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Science News Archive May 2022 - Page 7


Page 7 of 40

New class of substances detected in atmospheric chemistry

Researchers from TROPOS, University of Copenhagen, and Caltech have successfully detected hydrotrioxides (ROOOH) under atmospheric conditions. The formation of these compounds has been estimated to occur through the oxidation of isoprene and other hydrocarbons, with potential implications for health and environmental studies.

SourceLeibniz Institute for Tropospheric Research (TROPOS)·JournalScience·TypeExperimental study·DateMay 26, 2022

Not individual genes but the “mutational signatures” of many genes hold the key to better cancer therapies

Researchers have found that mutational signatures, which reflect a collection of mutations across the genome, can accurately predict drug response in cancer cells. The study suggests that these signatures may hold the key to better cancer therapies and could be used to predict treatment response.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalNature Communications·TypeComputational simulation/modeling·DateMay 26, 2022

Lew lab sheds new light on cell membranes

Researchers at the Lew lab have created a novel hardware and algorithm that enables visualization of cell membranes and molecular motions in six dimensions. This breakthrough allows for the observation of 3D structures with additional information on molecular orientation, providing new insights into biological systems.

SourceWashington University in St. Louis·JournalOptica·TypeComputational simulation/modeling·DateMay 26, 2022

Fishing for new source of proteoglycans, an important health food ingredient

Researchers from Tokyo University of Science discovered that bony fish head cartilage contains abundant proteoglycans, including aggrecan, with similar CS structures to salmon nasal cartilage. This finding reveals the potential of sturgeon as an alternative source of CSPGs for health food formulations.

SourceTokyo University of Science·JournalInternational Journal of Biological Macromolecules·TypeExperimental study·DateMay 26, 2022

Cornell, US Navy raise bar for autonomous underwater imaging

Researchers at Cornell University have developed a new algorithm for autonomous underwater sonar imaging that significantly improves speed and accuracy for identifying objects such as explosive mines and sunken ships. The new approach, called informative multi-view planning, integrates information about object locations with sonar proc...

SourceCornell University·JournalIEEE Journal of Oceanic Engineering·DateMay 26, 2022

Tsunami threats underestimated in current models, new research shows

Current predictive models underestimate tsunami severity by as much as 100%, according to USC researchers who found a correlation between tsunami strength and outer wedge width. The study identifies high-risk subduction zones, including Iran and the Cascadia zone, which could experience massive tsunamis.

SourceUniversity of Southern California·JournalEarth-Science Reviews·TypeComputational simulation/modeling·DateMay 26, 2022

New nutrient profiling tools confirm starchy vegetables deliver comparable nutritional value as non-starchy vegetables and whole fruit

A new study challenges the separation of starchy vegetables from non-starchy counterparts in nutrition research. Starchy vegetables, including white potatoes, were found to meet the definitions for high-quality carbohydrates using five separate indices, with some even scoring closer to fruits and non-starchy vegetables than sweets.

Error-free quantum computing gets real

Researchers at the University of Innsbruck have successfully implemented a universal set of gates on encoded logical quantum bits, enabling fault-tolerant quantum computing. The demonstration showcases two essential gates: CNOT and T-gates, which are crucial for programming all algorithms.

SourceUniversity of Innsbruck·JournalNature·TypeExperimental study·DateMay 25, 2022

New research reveals how the heart repairs after a heart attack

Researchers at Ann & Robert H. Lurie Children's Hospital of Chicago discovered that macrophages play a crucial role in cardiac repair after a heart attack by inducing vascular endothelial growth factor C (VEGFC) and promoting healing. This finding offers new hope for developing novel therapeutic approaches to preserve heart function.

SourceAnn & Robert H. Lurie Children's Hospital of Chicago·JournalJournal of Clinical Investigation·DateMay 25, 2022

Sarcopenic obesity linked to dementia in elderly patients, say scientists

A recent study published in Clinical Nutrition Journal has established a strong link between sarcopenic obesity and dementia in elderly patients. The research found that individuals with sarcopenic obesity were more likely to experience cognitive impairment and dementia compared to those without muscle loss or obesity.

