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Science News Archive 2023 - Page 42


Page 42 of 444

How AI could help optimize nutrient consistency in donated human breast milk

Researchers developed an AI model to optimize the macronutrient content of pooled human donor milk recipes, decreasing production time by 60%. The model improved protein and fat levels in milk bank products without compromising bacterial safety, benefiting preterm and sick babies.

SourceUniversity of Toronto Faculty of Applied Science & Engineering·JournalManufacturing & Service Operations Management·DateNov 21, 2023

Could eating turkey ease colitis?

Researchers found that supplementing tryptophan in mice diet increased inflammation-suppressing T-reg cells and reduced colitis symptoms. The findings suggest a potential non-invasive method for improving long-term colitis management.

SourceThomas Jefferson University·JournalNature Communications·TypeExperimental study·DateNov 21, 2023

High temperatures may have caused over 70,000 excess deaths in Europe in 2022

A new study developed a theoretical framework to re-evaluate the impact of record summer temperatures on European mortality. Using daily temperature and mortality records from 147 regions, researchers found that weekly, 2-weekly, and monthly models underestimated heat-related mortality, with errors increasing with aggregation period.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalThe Lancet Regional Health - Europe·TypeData/statistical analysis·DateNov 21, 2023

New design for rechargeable hydrogen−chlorine battery in wide temperature range

A team of researchers from the University of Science and Technology of China has designed a rechargeable hydrogen-chlorine battery that operates in a wide temperature range, from -70°C to 40°C. The battery boasts high Coulombic efficiency and stability, with improved reversibility thanks to a hierarchically porous carbon cathode.

SourceUniversity of Science and Technology of China·JournalJournal of the American Chemical Society·DateNov 21, 2023

Written in blood

Forensic scientists have discovered that the protrusions from bloodstains, known as 'tails', contain valuable information about a blood drop's origin. By analyzing these tails, analysts can reconstruct the impact angle and speed of the drop, helping to determine whether a victim was standing or sitting at the time of injury.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateNov 21, 2023

Chlorine disinfectant is no more effective than water at killing off hospital superbug

A new study by the University of Plymouth reveals that chlorine disinfectants used in hospitals are no more effective at killing off hospital superbugs than water. The research highlights the need for alternative strategies to tackle Clostridioides difficile, which causes diarrhoea, colitis and other bowel complications globally.

SourceUniversity of Plymouth·JournalMicrobiology·TypeExperimental study·DateNov 21, 2023

KERI's metamaterial, stretchable and efficient wearable thermoelectric energy harvester!

KERI's team created a stretchable thermoelectric generator using a partially air-filled gasket with metamaterial, achieving high efficiency and elasticity. The device can produce power density more than 20 times higher than existing flexible thermoelectric generators, making it suitable for IoT and AI-based wearable devices.

SourceNational Research Council of Science & Technology·JournalAdvanced Energy Materials·DateNov 21, 2023

Novel research unveils methodological approach to study why some individuals are prone to weight gain, while others are protected from weight gain

A new study using adult Finnish twins has identified protective and detrimental factors that precede weight gain, providing valuable insights into how people can maintain a healthy weight. The researchers found that individuals who deviated from their genetically-informed BMI had a higher risk of obesity.

SourceThe Obesity Society·JournalObesity·DateNov 21, 2023

Forest modeling shows which harvest rotations lead to maximum carbon sequestration

Oregon State University scientists used forest modeling to determine that a site's productivity is the main factor in maximizing above-ground carbon sequestration. The study found that 60-year rotations with low-intensity thinning are optimal for highly productive stands, while longer rotations of 80-120 years are better for less produ...

SourceOregon State University·JournalForests·TypeComputational simulation/modeling·DateNov 21, 2023

Long COVID happens in nursing homes, too

A new study reveals that COVID-19 can leave a lasting impact on older adults living in nursing homes, causing them to need more help with daily activities and experience a decline in brain function. The study found that those who tested positive for COVID had effects that lasted up to nine months.

