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Science News Archive 2024 - Page 187


Page 187 of 484

PolyU researchers invent intelligent soft robotic clothing for automatic thermal adaptation in extreme heat

Researchers at PolyU have developed a new type of thermally-insulated and breathable soft robotic clothing that can automatically adapt to changing ambient temperatures. This innovative clothing uses soft actuators to trap a layer of air and increase thermal resistance, reducing heat stress and discomfort in high-temperature environments.

SourceThe Hong Kong Polytechnic University·JournalAdvanced Science·TypeExperimental study·DateAug 15, 2024

Enhancing electron transfer for highly efficient upconversion OLEDs

A team of researchers from Tokyo Institute of Technology elucidated the mechanisms of electron transfer in upconversion organic light-emitting diodes, resulting in improved efficiency. They discovered a novel donor-acceptor combination that led to the fabrication of an efficient blue UC-OLED with an extremely low turn-on voltage.

SourceTokyo Institute of Technology·JournalAngewandte Chemie International Edition·TypeExperimental study·DateAug 15, 2024

Solutions to Nigeria’s newborn mortality rate might lie in existing innovations, finds review

A recent review by Imperial College London suggests that Nigeria's high infant mortality rate could be addressed through the adoption of existing scientific breakthroughs and technological advancements. The review highlights several low-cost advances in neonatal care developed by Nigerian clinicians and researchers, including adaptive ...

SourceImperial College London·JournalFrontiers in Pediatrics·DateAug 15, 2024

Neoadjuvant immunotherapy may facilitate surgery and improve outcomes for patients with high-risk liver cancer

Patients with high-risk liver cancer who received neoadjuvant immunotherapy before surgery had comparable outcomes to those who received surgery upfront. Successful resection rates were higher among those treated with immunotherapy, leading to improved median recurrence-free survival.

SourceAmerican Association for Cancer Research·JournalCancer Research Communications·DateAug 15, 2024

Detecting machine-generated text: An arms race with the advancements of large language models

Researchers created a data set of over 10 million documents to test detection ability in current and future detectors. They found that most detectors only work well in specific use cases and can be easily evaded by manipulating the text. The new tool, RAID, aims to provide a standardized benchmark for robust detection.

New microscope offers faster, high-resolution brain imaging

Researchers developed a new two-photon fluorescence microscope that captures high-speed images of neural activity at cellular resolution, providing insights into brain function and neurological diseases. The microscope uses an adaptive sampling scheme to image neurons in real time, reducing damage to brain tissue.

SourceOptica·JournalOptica·DateAug 15, 2024

New brain-computer interface allows man with ALS to ‘speak’ again

Researchers developed a new brain-computer interface that translates brain signals into speech with up to 97% accuracy, enabling a man with amyotrophic lateral sclerosis (ALS) to communicate with friends and family. The system was tested in real-time conversations with continuous updates, achieving high word accuracy rates.

SourceUniversity of California - Davis Health·JournalNew England Journal of Medicine·DateAug 14, 2024

Impact of 700 years of Inuvialuit subsistence hunting on beluga whales

A team analyzed 45 zooarchaeological remains and compared findings with contemporary data to assess the effect of sustained subsistence harvests on beluga genetic diversity, population structuring, and foraging ecology. The study found no significant changes in genetic diversity or population structuring over time.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalProceedings of the National Academy of Sciences·DateAug 14, 2024

New mechanism of action kills cancer cells

Researchers have discovered a cobalt complex that triggers ferroptosis in tumor cells, slowing down microtumor growth. The substance has shown promise as an alternative to conventional chemotherapeutic agents but requires further development and targeting of healthy cells.

SourceRuhr-University Bochum·JournalAngewandte Chemie International Edition·DateAug 14, 2024

The American Ornithological Society (AOS) announces its 2024 award winners for achievements in ornithological research, service, conservation, and publication

The American Ornithological Society has announced its 2024 award winners in recognition of outstanding contributions to the scientific study and conservation of birds. Juan Carlos Reboreda and René Duckworth were awarded for their significant work on behavioral ecology, conservation, and evolutionary changes in bird behavior.

