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Science News Archive 2025 - Page 384


Page 384 of 574

USTC achieves electrical manipulation of spin filling sequence in bilayer graphene based quantum dots

Researchers at USTC achieve electrical control over spin filling sequence in bilayer graphene quantum dot, leveraging trigonal warping effect and minivalley interactions. This finding holds promise for generating 3-spin states and simulating SU(3) symmetry, with implications for quantum computing and advanced electronics.

SourceUniversity of Science and Technology of China·JournalPhysical Review Letters·DateFeb 13, 2025

Elephant seals in the Pacific serve as deep-ocean sentinels, revealing patterns otherwise hard to measure

Researchers found northern elephant seals serve as sentinels for northeast Pacific Ocean twilight zone ecosystem health, providing insights into prey dynamics and food webs. The study reveals rapid fluctuations in fish populations every three to five years, patterns impossible to measure through direct observation.

Jacket uses AI to keep you comfortable

A team of researchers developed a smart jacket with environmental sensors, heat-generating yarns, and AI to monitor and regulate temperature. The jacket provides immediate temperature readings and color-changing yarns to indicate potential overheating.

SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateFeb 13, 2025

Carbon emission drivers in the Belt and Road Initiative countries—An empirical analysis based on countries with different income levels

A study analyzes the carbon emission drivers in Belt and Road Initiative countries, finding that economic development and population growth are major contributors. The research also highlights the importance of reducing energy intensity and carbon intensity in middle and high-income countries.

SourceTsinghua University Press·JournalEnergy and Climate Management·DateFeb 13, 2025

Researchers create world’s largest digital microbe collection to transform health research

The team created APOLLO, a collection of 247,092 advanced computer models, each representing the unique metabolic processes of a distinct microbe found within these communities. The unprecedented database will allow scientists to study how microbes function within the human body and interact with health and disease.

SourceUniversity of Galway·JournalCell Systems·TypeComputational simulation/modeling·DateFeb 13, 2025

Disordered eating and certain foods linked to higher risk for urinary incontinence in middle-aged women

A recent study found that disordered eating is associated with a higher risk of symptoms of pelvic floor disorders in middle-aged women. The research revealed that consuming highly processed ready-made foods and fast food increases the risk for stress urinary incontinence, while a higher quality diet decreases the risk.

Protected habitats aren’t enough to save endangered species

A recent study published in PLOS Biology found that even within protected habitats, tropical species are still vulnerable to threats from beyond their borders. Human population density and habitat disturbance in surrounding areas can lead to a decline in species richness by up to 1% per 16 persons per square kilometer.

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateFeb 13, 2025

The complicated question of how we determine who has an accent

A recent study published in the Journal of Sociolinguistics suggests that people's judgments of accent are often culturally influenced rather than based on actual auditory differences. Participants rated speakers from different regions of Ohio, but surprisingly, those who believed certain regions had stronger accents did not necessaril...

SourceOhio State University·JournalJournal of Sociolinguistics·TypeExperimental study·DateFeb 13, 2025

Child with rare epileptic disorder receives long-awaited diagnosis

Researchers at Baylor College of Medicine have identified a rare genetic diagnosis in a child with Lennox-Gastaut syndrome, a severe form of epilepsy and developmental delay. The study reports a highly complex rearrangement of chromosomes 3 and 5, leading to a rare condition known as 5q14.3 microdeletion syndrome.

SourceBaylor College of Medicine·JournalAmerican Journal of Medical Genetics Part A·TypeCase study·DateFeb 13, 2025

Safeguarding intestinal stem cells during aging through balanced signaling

The study reveals that the interplay between ERK/MAPK and IFN-gamma signaling is essential for preserving intestinal stem cells during aging. The researchers found that maintaining a balance between these signaling pathways is critical for supporting stem cell maintenance, while also driving age-related changes in differentiated cells.

New study of effect of CCTV cameras on crime in Newark, NJ, highlights value of longer-term evaluations

A new study by Northeastern University's Crime Prevention Lab found that CCTV cameras in Newark, NJ, were associated with reduced auto thefts three to four years after installation. The study highlights the importance of longer-term evaluations to understand the persistence and potential increase of crime prevention effects.

SourceAmerican Society of Criminology·JournalCriminology & Public Policy·DateFeb 13, 2025

U.S. abortion bans and infant mortality

A study found that US states adopting abortion bans experienced significant increases in infant mortality, especially for deaths caused by congenital conditions. These increased mortality rates were disproportionately high among already vulnerable populations, such as Black infants and residents of Southern states.

