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Science News Archive December 2024 - Page 13


Page 13 of 39

Daily step count and depression in adults

A systematic review and meta-analysis of 96,000 adults found that higher daily step counts were linked to lower depressive symptoms. Further studies are needed to confirm the potential protective role of daily steps in depression.

SourceJAMA Network·JournalJAMA Network Open·DateDec 16, 2024

Yeast as food emulsifier? Easily released protein as strong as casein

Researchers at Osaka Metropolitan University have discovered yeast cell wall-derived proteins that exhibit high emulsifying activity, comparable to commercial casein emulsifier. These easily released protein molecules could potentially replace emulsifiers derived from milk, eggs, and soybeans, reducing allergenic concerns.

SourceOsaka Metropolitan University·JournalFood Hydrocolloids·TypeExperimental study·DateDec 16, 2024

Children’s Hospital of Philadelphia researchers reveal important themes to improve interactions between police and Black autistic youth

A study by Children's Hospital of Philadelphia researchers has identified four key themes to improve interactions between police and Black autistic youth, including concerns about police officers' training and the importance of patience and understanding. The study highlights the need for culturally responsive adaptations in police tra...

SourceChildren's Hospital of Philadelphia·JournalAutism·TypeSurvey·DateDec 16, 2024

Electric vehicle transition could create unwanted air pollution hotspots in China and India

Researchers warn that refining nickel, cobalt, and other minerals for electric vehicle batteries could increase sulfur dioxide emissions by up to 20% in China and India. The study highlights the need for countries to think strategically about building clean supply chains as they develop decarbonization plans.

SourcePrinceton University, Engineering School·JournalEnvironmental Science & Technology·TypeComputational simulation/modeling·DateDec 16, 2024

Rapid evolution: Researchers discover surprising novelty in mechanisms that determine sex of the African clawed frog

A genomic analysis reveals eight different sex chromosomes in 11 species of the frog, indicating unique and newly evolved genes for male or female sexual differentiation. This unexpected variation allows researchers to explore rapid evolution in sex determination, with possible 'on-off switch' genes orchestrating sexual differentiation.

SourceMcMaster University·JournalMolecular Biology and Evolution·DateDec 16, 2024

Highly sensitive transparent ultrasound transducer for photoacoustic and ultrasound endoscopy in live pigs

Researchers developed an ultra-compact transparent ultrasonic transducer for simultaneous high-resolution ultrasound and photoacoustic imaging. This technology improves diagnostic sensitivity by providing detailed information about tissue vasculature, thereby enhancing early cancer detection.

Treating prostate cancer with novel platinum complex via targeting androgen receptor signaling

Researchers discovered a novel platinum complex that targets androgen receptor signaling, inhibiting cell growth and survival in prostate cancer cells. The complex, 5-H-Y, showed stronger cytotoxic effects than cisplatin with minimal toxicity, offering a promising approach to treating advanced prostate cancer.

SourceShibaura Institute of Technology·JournalInorganic Chemistry·TypeExperimental study·DateDec 16, 2024

Unlocking the journey of gold through magmatic fluids

A UNIGE team has demonstrated that sulphur in its bisulphide (HS- ) form plays a critical role in transporting gold in magmatic fluids. The study uses innovative methodology to replicate extreme pressure and temperature conditions, providing new insights into the formation of precious metal ore deposits.

SourceUniversité de Genève·JournalNature Geoscience·TypeNews article·DateDec 16, 2024

Breakthrough in treatment approach showing promise in the fight against glioblastoma, the deadliest and most aggressive type of brain cancer

A phase 2 study conducted by Mayo Clinic found that 56% of participants were alive after 12 months, with a median overall survival of 13.1 months. The treatment, which combines short-course hypofractionated proton beam therapy with advanced imaging techniques, was more effective in patients over 65 with favorable tumor genetics.

SourceMayo Clinic·JournalThe Lancet Oncology·DateDec 16, 2024

NTU Singapore scientists develop 3D concrete printing method that captures carbon dioxide

Researchers have developed a 3D concrete printing system that captures and stores carbon dioxide, offering a promising alternative to traditional cement-based construction methods. The innovation improves printability, increases strength, and enhances mechanical properties, resulting in stronger and more eco-friendly buildings.

SourceNanyang Technological University·JournalCarbon Capture Science & Technology·TypeExperimental study·DateDec 16, 2024

Landmark study using 21 years of New England Aquarium’s Marine Conservation Action Fund (MCAF) data finds small grants advance ocean conservation and equity

A new study highlights how small grants to local projects worldwide can yield success in advancing global ocean conservation and equity. The research examines the effectiveness of the Marine Conservation Action Fund (MCAF) in promoting social equity and supporting local leaders in addressing ocean health challenges.

SourceNew England Aquarium·JournalBiological Conservation·TypeCase study·DateDec 16, 2024

Exploring the impact of probiotics on gut microbiota disruption caused by antibiotics

A review of probiotics for restoring antibiotic-disturbed gut microbiota found limited conclusive evidence. While certain probiotics can reduce clinical symptoms like diarrhea and C. difficile colitis, the lack of standardization in measuring microbiota disruption and recovery hinders conclusions.

SourceInternational Scientific Association for Probiotics and Prebiotics·JournalNature Reviews Gastroenterology & Hepatology·TypeLiterature review·DateDec 16, 2024

Danish diabetes medicine increases the risk of severely debilitating eye condition

Two independent studies from University of Southern Denmark confirm that patients with type 2 diabetes who take Ozempic are at increased risk of developing damage to the optic nerve, leading to severe and permanent loss of vision. The risk doubles compared to those not taking Ozempic.

SourceUniversity of Southern Denmark Faculty of Health Sciences·JournalInternational Journal of Retina and Vitreous·TypeData/statistical analysis·DateDec 16, 2024

Corals depend on near neighbors to reproduce

A new study reveals that corals must be within 10 meters of each other for fertilization to take place, emphasizing the need for conservation efforts to maintain coral populations. The research found that as distance increases, reproduction success declines significantly.

SourceUniversity of Queensland·JournalProceedings of the National Academy of Sciences·DateDec 16, 2024

Magnetic resonance imaging also sheds light on history without destroying fragile finds - Ancient Roman harbor wooden structures analyzed at the University of Oulu, Finland

A recent study used NMR methods to investigate rare 300-century wooden structures from the Roman Empire, shedding light on their history and behavior in water. The analysis revealed valuable insights into the structure and changes of archaeological wood remains, contributing to the preservation of heritage for future generations.

SourceUniversity of Oulu, Finland·JournalPhysical Chemistry Chemical Physics·DateDec 16, 2024

The collaborative power of AI and citizen science in advancing the Sustainable Development Goals

Combining AI and citizen science enhances SDG monitoring and achievement by addressing data gaps and biases. Successful applications have been demonstrated in addressing environmental indicators, good health, sustainable cities, life below water, and life on land. The integration of these approaches can create synergies to address sust...