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Diego bows to ancestral sabretoothed mammal

A new fossil specimen discovered in California reveals that the first saber-like canines evolved in an early nimravid around 40 million years ago. This finding highlights the quick diversification of carnivorous mammals after the middle Eocene climatic optimum.

SourceKyoto University·JournalBiology Letters·TypeMeta-analysis·DateOct 13, 2022

Researchers discover new multicellular bacteria species

Researchers have isolated a novel bacterial species, HS-3, that displays complex multicellular behavior and a reversible two-phase life cycle. The discovery reveals a previously unknown mechanism for the emergence of multicellularity in bacteria, suggesting that environmental factors played a crucial role.

SourceeLife·JournaleLife·DateOct 11, 2022

The new compound that destroys the MRSA superbug

Scientists at the University of Bath have discovered a novel polyamine that destroys MRSA superbug Staphylococcus aureus by disrupting its cell membrane, rendering it susceptible to antibiotics. The compound is also effective against biofilm and has shown promise as a potential new treatment option for antibiotic-resistant infections.

SourceUniversity of Bath·JournalFrontiers in Microbiology·TypeExperimental study·DateOct 11, 2022

Discovery of a new antibiotic against resistant pathogens

Researchers at the University of Basel have discovered a new antibiotic, Dynobactin, effective against resistant Gram-negative bacteria. The compound blocks bacterial membrane protein BamA, preventing its job and killing the bacteria. This finding offers a boost to antibiotics research and could lead to more effective drugs.

SourceUniversity of Basel·JournalNature Microbiology·TypeData/statistical analysis·DateOct 11, 2022

Through thick and thin: X-rays track the behavior of soft materials

Scientists explore the dynamics of soft materials like toothpaste and hair gel using X-ray photon correlation spectroscopy (XPCS). The technique reveals microscopic dynamics and helps understand properties like viscosity and elasticity. Insights gained can aid in designing consumer products, nanotechnologies, and drug delivery systems.

SourceDOE/Argonne National Laboratory·JournalProceedings of the National Academy of Sciences·DateOct 10, 2022

Researchers’ flow platform advances water harvesting technology

Researchers have advanced a novel platform to accelerate the harvesting process, solving a key problem in water collection by removing thermal barriers. The design features mushroom-like channels that direct water droplets into collectible containers, allowing for continuous water harvesting anywhere.

SourceUniversity of Texas at Dallas·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 4, 2022

National Institutes of Health awards $15.75M to research team led by Case Western Reserve University and Duke University to map vagus nerve—body’s ‘super highway’ for controlling major organ functions

The researchers will conduct multimodal imaging of 100 human vagus nerves using high-resolution technologies, providing unprecedented data on the vagus nerve's organization. This work aims to improve the safety and effectiveness of existing vagus nerve therapies, offering potential for novel neuromodulation therapies.

NTU Singapore scientists’ discovery of the structure of a key part of our chromosomes could improve understanding of how humans age and develop cancer

Scientists from NTU Singapore have discovered that telomeres are stacked in columns like a spring, leaving DNA exposed to damage. This finding could improve understanding of how humans age and develop cancer, with potential treatments for diseases caused by dysfunctional telomeres.

Machine learning creates opportunity for new personalized therapies

Researchers developed a computational platform to identify metabolic vulnerabilities in ovarian cancer genes, suggesting opportunities for targeted therapies. The study found that certain genetic alterations can create vulnerabilities in cancer cell metabolism, which can be exploited to selectively kill cancer cells.

SourceMichigan Medicine - University of Michigan·JournalNature Metabolism·TypeExperimental study·DateSep 28, 2022

In pursuit of better batteries

A team of University of Missouri researchers is working to understand why solid-state lithium-ion batteries struggle with performance issues. They will use a specialized electron microscope and thin film polymer coatings to study the interface between the battery cathode and electrolyte, with the goal of developing an engineered interf...

