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Science News for July 5, 2022


Fourth-generation vaping devices increase risk to immune cells

A new study published by UNC School of Medicine researchers found that fourth-generation vaping devices are associated with unique changes in markers of immune responses inside airways. The study compared the respiratory immune health effects of different types of devices, including third-generation and fourth-generation models.

SourceUniversity of North Carolina Health Care·JournalAmerican Journal of Respiratory and Critical Care Medicine·TypeObservational study·DateJul 5, 2022

Inhalable COVID-19 vaccine shows promise in rodent model

Researchers developed an inhalable COVID-19 vaccine that targets the lungs specifically and effectively, allowing for self-administration via an inhaler. The vaccine prototype, RBD-Exo, elicited production of antibodies specific to the SARS-CoV-2 spike protein in rodent models, offering a promising solution to improve vaccine delivery.

SourceNorth Carolina State University·JournalNature Biomedical Engineering·TypeExperimental study·DateJul 5, 2022

Eavesdropping on whales in the high Arctic

Researchers successfully used Distributed Acoustic Sensing to passively listen to whales, detecting over 830 vocalizations and locating their positions with unprecedented spatial resolution. The technique allows for real-time monitoring of whale behavior, as well as detection of other ocean sounds like storms and earthquakes.

SourceNorwegian University of Science and Technology·JournalFrontiers in Marine Science·TypeObservational study·DateJul 5, 2022

Marital status likely key factor in predicting early stage gastric cancer survival

A study using data from the Surveillance, Epidemiology, and End Results database found that married individuals had better survival prospects than divorced or widowed people. The researchers developed a nomogram to predict 3-5 year survivals, with marital status being one of several independent prognostic factors.

SourceBMJ Group·JournalJournal of Investigative Medicine·TypeComputational simulation/modeling·DateJul 5, 2022

Why is it so hard for humans to have a baby?

A recent study published in PLOS Biology suggests that 'selfish chromosomes' may be the reason behind the high number of human embryo deaths. The research found that most fertilized eggs die early on due to chromosomal errors, and even those that survive may not reach term due to a process called centromeric drive. However, the study a...

SourceUniversity of Bath·JournalPLOS Biology·TypeCommentary/editorial·DateJul 5, 2022

Traditional Chinese medicine is effective for recurrent respiratory infections in children, says pediatric investigation study

A multicenter study found that traditional Chinese medicine Yupingfeng was as effective as allopathic drugs in treating recurrent respiratory tract infections in children. The study showed a substantially greater reduction in RRTI events and similar safety profiles across all three groups.

SourceCactus Communications·JournalPediatric Investigation·TypeRandomized controlled/clinical trial·DateJul 5, 2022

With changing climate, global lake evaporation loss larger than previously thought

Researchers created a dataset quantifying trends of evaporative water loss from 1.4 million global lakes and artificial reservoirs, revealing a 15.4% increase in long-term lake evaporation volume. This finding highlights the importance of accurate information for water management decision-makers in addressing climate change impacts.

SourceTexas A&M University·JournalNature Communications·TypeNews article·DateJul 5, 2022

Low temperature nanoparticle ink

Researchers developed a simple and versatile nanoparticle ink made from tin oxide, which can be printed at relatively low temperatures using microwave technology. This ink enables the mass production of high-efficiency perovskite solar cells with power-conversion efficiencies of up to 18%.

SourceARC Centre of Excellence in Exciton Science·JournalChemistry of Materials·TypeExperimental study·DateJul 5, 2022

Fish feed is greatest contributor to greenhouse gas emissions in China’s aquaculture industry

A recent study reveals that the production of fish feed is the greatest contributor to greenhouse gas emissions in China's aquaculture industry. The research found that provinces such as Guangdong, Hubei, Jiangsu, and Shandong have the highest GHG emissions, accounting for approximately 46% of all emissions.

SourceKeAi Communications Co., Ltd.·JournalWater Biology and Security·TypeData/statistical analysis·DateJul 5, 2022

More dogs in the neighborhood often means less crime

A study by Ohio State University found that neighborhoods with high levels of trust and more dogs had lower rates of homicide, robbery, and aggravated assaults compared to areas with fewer dogs. The presence of dog walkers serves as a form of neighborhood surveillance, discouraging crime and deterring potential threats.

