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Science News Archive December 2024 - Page 18


Page 18 of 39

Sleepers made from recycled plastic could make railways even more eco-friendly

A new study by Finnish researchers found that recycled plastic railway sleepers can significantly reduce carbon emissions, with potential savings of up to 3,610 tCO2e per year. The production process for these plastics requires less energy and generates fewer emissions than traditional materials like steel and concrete.

SourceFrontiers·JournalFrontiers in Sustainability·TypeExperimental study·DateDec 12, 2024

Genomic analysis refines timing of Neandertal admixture – and its impact on modern humans

A genomic study spanning over 300 genomes reveals that modern humans acquired several Neanderthal genes advantageous for our lineage, including those in skin pigmentation, immune response, and metabolism. The study also found rapid natural selection of Neanderthal ancestry within 100 generations after gene flow.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateDec 12, 2024

Oldest modern human genomes sequenced

Researchers analyzed nuclear genomes of ancient European specimens to shed light on the genetics of early Europeans and their interactions with Neandertals. The study reveals a small, isolated group that interbred with Neandertals but left no present-day descendants.

SourceMax Planck Institute for Evolutionary Anthropology·JournalNature·DateDec 12, 2024
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Superflares once per century

A new study reveals that sun-like stars experience superflares approximately once per century, releasing massive amounts of energy in short periods. This finding suggests that the Sun's long-term behavior may be more frequent than previously thought, with implications for forecasting dangerous space weather.

SourceMax Planck Institute for Solar System Research·JournalScience·TypeObservational study·DateDec 12, 2024
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Common brain network links brain atrophy patterns seen in schizophrenia

A new study has identified a specific connectivity pattern of brain atrophy in schizophrenia, distinct from brain networks associated with other psychiatric disorders. The findings suggest that this network may be a core characteristic of schizophrenia and could inform treatment plans.

SourceBrigham and Women's Hospital·JournalNature Mental Health·TypeObservational study·DateDec 12, 2024

UVA model advances rational design of more effective maternal vaccines for newborns

Researchers created an advanced computational model to optimize maternal vaccine design and protect high-risk populations. The model helps reveal which antibodies can pass through effectively and when, enabling the development of safer, more effective vaccines.

SourceUniversity of Virginia School of Engineering and Applied Science·JournalNature Immunology·TypeComputational simulation/modeling·DateDec 12, 2024
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Why deep sleep is helpful for memory

The study found that slow electrical waves during deep sleep strengthen synaptic connections and make the neocortex more receptive to information. This enhances memory formation by creating a state of elevated readiness in the cortex.

SourceCharité - Universitätsmedizin Berlin·JournalNature Communications·DateDec 12, 2024

COMET trial finds quality of life similar among patients with low- risk DCIS whether they received active monitoring or surgery

Patients with low-risk ductal carcinoma in situ (DCIS) who underwent active monitoring reported comparable physical, emotional, and psychological outcomes to those who received upfront treatment. The study found no significant differences in health-related quality of life between the two groups over time.

SourceAmerican Association for Cancer Research·JournalJAMA Oncology·DateDec 12, 2024
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Study sheds light on the origin of the genetic code

A recent study revises our understanding of the universal genetic code's evolution, suggesting that early life preferred smaller amino acids over larger ones. The researchers found that amino acids with aromatic ring structures were incorporated into the code later than previously thought, offering clues about other extinct genetic codes.

SourceUniversity of Arizona·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateDec 12, 2024

Spirals and waves

Researchers Navdeep Rana and Ramin Golestanian investigated non-reciprocal interaction and defect formation in active systems, finding well-ordered wave patterns emerge when non-reciprocity exceeds a certain level. This property opens avenues for applications of non-reciprocal active matter systems.

SourceMax Planck Institute for Dynamics and Self-Organization·JournalNew Journal of Physics·TypeComputational simulation/modeling·DateDec 12, 2024

Heatwave led to catastrophic and persistent loss of Alaska’s dominant seabird

A recent study revealed that a 2014-2016 Pacific marine heatwave wiped out over half of Alaska's common murre seabirds, marking the largest documented vertebrate die-off linked to warming oceans. The loss of 4 million birds is attributed to intense climate impacts, with no evidence of population recovery since.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateDec 12, 2024

Deep learning model accurately diagnoses COPD

A deep learning model developed by researchers at San Diego State University can accurately diagnose chronic obstructive pulmonary disease (COPD) using a single inhalation lung CT scan. The study found that the model performed similarly to traditional two-phase CT measurements, with added clinical data improving accuracy.

SourceRadiological Society of North America·JournalRadiology Cardiothoracic Imaging·DateDec 12, 2024
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

More dense, populated neighborhoods inspire people to walk more

A national study found that walkable neighborhoods increase walking by 23% due to factors like density of people, roads, and amenities. Living in a walkable area also reduces the chance of no transit use, while vigorous exercise is not necessarily linked to neighborhood walkability.

SourceWashington State University·JournalAmerican Journal of Epidemiology·DateDec 12, 2024
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

What brings richness to sparkling wines?

