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Science News Archive 2024 - Page 193


Page 193 of 484

Classical music lifts our mood by synchronizing our “extended amygdala”

A study published in Cell Reports found that Western classical music elicits positive effects on the brain by synchronizing neural oscillations between the auditory cortex and rewards circuit. Patients with treatment-resistant depression who received high music appreciation showed better antidepressant effects, while those with low mus...

SourceCell Press·JournalCell Reports·TypeObservational study·DateAug 9, 2024

Upcycling spent coffee grounds by isolating Mannan-rich Holocellulose nanofibers

Scientists at Yokohama National University successfully isolated Mannan-rich Holocellulose nanofibers (HCNFs) from spent coffee grounds using TEMPO-mediated oxidation. The resulting HCNFs exhibit desirable properties, including preservative-free long-term storage, volume reduction during transportation, and easy handling without solven...

SourceYokohama National University·JournalCarbohydrate Polymer Technologies and Applications·DateAug 9, 2024

Black employees more likely to experience depression after workplace mistreatment

A study by Indiana University Kelley School of Business found that Black employees are more likely to attribute workplace mistreatment to racial prejudice and make a pessimistic attribution. This leads to higher rates of depression compared to white employees. Organisations must create an inclusive workplace to reduce workplace mistrea...

SourceIndiana University·JournalJournal of Applied Psychology·TypeObservational study·DateAug 9, 2024

New technology uses light to engrave erasable 3D images

Researchers at Dartmouth College developed a technique using light to imprint 2D and 3D images inside any polymer containing a photosensitive chemical additive. The technology enables the creation of erasable 3D displays with high resolution, applicable in surgeries, architectural designs, education, and art.

SourceDartmouth College·JournalChem·TypeExperimental study·DateAug 9, 2024

3D laser printing with bioinks from microalgae

A research team at Heidelberg University has successfully developed a new generation of biocompatible materials for additive manufacturing using microalgae. The materials were extracted from the raw materials of diatom and green alga species and proved to be suitable as inks for high-resolution 3D laser printing.

SourceHeidelberg University·JournalAdvanced Materials·DateAug 9, 2024

A new mechanism for shaping animal tissues

Researchers from Max Planck Institute of Molecular Cell Biology and Genetics found a new mechanism for shaping animal tissues through collective, programmed cell behaviors. This discovery could help understand how tissues form in animals and provides a new approach to studying tissue-shaping processes.

SourceMax Planck Institute of Molecular Cell Biology and Genetics (MPI-CBG)·JournalScience Advances·TypeComputational simulation/modeling·DateAug 9, 2024

Universal free school meals and school and student outcomes

A systematic review found that universal free school meals were associated with increased meal participation and no significant improvements in attendance. The study also noted a decrease in obesity prevalence and suspension rates, although the evidence for these findings was moderate to low certainty.

SourceJAMA Network·JournalJAMA Network Open·DateAug 9, 2024

Experts provide further proof of role testosterone plays in preventing severe Covid

A new study published in Andrology has found that patients with lower testosterone levels tend to have short little fingers, which is associated with an increased risk of severe Covid-19. The research suggests that testosterone may reduce inflammation in the lungs and other organs, providing a protective effect against severe illness.

SourceSwansea University·JournalAndrology·TypeRandomized controlled/clinical trial·DateAug 9, 2024

Faster detection of pancreatic cancer

A new method for detecting pancreatic cancer has been introduced using glycopeptide probes that selectively detect specific antibodies in blood samples. These probes mimic tumor-associated antigens and show promise for early detection screenings.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateAug 9, 2024

Memory problems in old age linked to a key enzyme, study in mice finds

A team of researchers from Penn State has identified HDAC3 as a key contributor to age-related impairments in memory updating. When blocked, older mice performed similarly to their younger counterparts, suggesting potential therapeutic targets for improving cognitive flexibility in old age.

SourcePenn State·JournalFrontiers in Molecular Neuroscience·TypeExperimental study·DateAug 9, 2024

VA’s Disrupted Care National Project discovers vascular surgery rates still decreasing since COVID-19 pandemic

The study analyzed 21,031 vascular surgeries and found that the number of procedures has continued to decrease, particularly for younger and minority patients. The drop in vascular surgeries has been attributed to various factors, including elective surgery cancellations and resource scarcity during the pandemic.

SourceVeterans Affairs Research Communications·JournalAnnals of Vascular Surgery·TypeMeta-analysis·DateAug 9, 2024

From fungi to pharmaceuticals: a milestone for the production of eutyscoparol A and violaceoid C

Researchers from Tokyo University of Science have developed an efficient method to synthesize eutyscoparol A and violaceoid C, two compounds with potential therapeutic properties. The new approach improves yields and simplifies synthesis steps, enabling further research into their pharmacological effects.

SourceTokyo University of Science·JournalAsian Journal of Organic Chemistry·TypeExperimental study·DateAug 9, 2024

Quantum leap: breakthrough for secure communication with ‘artificial atoms’

A team of scientists has successfully established the first intercity quantum key distribution experiment using semiconductor quantum dots as single-photon sources. This breakthrough enables fast and stable transmission of secret keys over long distances, paving the way for a secure 'quantum internet'.

New ancient marine crocodile from time of dinosaurs provides insight into the groups lifestyle and diversity

A newly discovered species of ancient marine crocodile, Enalioetes schroederi, has provided fresh insight into how metriorhynchids evolved during the Cretaceous Period. The fossil, with a remarkably preserved skull and internal anatomy, shows adaptations to an increasingly marine lifestyle.

SourceUniversity of Edinburgh·JournalJournal of Systematic Palaeontology·TypeObservational study·DateAug 9, 2024

Unlocking the potential of rapeseed: CRISPR edits for hybrid efficiency

Researchers have developed a novel approach using CRISPR/Cas9 technology to create male-sterile lines in rapeseed, simplifying the hybrid seed production process. The BnDAD1 gene targeting disrupts the jasmonic acid pathway, enabling controlled and efficient method for creating hybrids that can significantly boost vegetable oil output.

Are birds flying atoms?

A new study by an international team, including MIT and CNRS, observed that similarities exist between the behavior of birds in flight and physical systems. The research suggests that the transition from disorder to coordination is not as different between particles and biological elements as previously thought.

SourceSissa Medialab·JournalJournal of Statistical Mechanics Theory and Experiment·TypeComputational simulation/modeling·DateAug 8, 2024

Evaluating the impact of database choice and confidence score on metagenomic taxonomic classification using Kraken2

The study evaluated the impact of database choice and confidence score on Kraken2's classification performance. Higher confidence scores generally decreased classification rates in smaller databases, while larger databases maintained higher rates and showed improved precision and F1 scores with increasing confidence.

Battling bugs with big data: sweetpotato's genomic-metagenomic pest shield

Researchers developed a genomic-metagenomic approach to predict pest resistance in sweetpotatoes, identifying key genes involved in defense mechanisms. The study found correlations between insect pests and microbial communities within the plant's metagenome, revealing new strategies for breeding resistant varieties.