SourceOhio State University·JournalSocial Forces·TypeData/statistical analysis·DateJul 5, 2022

Unrecognized qualifications thwart Australia’s skilled migrants

A new study by Flinders University and Charles Darwin University found that efforts to meet employer demands for Australian qualifications result in marginal returns for skilled migrants. Many experienced skills mismatches, especially among IT professionals and those in business and marketing fields, leading to underemployment.

SourceFlinders University·JournalInternational Migration·TypeCase study·DateJul 5, 2022

Study points to Armenian origins of ancient crop with aviation biofuel potential

Research from Washington University in St. Louis reveals that camelina, an ancient oilseed crop, may have been more important and widespread than previously thought, with origins in the Caucasus region near present-day Armenia. The study's findings support breeding programs to improve this crop for biofuels applications, highlighting i...

SourceWashington University in St. Louis·JournalAmerican Journal of Botany·TypeExperimental study·DateJul 5, 2022

Fossils confirm early diversification of spiny plants in central Tibet

Researchers have discovered exceptionally rich assemblages of plant spine fossils in central Tibet, confirming an early diversification of spiny plants around 39 million years ago. The findings suggest that a drying and cooling climate may have driven the evolution of physical defense mechanisms against large herbivores.

SourceChinese Academy of Sciences Headquarters·JournalNature Communications·TypeObservational study·DateJul 5, 2022

Zapping our tastebuds can help reduce our salt intake

A Japanese research team has developed a chopstick-shaped device that uses weak electrical charges to stimulate the tongue's saltiness. The study found that individuals following a low-sodium diet can reduce their salt intake by 30% through electric taste stimulation, enhancing the full flavor of salty foods.

SourceFrontiers·JournalFrontiers in Virtual Reality·DateJul 5, 2022

Ethnic pride may help protect Latino college students from problem drinking

A new study suggests that developing culturally-sensitive interventions for Latino college students can help prevent problem drinking. The research found that ethnic pride was associated with significantly less drinking and alcohol-related consequences, while ethnic shame was linked to a higher likelihood of problem drinking. Familismo...

SourcePenn State·JournalJournal of Ethnicity in Substance Abuse·TypeObservational study·DateJul 5, 2022

Timing is everything for weed management

Researchers identified peak emergence times for 15 problematic weed species in the Northeast, revealing that waiting till after June 1 can avoid common ragweed. Flexible crop rotations and weather-based predictions can help farmers plan ahead and control weeds more effectively.

SourceCornell University·JournalFrontiers in Agronomy·DateJul 5, 2022

Molecule boosts fat burning

A new molecule, inosine, has been identified as a key booster of fat burning through activation of brown fat cells. Studies have shown that inosine can increase energy consumption and protect against diabetes in mice fed high-energy diets.

SourceUniversity of Bonn·JournalNature·DateJul 5, 2022

New research on intensive nurse home visiting program shows no impact on birth outcomes; study is ongoing

A randomized evaluation of Nurse-Family Partnership found that low-income mothers in South Carolina experienced adverse birth events at a rate of 26.9 percent, similar to the control group. The study evaluated various outcomes, but more evidence is needed on effective interventions to address racial and structural inequities.

SourceHarvard T.H. Chan School of Public Health·JournalJAMA·TypeRandomized controlled/clinical trial·DateJul 5, 2022

Nanoparticle vaccine protects against a spectrum of COVID-19-causing variants and related viruses

A new nanoparticle vaccine has shown promising results in protecting against a spectrum of COVID-19-causing variants and related viruses. The vaccine induces the production of cross-reactive antibodies that recognize virtually every SARS-like betacoronavirus strain, providing broad-spectrum protection against future pandemics.

COVID-19 virus spike protein flexibility improved by human cell's own modifications

Researchers created an atomic-level computational model of the COVID-19 spike protein, finding that human cell modifications increase its flexibility and mobility. The study suggests that these modifications can enhance virus infectivity and immune avoidance.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateJul 5, 2022

Dominant omicron subvariants better at evading vaccines, antibody treatments

A study by Columbia University researchers found that new omicron subvariants BA.4 and BA.5 are better at evading vaccines and antibody treatments than previous variants, causing more breakthrough infections in vaccinated individuals. Only one available monoclonal antibody treatment remained highly effective against these subvariants.