Researchers have discovered 11 probable kokumi compounds in sparkling wines, which may contribute to their rich, full-bodied taste. The study identified these compounds through a combination of computer simulations and wine tastings, paving the way for further investigation into the molecular basis of kokumi sensation in wines.

SourceAmerican Chemical Society·JournalJournal of Agricultural and Food Chemistry·DateDec 12, 2024

Study reveals short term safety of active monitoring for DCIS

The study found that women who underwent active monitoring had a lower rate of invasive cancer (4.2%) compared to those who received surgery and radiation (5.9%). The researchers suggest that active monitoring may be a safe alternative for treating low-risk DCIS, especially when combined with hormone-blocking treatment.

SourceDuke University Medical Center·JournalJAMA·DateDec 12, 2024

TV100: a TV series dataset that pre-trained clip has not seen

A new dataset called TV100 reveals that pre-trained CLIP models cannot recognize classes of images released after 2021. However, fine-tuning the model improves its performance significantly, indicating that the dataset is learnable and separable.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateDec 12, 2024

New data storage method proposed: hybrid-layer optical data storage

Researchers have introduced a novel concept called hybrid-layer optical data storage (ODS) that uses high-orthogonality random meta-channels to encode data into both physical and virtual layers. This approach has shown promising results, achieving a storage density of 2.5 Tbit cm⁻³.

SourceHigher Education Press·JournalEngineering·DateDec 12, 2024
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

El Niño exacerbates effects of drought on Amazon groundwater and increases fire risk, study finds

Researchers found a link between El Niño events and increased fire risk in the Amazon region, particularly where groundwater storage is compromised. The study highlights the critical role of groundwater in sustaining vegetation during droughts, emphasizing the need for prevention efforts during extreme climatic conditions.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalScience of The Total Environment·DateDec 12, 2024

Graz language database improves automatic speech recognition of Austrian German

Researchers at Graz University of Technology developed a new database to improve speech recognition of Austrian German using speech data from 38 speakers. They found that traditional HMM-based systems are more robust for short sentences and dialectal language, while transformer-based models excel with longer sentences and context.

SourceGraz University of Technology·JournalComputer Speech & Language·DateDec 12, 2024

“Us” vs. “them” biases plague AI, too

A new study finds that large language models are prone to social identity biases, favoring their perceived ingroup while expressing negativity toward outgroups. However, the researchers discovered that carefully selecting the training data can reduce these biases, suggesting promising directions for improving AI development and training.

SourceNew York University·JournalNature Computational Science·TypeComputational simulation/modeling·DateDec 12, 2024
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Agricultural workers reduce hours or move locations to avoid wildfire smoke

Researchers tracked farmworker movement and behavior in response to wildfire smoke using cell phone data from over 12,000 workers. The study found that workers reduced their hours worked by 37% on smoky days and switched fields to avoid worst conditions.

SourceUniversity of California - Davis·JournalJournal of the Association of Environmental and Resource Economists·TypeExperimental study·DateDec 12, 2024

Paracetamol may not be as safe as perceived in older people, according to a new study

A new study by the University of Nottingham found repeated paracetamol doses in older adults (65+) can lead to increased risks of peptic ulcers, heart failure, hypertension, and chronic kidney disease. The study suggests paracetamol use should be carefully reconsidered for long-term conditions such as osteoarthritis.

SourceUniversity of Nottingham·JournalArthritis Care & Research·TypeData/statistical analysis·DateDec 12, 2024

Screen time is a poor predictor of suicide risk, Rutgers researchers find

Research from Rutgers University-New Brunswick found that screen time has no effect on suicidal thoughts, but rather the content teens engage with and experiences they have. Positive social media interactions can protect against suicidal ideation, while negative ones increase risk.

SourceRutgers University·JournalJournal of Child Psychology and Psychiatry·DateDec 12, 2024
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Caregiving stress linked to high blood pressure in younger Black women

A new study finds that caregiving stress in younger Black women is associated with an increased risk of developing hypertension. The research team followed the health of more than 3,500 Black adults and found that those reporting moderate or high caregiving stress were more likely to develop hypertension.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalHypertension·TypeData/statistical analysis·DateDec 12, 2024

Revolutionary compression-cast concrete: a greener, stronger future

The new compression-casting technology improves concrete properties without chemical additives, promoting sustainable construction and reducing CO2 emissions. The study reveals superior mechanical properties, durability, and resistance to environmental factors, making it a game-changer for the construction industry.

SourceHigher Education Press·JournalEngineering·DateDec 12, 2024
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Planets form through domino effect

A recent study using radio astronomy observations has revealed that planets help form the next by concentrating dust grains into a narrow region at their orbits. This sequential formation process can explain how our Solar System formed, with each planet triggering the next like a line of falling dominos.

SourceNational Institutes of Natural Sciences·JournalThe Astrophysical Journal Letters·TypeObservational study·DateDec 12, 2024

UH researchers characterize keys to successful pregnancy in humpback whales

Humpback whales' reproductive success is linked to maternal characteristics and energy balance. Researchers found fetal growth rates increased with maternal length and energy demands peaked in the final third of pregnancy, coinciding with fasting and migration. This study highlights a vulnerable period for pregnant humpback whales and ...