SourceMichigan Medicine - University of Michigan·JournalJournal of the American Geriatrics Society·TypeData/statistical analysis·DateNov 21, 2023

Biomaterial developed at São Paulo State University proves capable of accelerating bone regeneration

Researchers at São Paulo State University developed a novel biomaterial that speeds up osteoblast differentiation, mimicking a low-oxygen environment. The cobalt-doped calcium phosphate material has the potential to be used in future bone regeneration procedures, reducing surgery risks and hospital stays.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalJournal of Biomedical Materials Research·DateNov 21, 2023

How gut microbes help alleviate constipation

Scientists have identified a key genetic factor, abfA cluster, responsible for improving gut motility and alleviating constipation. The study found that Bifidobacteria longum strains with the abfA cluster can enhance arabinan utilization, leading to improved gastrointestinal transit time.

SourceCell Press·JournalCell Host & Microbe·TypeExperimental study·DateNov 21, 2023

Crowdsourced fact-checking fights misinformation in Taiwan

A new study from Cornell University reveals that crowdsourced fact-checking platforms like Cofacts can effectively combat misinformation online. The research found that Cofacts users responded faster than journalists to queries, with their responses often being just as accurate, and clearer in presentation.

SourceCornell University·JournalJournal of Online Trust and Safety·DateNov 21, 2023

Immunotherapy drug is well tolerated in lung cancer patients with limited physical function, study suggests

A phase 2 trial found that durvalumab is safe and may benefit overall survival in non-small cell lung cancer patients with borderline performance status. The study also showed stable quality of life and a lower incidence of severe treatment-related adverse events compared to platinum doublet chemotherapy.

SourceUniversity of Pittsburgh·JournalEClinicalMedicine·TypeRandomized controlled/clinical trial·DateNov 21, 2023

E2E-BPF microscope: Extended depth-of-field microscopy using learning-based implementation of binary phase filter and image deconvolution

The E2E-BPF microscope overcomes traditional microscopes' limitations by extending depth-of-field using a learning-based binary phase filter and image deconvolution. This enables high-resolution imaging over larger spatial scales, reducing the need for refocusing.

Gender stereotypes embedded in natural language

Research by Clotilde Napp found that gender biases in language are stronger in more economically developed and individualistic countries. The study used natural language processing to analyze text corpora from over 70 countries, revealing a phenomenon known as the gender equality paradox.

SourcePNAS Nexus·JournalPNAS Nexus·DateNov 21, 2023

Bone growth drug may reduce sudden infant death syndrome in children with common form of dwarfism

A new study found that vosoritide treatment increases height, facial volume, and foramen magnum size in young children with achondroplasia, reducing sudden infant death syndrome, sleep apnea, and surgery needs. Vosoritide may improve quality of life and potentially save lives by addressing the root cause of the condition.

SourceMurdoch Childrens Research Institute·JournalThe Lancet Child & Adolescent Health·TypeRandomized controlled/clinical trial·DateNov 21, 2023

New target identified for pulmonary hypertension treatment

Researchers have identified a new therapeutic target for pulmonary hypertension treatment by discovering an epigenetic pathway mediated via the protein SPHK2 that can reduce and potentially reverse vascular remodeling. This discovery offers new hope for treating pulmonary hypertension, which is a complex and often fatal condition.

SourceIndiana University·JournalCirculation Research·DateNov 21, 2023

Getting to the root of visceral gut pain

Researchers at Michigan State University found that glial cells in the gut can sensitize nearby neurons, causing them to send pain signals more easily during inflammation. This discovery could help develop new therapies to alleviate visceral pain by counteracting the glia's sensitizing efforts.

SourceMichigan State University·JournalScience Signaling·DateNov 21, 2023

Chinese scientists produced a four-decade (1980–2020) inventory of full-scale N2O emissions in China

China's total N2O emissions increased from 889.6 Gg yr-1 in 1980 to 2295.0 Gg yr-1 in 2020, with agriculture making the largest contribution until 2015. However, industrial and energetic sources exceeded agriculture and became the fastest-accelerating N2O sources due to increasing demand for adipic acid and fossil fuels.

SourceScience China Press·JournalNational Science Review·DateNov 21, 2023

CRONT: Empowering optical tweezers with "biometric eyes"

Researchers developed CRISPR-powered optothermal nanotweezers (CRONT) that can trap and enrich bio-nanoparticles, including gold nanoparticles and DNA molecules. The technique achieves single molecule level SNP detection with ultra-low detection volume, making it suitable for point-of-care diagnosis and biophotonics.