developed a spectral resolution enhancement method based on linear prediction theory to expand FTIR technology's application in detecting multi-component ultra-low concentration trace substances. The method effectively enhanced spectral resolution, achieving a relative error of 0.28% in spectral feature absorption bands.

New habitats affect plant defense

Research found that introduced ribwort plantain populations have higher concentrations of chemical defense compounds than native populations, despite showing slightly greater feeding damage. Climatic conditions also play a role in the accumulation of volatile compounds and the plants' ability to cope with environmental stresses.

SourceMax Planck Institute for Chemical Ecology·JournalFunctional Ecology·TypeExperimental study·DateMar 7, 2024

Prepare workers to weather time shocks

The study identifies three patterns of resilience: adjusting, absorbing, and adopting, each with strengths and weaknesses. Strategies include flexible deadlines, margins, bite-sized shifts, patience, and recognizing time as a fundamental element for dealing with environmental changes.

SourceUniversity of Texas at Austin·JournalAcademy of Management Review·TypeLiterature review·DateMar 7, 2024

Drawings of mathematical problems predict their resolution

Researchers found that mental representations, as seen in children's and adults' drawings, influence calculation strategies for solving simple arithmetic problems. The study reveals that certain drawing typologies are associated with effective calculation strategies, regardless of age or experience. This discovery opens up new perspect...

SourceUniversité de Genève·JournalMemory & Cognition·TypeNews article·DateMar 7, 2024

CHOP researchers find pre-existing mental health diagnoses may prolong time to recovery from concussion

Researchers found that pre-existing mental health diagnoses lead to a greater emotional burden and prolonged recovery time after a concussion. The study also discovered a 'dose-response' effect, where more mental health diagnoses correlate with increased emotional symptoms and longer recovery periods. Boys with prolonged recovery exper...

SourceChildren's Hospital of Philadelphia·JournalSports Health A Multidisciplinary Approach·TypeExperimental study·DateMar 7, 2024

Scientists unveil the role of neighboring adsorbates and quantum tunneling in the surface diffusion of hydrogen atoms

Researchers investigate the role of neighboring adsorbates and quantum tunneling in hydrogen diffusion on graphene surfaces. Quantum tunneling plays a key role in diffusion at room temperature and below, with contributions still present at higher temperatures.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalThe Journal of Physical Chemistry C·DateMar 7, 2024

New treatment could transform the mental health of children with epilepsy

A new treatment has been shown to reduce mental health difficulties in children with epilepsy compared to standard care. The Mental Health Intervention for Children with Epilepsy (MICE) treatment uses a modular approach to treat multiple conditions simultaneously, reducing the likelihood of psychiatric disorders by 40%.

SourceUniversity College London·JournalThe Lancet·TypeRandomized controlled/clinical trial·DateMar 7, 2024

Pinging pipes could help to identify lead water lines without excavation

A recent study by Drexel University shows that sound waves can reveal the composition of buried water lines, allowing for the speedy removal of lead service lines. The technique uses ultrasonic stress wave propagation to detect unique acoustic signatures for each type of pipe, making it a promising alternative to invasive testing methods.

SourceDrexel University·JournalJournal of Nondestructive Evaluation·TypeExperimental study·DateMar 7, 2024

Mapping chemical footprints in European streams

A study analyzing 610 chemicals found in European watercourses detected 504 substances, including pesticides, pharmaceuticals, and PFAS, with 74% of samples exceeding scientific limit values. The chemical footprint concept quantifies the impact of mixtures on aquatic organisms, highlighting the need for further monitoring and evaluation.

SourceHelmholtz Centre for Environmental Research - UFZ·JournalEnvironment International·TypeData/statistical analysis·DateMar 7, 2024

NYBG scientist and colleagues discover seven new plant species in the highly threatened cloud forests of the Andes mountains in Peru

Researchers describe seven rare plant species with brightly colored flowers found only in highly threatened Andes Mountains forest ecosystems. The discovery highlights the urgency of protecting these high-altitude cloud forests, which are under threat from agriculture and livestock encroachment.

SourceThe New York Botanical Garden·JournalPhytotaxa·TypeObservational study·DateMar 7, 2024

Two-dimensional bimetallic selenium-containing metal-organic frameworks and their calcinated derivatives as electrocatalysts for overall water splitting

Researchers created high-efficiency Se-containing electrocatalysts for overall water splitting using 2D layered metal-organic frameworks. The unique structure and synergistic effect between components significantly improve the electrochemical performance.

SourceHigher Education Press·JournalFrontiers in Energy·TypeExperimental study·DateMar 7, 2024