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Science News Archive July 2022 - Page 10


Page 10 of 34

Nonthermal plasma-promoted CO2 hydrogenation in presence of alloy catalysts

Researchers from Tokyo Tech investigated nonthermal plasma-promoted CO2 hydrogenation on Pd2Ga/SiO2 catalysts, revealing a more than two-fold increase in CO2 conversion compared to thermal methods. The study provides mechanistic insights into the NTP-activated species and metallic catalyst interaction.

SourceTokyo Institute of Technology·JournalJournal of the American Chemical Society·TypeExperimental study·DateJul 22, 2022

Scientists find molecular clues behind acute and chronic phases of traumatic brain injury

Researchers at Arizona State University have discovered molecular signatures associated with acute and chronic phases of traumatic brain injury (TBI). The study aims to address current limitations in TBI diagnosis and treatment by identifying biomarkers and understanding the blood-brain barrier's role in drug delivery.

SourceArizona State University·JournalScience Advances·TypeExperimental study·DateJul 22, 2022

Making sense of socially enhanced aggression in the brain

Scientists from the University of Tsukuba discovered that the lateral habenula brain region plays a crucial role in amplifying aggressive behavior in response to social interactions. Blocking this pathway eliminated increased aggression caused by social instigation, highlighting its significance in promoting aggressive arousal.

SourceUniversity of Tsukuba·JournalNature Communications·DateJul 22, 2022

A more balanced public health approach is needed for e-cigarette use

A recent study on adult e-cigarette use highlights the need for a more nuanced public health approach. While e-cigarettes pose risks, they also offer potential benefits for cessation of combustible cigarette smoking. Researchers suggest balancing concerns with evidence-based strategies to promote e-cigarette use as a tool for quitting.

SourceRutgers University·JournalJAMA Network Open·TypeCommentary/editorial·DateJul 22, 2022

Dynamic mental illness indicators caught by advanced AI in brain imaging

Researchers from Georgia State University developed an AI model that can analyze large amounts of brain imaging data to identify novel patterns linked to mental health conditions. The model was trained on datasets of over 10,000 individuals and showed promise in predicting Alzheimer's disease, schizophrenia, and autism risk.

SourceGeorgia State University·JournalScientific Reports·TypeComputational simulation/modeling·DateJul 22, 2022

SWEET RESEARCH: CHEMISTS UNLOCK SECRETS OF MOLTEN SALTS

Researchers have developed a novel simulation method to calculate free energy using deep learning artificial intelligence, providing accurate models of molten salts' thermodynamic properties. The study could help examine corrosion in metal containers and improve the design of next-generation nuclear reactors.

SourceUniversity of Cincinnati·JournalChemical Science·TypeExperimental study·DateJul 22, 2022

Human activities increase likelihood of more extreme heatwaves, researchers find

A recent study found that greenhouse gases are the primary reason for increased temperatures and will likely continue to be the main contributing factor. Simulations show that extreme heatwave events will increase by over 30 percentage points in coming years, primarily due to human-caused emissions.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateJul 22, 2022

Prevalence of mental health problems in transgender children

A recent study published in JAMA Network Open found that nearly half of transgender and gender diverse children experience mental health problems, including anxiety and depression. The study evaluated over 7,200 children aged 9-10 and highlights the need for increased support and resources for this vulnerable population.

SourceJAMA Network·JournalJAMA Network Open·DateJul 22, 2022

Astronomers develop novel way to ‘see’ the first stars through the fog of the early Universe

A team of astronomers has developed a novel way to observe the first stars and galaxies, detecting light through the fog of the early Universe. The Square Kilometre Array will likely make images of the earliest light, but current telescopes struggle to detect the cosmological signal through hydrogen clouds.

SourceUniversity of Cambridge·JournalNature Astronomy·TypeObservational study·DateJul 21, 2022

Lighting up the B cells

Researchers create CDyB, a fluorescent probe that targets SLC35C2 transporter in B cells, allowing for live-cell distinction from T cells. The study enriches the molecular probe toolbox and opens possibilities for multi-dimensional cell analysis.

SourceInstitute for Basic Science·JournalAngewandte Chemie·TypeExperimental study·DateJul 21, 2022

New method to map the surface of the moon increases accuracy to unprecedented levels

A new method developed by Iris Fernandes increases topography mapping accuracy on the moon, making it possible for safe landing and robotic movement. The method uses shadows in images to extract exact topography details, eliminating previous computational inefficiencies and assumptions.

