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Science News Archive December 2024 - Page 37


Page 37 of 39

Parasite-inspired medical devices

Researchers designed a millimeter-scale mechanism inspired by tapeworms to anchor small medical devices to soft tissues. The device, made of stainless steel and polyimide film, can be used in various medical applications and has potential for affixing sensors to marine organisms.

SourcePNAS Nexus·JournalPNAS Nexus·DateDec 3, 2024

Cooperative motion by atoms protects glass from fracturing

A new discovery by researchers at Tohoku University reveals that the movement of atoms and molecules within glass can relax internal stress, making the material more resistant to fractures. The breakthrough has wide-ranging implications for industries such as consumer electronics, construction, and automotive manufacturing.

SourceTohoku University·JournalActa Materialia·DateDec 2, 2024

Monell Chemical Senses Center and A*STAR Singapore Institute of Food and Biotechnology Innovation sign agreement to collaborate in sensory science research and education

The collaboration aims to explore unique sensory differences between Asian and Western populations, informing consumer preferences and product development. The partnership will develop sensory testing protocols specific to Asians, incorporating traditional Eastern culinary practices with advanced methodologies.

Animal products improve child nutrition in Africa

A recent study by the University of Bonn and CABI Centre in Kenya found that milk, eggs, and fish consumption has a positive effect on childhood development in Africa. The study covered over 32,000 child observations across five African countries and showed that animal products significantly reduce the risk of stunting.

SourceUniversity of Bonn·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateDec 2, 2024

Development of an RNA virus vector for non-transgenic genome editing in tobacco and generation of Berberine Bridge Enzyme-Like mutants with reduced nicotine content

Researchers developed a non-transgenic genome editing approach in tobacco using an RNA virus vector, resulting in heritable edits and mutant lines with reduced nicotine content. The approach allowed for the simultaneous targeting of multiple genes involved in pyridine alkaloid biosynthesis.

Deciphering city skies: AI unveils GNSS error identification

Researchers introduced an innovative AI-powered solution to identify and differentiate Non-Line-of-Sight errors in urban Global Navigation Satellite Systems. The Light Gradient Boosting Machine (LightGBM) model achieved impressive 92% accuracy, significantly improving positioning accuracy in densely populated cities.

Feeding grazing cattle seaweed cuts methane emissions by almost 40%

Researchers at the University of California, Davis found that feeding grazing beef cattle a seaweed supplement reduced their methane emissions by nearly 40% without affecting health or weight. The study provides a promising approach to make cattle farming more sustainable and play a role in fighting climate change.

SourceUniversity of California - Davis·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 2, 2024

Study finds adolescent suicidal behavior is significantly associated with externalizing behaviors and violence exposure

A new study by Columbia University's Mailman School of Public Health found a significant association between adolescent suicidal behavior and externalizing behaviors, as well as violence exposure. The study assessed the impact of state-level access to firearms on suicide rates among U.S. high school students.

SourceColumbia University's Mailman School of Public Health·JournalAmerican Journal of Preventive Medicine·DateDec 2, 2024

Using race and ethnicity to estimate disease risk improves prediction accuracy but may yield limited clinical net benefit

A cross-sectional study found that including race in disease risk models improves prediction accuracy, but the clinical net benefit is smaller than expected. The researchers provide a widely adaptable framework for deciding whether to include or exclude race from disease risk predictions.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·TypeNews article·DateDec 2, 2024

Covid-19 reduced sex offender behaviour – new study

A new study by the University of Birmingham found that Covid-19 public health measures led to a significant decrease in stranger sex offenses, particularly those involving night-time economy and outdoor settings. The research also showed a reduction in offences taking place at home and internet-facilitated crimes during lockdowns.

SourceUniversity of Birmingham·JournalPsychology of Violence·DateDec 2, 2024

Discovery of daphnane diterpenoids in daphne pontica

Researchers identified 33 daphnane diterpenoids in Daphne pontica, including newly discovered compounds, using UHPLC-Q-Exactive-Orbitrap MS. These compounds exhibit potent biological activities, suggesting the plant as a potential novel resource for drug discovery.