SourceJAMA Network·JournalJAMA·DateFeb 13, 2025

Research shows blood test may provide personalized dietary therapy for patients with irritable bowel syndrome

A blood test has been found to identify personalized dietary triggers for patients with irritable bowel syndrome, resulting in improved abdominal pain relief. The study showed that 59.6% of participants who removed trigger foods experienced significant reduction in abdominal pain compared to 42.2% in the control group.

SourceMichigan Medicine - University of Michigan·JournalGastroenterology·TypeRandomized controlled/clinical trial·DateFeb 13, 2025

New England’s salt marshes store 10 million cars’ worth of carbon—and add another 15,000-worth every year

Scientists at UMass Amherst accurately quantify coastal carbon storage using satellites, revealing 10 million cars' worth of carbon stored in top meter of soil and an additional 15,000-worth each year. The results are crucial for a resilient, low-carbon future, highlighting the potential for salt marshes to mitigate climate change.

SourceUniversity of Massachusetts Amherst·JournalJournal of Geophysical Research Biogeosciences·DateFeb 13, 2025

Stalled microbiomes: Dartmouth-led study reveals that cystic fibrosis disrupts early gut development in infants

A Dartmouth-led study reveals that cystic fibrosis disrupts the maturation of the gut microbiome in infants, leading to a depletion of health-associated bacteria and potentially poor health outcomes. The study found that the microbiomes of infants with CF remained stunted or delayed in their development compared to healthy infants.

U.S. abortion bans and fertility

A new study suggests that US abortion bans are associated with increased fertility rates, particularly among subpopulations experiencing structural disadvantages. The findings also highlight the negative impact of these policies on maternal and child health outcomes.

SourceJAMA Network·JournalJAMA·DateFeb 13, 2025

An enzyme to disarm tumors

Researchers have discovered an enzyme called CH25H in cancerous lymphatic cells whose properties enable the immune system to fight tumors more effectively. The enzyme converts cholesterol into 25-hydroxycholesterol, a metabolite that promotes antiviral immunity and enhances anti-tumor immunity.

SourceUniversité de Genève·JournalNature Communications·DateFeb 13, 2025

School salad bars raise fruit intake among kids and benefit economically diverse schools, VCU researchers find

According to a new study by Virginia Commonwealth University researchers, school salad bars increased elementary school students' fruit intake but had no impact on vegetable consumption. Students in 'salad bar' schools selected a greater variety of fruits and vegetables, potentially leading to a greater range of nutrient intake.

SourceVirginia Commonwealth University·JournalInternational Journal of Behavioral Nutrition and Physical Activity·DateFeb 13, 2025

The KM3NeT detector, a powerful telescope submerged in the depths of the Mediterranean Sea, detects the highest-energy neutrino ever observed

The KM3NeT collaboration has detected the highest-energy neutrino ever captured by a similar experiment, with an estimated energy of 220 PeV. This finding provides evidence that high-energy neutrinos are produced in the universe and opens new avenues for observing extreme astrophysical phenomena.

SourceUniversity of Granada·JournalNature·TypeExperimental study·DateFeb 13, 2025

New genetic mutation linked to Alzheimer’s risk

Researchers at the University of Florida have discovered a novel genetic mutation associated with an accumulation of toxic proteins in Alzheimer's brains. The study found that people carrying a specific variation of this repeated DNA strand have more than double the risk of developing late-onset Alzheimer's.

SourceUniversity of Florida·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateFeb 13, 2025

Branching channel:

Researchers found that neural activity in the prefrontal cortex maintained a stable state, which was then integrated with information from a sensory cue. This study introduces the concept of 'branching channels' in neural networks, which can be concatenated to form tree-structured representations.

SourceInternational Research Center for Neurointelligence (WPI-IRCN), The University of Tokyo·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateFeb 13, 2025

USTC develops high-performance rechargeable lithium-hydrogen gas batteries

A research team at USTC has introduced a new chemical battery system utilizing hydrogen gas as the anode, achieving exceptional electrochemical performance and a round-trip efficiency of 99.7%. The Li-H battery demonstrated high theoretical energy density and stable voltage, making it a strong candidate for next-generation power storage.

SourceUniversity of Science and Technology of China·JournalAngewandte Chemie International Edition·DateFeb 13, 2025