Clarifying the chaos of narwhal behavior

Long-term monitoring data reveals previously undetected diurnal patterns in narwhal behavior, including changes in surface activity and diving patterns influenced by sea ice and squid migration. The study's method can be applied to assess the challenges faced by narwhals and other Arctic animals due to climate change.

SourceHokkaido University·JournalPLOS Computational Biology·TypeComputational simulation/modeling·DateSep 22, 2022

UF researchers find new sugar substitutes in citrus that could change food and beverage industry

Researchers at the University of Florida have identified eight new sweetener compounds in 11 citrus cultivars, providing a potential solution to reduce sugar content in processed foods while maintaining sweetness. This breakthrough could lead to the development of natural, non-caloric sweeteners for the food industry.

SourceUniversity of Florida·JournalJournal of Agricultural and Food Chemistry·DateSep 20, 2022

Rapid land sinking is making many coastal cities worldwide vulnerable to sea level rise, finds international group of scientists

A team of international scientists found that many densely populated coastal cities worldwide are at risk from sea level rise due to land subsidence. The study used satellite images to estimate the rate of land sinking in 48 cities, with median speeds ranging from 16.2mm/year to 43mm/year.

SourceNanyang Technological University·JournalNature Sustainability·DateSep 20, 2022

Aging | Extracellular microRNA and cognitive function in a prospective cohort of older men: The veterans affairs normative aging study

A new study has found associations between plasma miRNAs and cognitive function among cognitively normal men, including those with higher MMSE scores and slower rates of cognitive decline. These findings suggest that extracellular microRNAs may play a role in the early stages of cognitive decline.

SourceImpact Journals LLC·JournalAging-US·TypeObservational study·DateSep 15, 2022

Physicists demo method for designing topological metals

Researchers from Rice University and partners identified three promising candidate materials using a new framework that cross-references information in a database of known materials with theoretical calculations. The method could help explore strongly correlated topological matter, a large and largely uninvestigated landscape.

SourceRice University·JournalNature Physics·TypeExperimental study·DateSep 15, 2022

New mechanism extends life of immune system

Researchers discovered a telomere transfer reaction between immune cells that extends their lifespan and confers long-term protection. This 'anti-ageing' mechanism has potential clinical applications for diseases like cancer and dementia, and may enable people to live healthier and longer.

SourceUniversity College London·JournalNature Cell Biology·TypeExperimental study·DateSep 15, 2022

Paleontologists at the University of Malaga reveal new data on the evolution of the hominid cranium

Paleontologists at the University of Malaga have found that humans uniquely combine increased brain size with a juvenile cranial shape. The analysis of four new hominid fossils and modern great ape samples shows changes in cranial development, including a negative growth of the neurocranium and a positive growth of the splanchnocranium.

SourceUniversity of Malaga·JournalPeerJ·TypeExperimental study·DateSep 15, 2022

Discovered key mechanisms to improve intestinal regeneration and alleviate the side effects of radiotherapy

Researchers have discovered a cellular and molecular mechanism essential for intestinal epithelial regeneration. Progenitor cells modulate the production of mitogenic factors, controlling intestinal stem cell proliferation and tissue regeneration. This finding breaks new ground in research into counteracting radiotherapy side effects.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalJournal of Experimental Medicine·TypeExperimental study·DateSep 14, 2022

International study led by Singapore scientists discovers bacteria previously thought harmless can worsen existing lung disease

A study led by Singapore scientists found that Neisseria, a genus of bacteria once considered harmless, can cause infections in patients with bronchiectasis, asthma, and COPD. The research team identified a specific subgroup of Neisseria called N. subflava as the main culprit behind worsening disease outcomes.

SourceNanyang Technological University·JournalCell Host & Microbe·TypeExperimental study·DateSep 14, 2022

Tumor-infiltrating B cells and plasma cells influence early-stage lung cancer biology, immunotherapy responses

A new study provides valuable insights into the roles of B cells and plasma cells in early-stage lung cancer biology, highlighting their influence on tumor development and treatment outcomes. The research also reveals environmental factors and molecular features that contribute to the landscape of infiltrating immune cells.