Researchers unveil mysteries of ancient Earth

A Rice-led team studied massif-type anorthosites to understand their formation, revealing they likely originated from melting of subducted oceanic crust beneath convergent continental margins. The research provides new insights into Earth's thermal and tectonic evolution and chronicles the physical evolution of our planet.

SourceRice University·JournalScience Advances·DateAug 14, 2024

New insights into neural circuit imaging: A comparison of one-photon and two-photon techniques

A recent study by Harvard University researchers compares the effectiveness of one-photon (1P) versus two-photon (2P) voltage imaging in neural circuits. The study found that 2P excitation requires approximately 10,000 times more illumination power per cell compared to 1P excitation, posing significant challenges for 2P voltage imaging.

Children’s Hospital of Philadelphia researchers find possible inaccuracies in crash-reported child passenger injuries

A study by Children's Hospital of Philadelphia researchers found discrepancies between crash reports and hospital data, suggesting incomplete or inaccurate pictures of child passenger safety. The findings emphasize the importance of enhancing injury data quality to assess transportation safety strategies.

SourceChildren's Hospital of Philadelphia·JournalAmerican Journal of Preventive Medicine·TypeSystematic review·DateAug 14, 2024

People with COPD, asthma have higher risk of health problems from increased wildfire activity, smoke

A new perspective article highlights the impact of wildfires on individuals with COPD and asthma. The five-part Population Health Approach, developed by the University of California, Davis Health, identifies high-risk patients and provides interventions to mitigate poor air quality's negative effects.

SourceCOPD Foundation·JournalChronic Obstructive Pulmonary Diseases Journal of the COPD Foundation·DateAug 14, 2024

How bread dough gave rise to civilization

A study by the Open Wild Wheat Consortium explains how Aegilops tauschii, a wild grass, contributed to the genetic diversity of bread wheat, enabling its rapid spread across different climates. This hybridization event allowed humans to settle down and form societies.

SourceJohn Innes Centre·JournalNature·DateAug 14, 2024

New study reveals loophole in digital wallet security—even if rightful cardholder doesn’t use a digital wallet

Researchers at UMass Amherst discovered a vulnerability in digital wallet security that can be exploited by malicious actors even if the rightful cardholder doesn't use a digital wallet. The study found that banks prioritize convenience over security, leaving users' credit cards susceptible to unauthorized transactions.

SourceUniversity of Massachusetts Amherst·TypeComputational simulation/modeling·DateAug 14, 2024

Lewis-base ligand optimized electrolyte composition, reconstructing interface hydrogen-bond network, enhancing CO2 electrolysis performance

The study proposes regulating the electrode-electrolyte interface using Lewis-base ligand molecules to enhance CO2 electrolysis. The addition of ethylenediaminetetraacetic acid molecules and similar ligands reconstructs the cation solvation shell and reshapes the interface hydrogen-bond network, boosting performance.

SourceScience China Press·JournalNational Science Review·DateAug 14, 2024

Climate reporting standards insufficient, must be expanded, say Oxford net zero experts

A new study by the University of Oxford recommends expanding climate reporting standards to capture companies' wider impact on global net zero. This includes their product power, purchasing power, and political influence. The goal is to incentivize systemic change through products, purchases, and policy lobbying.

SourceTaylor & Francis Group·JournalCarbon Management·TypeCommentary/editorial·DateAug 14, 2024

Giant fossil seeds from Borneo record ancient plant migration

Researchers discovered large fossil beans in Indonesian Borneo, indicating the ancestors of black bean trees migrated from Asia to Australia during tectonic plate collision. The findings provide first macrofossil evidence of a plant lineage moving from Asia into Australia.

SourcePenn State·JournalInternational Journal of Plant Sciences·TypeObservational study·DateAug 14, 2024

Large study confirms significant frequency of undetected responsiveness in severe brain injury

A recent study published in the New England Journal of Medicine found that one-fourth of patients in a coma or vegetative state showed clear signs of cognitive function on brain scans despite being unable to move or speak. This significant frequency of undetected responsiveness suggests that many seemingly unconscious patients may be a...

SourceWeill Cornell Medicine·JournalNew England Journal of Medicine·DateAug 14, 2024