SourceToho University·JournalPhytochemical Analysis·TypeExperimental study·DateDec 2, 2024

Landmark World Drought Atlas reveals systemic nature of hazard risks, underlines need for national plans, international cooperation

The World Drought Atlas depicts the systemic nature of drought risks, highlighting their interconnectedness across sectors. It underscores the need for national plans and international cooperation to build resilience against harsher droughts, which are expected to affect 3 in 4 people globally by 2050.

Ketone bodies: more than energy, they are powerful signaling metabolites that clean up damaged proteins

Researchers at the Buck Institute found that ketone bodies interact directly with misfolded proteins, altering their solubility and structure to be cleared through autophagy. This discovery suggests a new form of metabolic regulation of protein quality control in the brain, with potential therapeutic applications.

SourceBuck Institute for Research on Aging·JournalCell Chemical Biology·TypeExperimental study·DateDec 2, 2024

Insect fossil find ‘extremely rare’

A new study reveals rare whitefly insect fossils found in Miocene age crater lake sediments at Hindon Maar, near Dunedin. The fossils, preserved in the position they lived and died, provide evidence of the ecological component of ancient forests on the South Island.

SourceUniversity of Otago·JournalPalaeobiodiversity and Palaeoenvironments·TypeObservational study·DateDec 2, 2024

A breakthrough in battery capacity degradation analysis and knee point prediction

Researchers developed a novel method to analyze capacity degradation characteristics and predict the knee point of lithium-ion batteries, enabling effective predictive maintenance and enhancing safety. The study uses neural networks to analyze battery life, which is affected by multiple coupling aging mechanisms.

SourceBeijing Institute of Technology Press Co., Ltd·JournalGreen Energy and Intelligent Transportation·TypeExperimental study·DateDec 2, 2024

European Society of Endocrinology publishes updated ‘ESE Curriculum and Training Recommendation in Endocrinology’

The European Society of Endocrinology (ESE) has published an updated curriculum for endocrinology training, aiming to harmonize training standards across Europe. The new curriculum emphasizes lifelong learning and professional skills, such as communication and leadership, to foster greater collaboration and knowledge exchange.

SourceEuropean Society of Endocrinology·TypeSystematic review·DateDec 2, 2024

Dynamics of structural transformation for liquid crystalline blue phases

Researchers have uncovered key insights about how liquid crystals transform between different phases using direct simulation and machine learning. This study provides a clearer understanding of the microscopic-level changes in these materials, which could lead to new possibilities for advanced materials development.

SourceKyushu University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 2, 2024

Revisiting vitamin D guidelines

The Endocrine Society's 2024 guidelines for Vitamin D testing and supplementation have been criticized for being too restrictive, with limited benefits for healthy individuals. The new guidelines recommend limiting supplementation to specific risk groups and advise against routine 25-hydroxyvitamin D testing in healthy individuals.

SourceBoston University School of Medicine·JournalEndocrine Practice·TypeLiterature review·DateDec 2, 2024

New study unveils the human and scientific dimensions of IPCC sea level rise projections

Researchers from Indiana University and Princeton University provide an unprecedented look at the collaborative process that determines IPCC's sea level rise projections. The study highlights challenges in reconciling conflicting methodologies while maintaining scientific integrity.

SourcePrinceton School of Public and International Affairs·JournalGlobal Environmental Change·TypeObservational study·DateDec 2, 2024

Evidence of primordial black holes may be hiding in planets, or even everyday objects here on Earth

Researchers propose that small black holes born in the early universe could have left behind hollow planetoids and microscopic tunnels, potentially detectable with telescopes or by monitoring old materials. The study suggests a low probability of primordial black hole passage but emphasizes the potential for discovery.

SourceUniversity at Buffalo·JournalPhysics of the Dark Universe·TypeData/statistical analysis·DateDec 2, 2024