SourceUniversity of Hawaii at Manoa·JournalThe Journal of Physiology·TypeObservational study·DateDec 12, 2024

NASA study: crops, forests responding to changing rainfall patterns

A new NASA-led study found that plants' responses to changing rainfall patterns are crucial for understanding their role in the carbon cycle. Daily rainfall variability drove growth globally, with certain ecosystems thriving under conditions of infrequent but intense rain.

SourceNASA/Goddard Space Flight Center·JournalNature·DateDec 12, 2024

Reiki therapy demonstrates significant symptom relief for cancer patients receiving infusion treatments

A study published in Journal of Pain and Symptom Management found that Reiki therapy resulted in clinically significant improvements in pain, fatigue, anxiety, nausea, and well-being among outpatients with cancer. The study involved 392 Reiki sessions for 268 unique patients, showing a mean improvement of 1.78 in pain and 2.09 in anxiety.

SourceUniversity Hospitals Cleveland Medical Center·JournalJournal of Pain and Symptom Management·DateDec 12, 2024
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Pfizer-BioNTech vaccine for COVID-19 among children ages 5-17

The Pfizer-BioNTech XBB vaccine provided protection against severe COVID-19 cases and hospitalizations among children aged 5-17 during the 2023-2024 season. The vaccine showed an estimated vaccine effectiveness of 63-73% in preventing severe illness.

SourceJAMA Network·JournalJAMA Network Open·DateDec 12, 2024

Unlocking the ‘black box’: scientists reveal AI’s hidden thoughts

Researchers developed a new method, k* distribution method, to visualize and assess how well deep neural networks categorize related items together. The model reveals clustered, fractured or overlapping arrangements of data points, indicating accuracy and reliability issues.

SourceKyushu University·JournalIEEE Transactions on Neural Networks and Learning Systems·TypeData/statistical analysis·DateDec 12, 2024

Breakthrough brings body-heat powered wearable devices closer to reality

A QUT-led research team developed an ultra-thin, flexible film that converts body heat into power, enabling sustainable energy for wearable electronics. The technology also offers efficient cooling methods for chips, potentially improving smartphone and computer performance.

SourceQueensland University of Technology·JournalScience·TypeExperimental study·DateDec 12, 2024

Towards room-temperature superconductivity: Insights into optical properties of bi-based copper-oxide superconductors

A Japanese research team investigates the origin of Bi2212's strong optical anisotropy, finding that increasing lead content reduces incommensurate modulation, enabling accurate measurement of optical activity and circular dichroism. This study contributes to understanding high-temperature superconductivity mechanisms.

SourceWaseda University·JournalScientific Reports·TypeExperimental study·DateDec 12, 2024

Unlocking the clock: The role of the circadian system in inflammatory bowel diseases

Research highlights the critical link between the body's circadian clock and inflammatory bowel diseases (IBDs) such as Crohn's disease and ulcerative colitis. Disruptions in circadian rhythms exacerbate inflammation, suggesting that aligning treatment strategies with natural biological cycles could improve patient outcomes.

SourceThe Hebrew University of Jerusalem·JournalTrends in Molecular Medicine·TypeLiterature review·DateDec 12, 2024
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

How cells repair DNA’s protective barrier: a pathway to address a rare genetic disorder characterized by rapid aging in children

A team of researchers has discovered how lamin A helps repair the protective barrier around a cell's DNA, providing insights into treating Hutchinson-Gilford Progeria Syndrome. The study highlights lamin A's unique role in nuclear stability and its potential for addressing genetic disorders characterized by rapid aging.

SourceNano Life Science Institute (NanoLSI), Kanazawa University·JournalPNAS Nexus·DateDec 12, 2024

Metal scrap upcycled into high-value alloys with solid phase manufacturing

Researchers at PNNL have developed a solid phase alloying process that converts metal scrap into high-performance aluminum products in a single step. The process, called ShAPE, produces high-strength alloys with unique nanostructures and improved properties compared to conventional recycled aluminum.

SourceDOE/Pacific Northwest National Laboratory·JournalNature Communications·TypeExperimental study·DateDec 12, 2024

New timeline for Neandertal gene flow event

Researchers have unraveled the precise timing and functional legacy of Neandertal gene flow into early modern humans. The study suggests that most non-African individuals harbor one to two percent Neandertal ancestry, with the majority tracing back to a single shared period between 50,000 and 57,000 years ago.

SourceMax Planck Institute for Evolutionary Anthropology·JournalScience·DateDec 12, 2024
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Researchers demonstrate new technique for stealing AI models

A team of researchers has developed a novel technique to steal artificial intelligence (AI) models by monitoring electromagnetic signals. The method allows attackers to recreate the high-level features of an AI model with 99.91% accuracy, potentially undermining intellectual property rights and exposing sensitive data.

SourceNorth Carolina State University·JournalIACR Transactions on Cryptographic Hardware and Embedded Systems·TypeExperimental study·DateDec 12, 2024