SourceUniversity of Copenhagen - Faculty of Science·JournalPlanetary and Space Science·TypeImaging analysis·DateJul 21, 2022

AI speeds sepsis detection to prevent hundreds of deaths

A new AI system developed by researchers at Johns Hopkins University has been shown to detect sepsis more accurately and quickly than current methods, potentially saving thousands of lives. The system uses computational simulation and modeling to analyze patient data and identify early warning signs of sepsis.

SourceJohns Hopkins University·JournalNature Medicine·TypeComputational simulation/modeling·DateJul 21, 2022

THE LANCET: 160 million women worldwide have unmet contraception needs; new study reveals large differences in types of contraceptives used across regions and age groups

A new study estimates that over 160 million women and adolescents worldwide need contraception but lack access to it, with significant disparities in use across regions and age groups. The study found that young women, particularly those aged 15-24, face the highest levels of unmet need, amounting to 43 million globally.

SourceThe Lancet·JournalThe Lancet·TypeComputational simulation/modeling·DateJul 21, 2022

Just 10 financial actors hold the key to climate change

A new report identifies the top 10 financial actors influencing the fossil fuel economy and outlines their decisive role in helping de-carbonize our future. The study suggests that these influential actors, including investment advisors and governments, can make transformative changes to reduce fossil fuel production.

SourceUniversity of Waterloo·JournalEnvironmental Innovation and Societal Transitions·DateJul 21, 2022

Patient deterioration predictor could surpass limits of traditional vital signs

Researchers developed an AI-driven device that detects and predicts hemodynamic instability using a single ECG lead, outperforming traditional vital sign measurements with nearly 97% sensitivity. The technology has the potential to provide continuous dynamic monitoring capabilities in patients with intermittent static vital sign measur...

SourceMichigan Medicine - University of Michigan·JournalCritical Care Explorations·TypeExperimental study·DateJul 21, 2022

Taste sensors keep proteins in order in flies

A set of genes promoting sweet taste sensation also regulate protein management in flies, according to a new study. The finding suggests a connection between taste-related genes and disorders of protein aggregation.

SourcePLOS·JournalPLOS Biology·TypeExperimental study·DateJul 21, 2022

A new take on the ‘marshmallow test’: When it comes to resisting temptation, a child's cultural upbringing matters

A new study found that children from Kyoto, Japan, waited three times longer for food than for gifts, while those from Boulder, Colorado, waited nearly four times longer for gifts. The study suggests that cultural upbringing plays a significant role in shaping children's self-control and habits.

SourceUniversity of Colorado at Boulder·JournalPsychological Science·DateJul 21, 2022

Generating power where seawater and river water meet

Researchers explored the potential of osmotic power generation using 2D materials, which can efficiently generate electricity from the concentration difference between seawater and river water. The technology has the potential to produce one terawatt of electricity annually, making it a promising alternative to wind and solar power.

SourceTsinghua University Press·JournalNano Research Energy·DateJul 21, 2022

Google/Apple’s contact-tracing apps susceptible to digital attacks

Researchers found a flaw in Google/Apple's exposure notification framework that can be exploited for replay attacks, potentially causing false positive notifications and disrupting trust in the system. A patch, called GAEN+, has been developed to address this issue using coarse location data from Wi-Fi access points and cell phone towers.

SourceOhio State University·JournalProceedings on Privacy Enhancing Technologies·TypeMeta-analysis·DateJul 21, 2022

Resistance to mosaic disease explained

Researchers have discovered the genetic basis of natural resistance in cassava to mosaic disease, which is transmitted by whiteflies and causes significant yield losses. The gene, known as CMD2, is a DNA polymerase that corrects errors during replication, making it essential for the virus's survival.

SourceETH Zurich·JournalNature Communications·TypeExperimental study·DateJul 21, 2022

Evidence that asylum seekers are facing human rights violations in Croatia is now incontestable, says new study

Researchers found evidence of extreme police brutality and forced expulsions of hundreds of asylum seekers from Croatia, with over 25,000 people affected. The study also reveals the use of 'chain pushbacks' involving multiple EU countries and Croatian police violence against migrants.

SourceUniversity of Nottingham·JournalAnnals of the American Association of Geographers·TypeObservational study·DateJul 21, 2022

Wildfire-smoke observations fill gap in estimating soot’s role in climate change

Scientists have developed a new method to estimate the impact of black carbon from wildfires on climate change, using measurements of light absorption by coated soot particles. The study provides a more accurate way to forecast global climate change and resolves a long-standing uncertainty in earth system models.

SourceDOE/Los Alamos National Laboratory·JournalGeophysical Research Letters·TypeObservational study·DateJul 21, 2022