SourceJuntendo University Research Promotion Center·JournalClinical Nutrition·TypeExperimental study·DateMay 25, 2022

Treatment for Myelodysplastic syndrome by hypomethylating agents (HMA) may activate an oncogene

Research found that hypomethylating agents (HMAs) activated the oncofetal protein SALL4 in up to 40% of patients with MDS, resulting in poor patient survival. This activation is linked to demethylation and upregulation of oncogenes, suggesting a need for additional combination therapy.

SourceBrigham and Women's Hospital·JournalNew England Journal of Medicine·TypeExperimental study·DateMay 25, 2022

Killing cancers with Z-DNA: A new approach to treating therapy resistant tumors that targets a very-specific cell-death pathway

Scientists have discovered a small molecule that bypasses ADAR1 suppression and directly activates tumor cell death by ZBP1, inducing highly immunogenic cell death and destroying fibroblasts supporting tumor growth. This approach has the potential to improve the effectiveness of immunotherapy in treating therapy-resistant tumors.

SourceInsideOutBio·JournalNature·TypeExperimental study·DateMay 25, 2022

New insights into antibiotic resistance

A study by Flinders University researchers reveals how hospital bacteria adapt and resist antimicrobial medications, including colistin. The findings provide potential new therapies for treating multi-drug resistant bacterial infections, highlighting the growing threat of antibiotic resistance.

SourceFlinders University·JournalMicroorganisms·TypeExperimental study·DateMay 25, 2022

Genetic roots of 3 mitochondrial diseases ID’d via new approach

Researchers have identified the genetic causes of three mitochondrial diseases and proposed 20 additional possibilities for further investigation using a new approach. The study provides a platform to better understand how mitochondria's hundreds of proteins work together, which could lead to improved diagnoses and treatments.

SourceWashU Medicine·JournalNature·TypeExperimental study·DateMay 25, 2022

How do smallholders transform to sustainable production in North China?

A study in Hebei Province found low emergy sustainability index and high greenhouse gas emissions from maize production. The research suggests optimizing yield and nitrogen use efficiency gaps and promoting transition towards sustainable agriculture practices, such as adopting technologies like 4R technology and digital agriculture.

SourceHigher Education Press·JournalFrontiers of Agricultural Science and Engineering·TypeSurvey·DateMay 25, 2022

Snake, lizard T cell mystery

A study discovered that snakes and lizards have lost a major type of T cell, γδ T cells, which has raised questions about their immune system. The loss is believed to be an evolutionary adaptation, prompting research into how these animals compensate for the missing T cells.

SourceFlinders University·JournalThe Journal of Immunology·TypeImaging analysis·DateMay 25, 2022

Women are making strides in artificial intelligence but are still underrepresented, according to new Concordia research

A Concordia study analyzed gender patterns in AI over two decades, finding women are making strides despite underrepresentation. Notably, female-male collaboration has increased, while core positions held by women remain scarce, tied to factors like family obligations and male-dominated environments.

SourceConcordia University·JournalJournal of Informetrics·TypeContent analysis·DateMay 25, 2022

Firearm suicides fell worldwide since 1990, but rose in 31 countries

A global analysis of firearm suicide data found that deaths from self-inflicted shootings decreased worldwide between 1990 and 2019. However, an increase in firearm suicides was observed in 31 countries, particularly in developing nations, suggesting a need for targeted public health efforts to reduce these deaths.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateMay 25, 2022

Finding superconductivity in nickelates

A team of researchers led by Arizona State University's Antia Botana discovered a new high-temperature superconductor in nickelates, a material that could pave the way to room temperature superconductivity. The discovery was made possible by combining theoretical models with experimental results using supercomputers.

SourceUniversity of Texas at Austin, Texas Advanced Computing Center·JournalPhysical Review X·TypeComputational simulation/modeling·DateMay 25, 2022