SourceColumbia University Irving Medical Center·JournalNature·TypeExperimental study·DateJul 5, 2022

Brain’s response to understanding stories changes as we grow up

Research reveals that brain responses to stories change dramatically between childhood and adulthood, with different brain regions activated in each age group. Children as young as seven show similar patterns of brain activity to adults when watching a story, but their brains are less synchronized and more focused on sensory details.

SourceeLife·JournaleLife·DateJul 5, 2022

Unchecked emissions could double heat-related child mortality

A new study published in Environmental Research Letters estimates that thousands of heat-related child deaths could be prevented if temperature increases are limited to the Paris Agreement's 1.5ºC target through to 2050. Under a high emission scenario, heat-related child mortality is projected to double by 2049 compared to 2005-2014.

SourceUniversity of Leeds·JournalEnvironmental Research Letters·TypeData/statistical analysis·DateJul 5, 2022

Latest study on telehealth consultations highlights potential health inequalities

A recent study by Staffordshire University highlights the potential for telehealth consultations to widen disparities in healthcare access. Despite the benefits of reduced costs and increased flexibility, service managers and clinicians reported limited technological skills and patient technology as major barriers to telehealth adoptio...

SourceStaffordshire University·JournalInternational Journal for Equity in Health·TypeSurvey·DateJul 5, 2022

COVID-19 vaccination activates antibodies targeting parts of virus spike protein shared between coronaviruses

A new analysis suggests that the COVID-19 vaccine generates antibodies targeting unique and conserved regions of the SARS-CoV-2 spike protein. The immune system's history with other coronaviruses shapes the patient's response, and the antibody response to common cold coronaviruses appears to follow different paths than to SARS-CoV-2.

SourceNorthern Arizona University·JournalCell Reports·TypeComputational simulation/modeling·DateJul 5, 2022

A new frontier in water purification

Researchers at Boise State University developed a new water purification system that uses Ti3C2Tx MXene to remove ammonia from simulated wastewater. The system achieves a 100 times improvement in deionization capacity compared to activated carbon-based electrode systems, reducing energy consumption and pollutant ions.

SourceBoise State University College of Engineering·Journalnpj Clean Water·TypeExperimental study·DateJul 5, 2022

Making it easier to differentiate mirror-image molecules

Researchers from PSI, EPFL, and the University of Geneva developed a new method to distinguish between mirror-image molecules using helical dichroism. This approach provides stronger signals compared to circular dichroism (CD), which is widely used but has weak signals suitable only for gas-phase samples.

SourcePaul Scherrer Institute·JournalNature Photonics·TypeExperimental study·DateJul 5, 2022

Taking Vitamin D during pregnancy could lower the risk of eczema in babies

A new study published in the British Journal of Dermatology found that taking Vitamin D supplements during pregnancy can substantially reduce the chances of babies developing atopic eczema. Babies who were breastfed for more than a month showed a lower risk of eczema, suggesting that supplementation may have long-lasting benefits.

SourceUniversity of Southampton·JournalBritish Journal of Dermatology·TypeRandomized controlled/clinical trial·DateJul 5, 2022

“Good evidence” that ADHD drugs might also treat Alzheimer’s disease

A pooled data analysis of available research found that ADHD drugs may successfully treat key aspects of Alzheimer's disease. Noradrenergic drugs, which target the neurotransmitter noradrenaline, showed a small but significant positive effect on overall cognition and a large positive effect on apathy in patients with Alzheimer's disease.

SourceBMJ Group·JournalJournal of Neurology Neurosurgery & Psychiatry·TypeSystematic review·DateJul 5, 2022

Finding HIV’s sweet spot

Researchers found that HIV prefers to infect memory CD4 T cells with large amounts of specific sugars, including fucose and sialic acid. The study also reveals that HIV boosts the production of these sugars in infected cells, highlighting a new target for potential treatments.

SourceGladstone Institutes·JournaleLife·DateJul 5, 2022

Why natural gas is not a bridge technology

The study highlights the risks of natural gas infrastructure expansion, including underestimated methane emissions and economic climate risks. The researchers propose five measures to avoid these risks, including a timely and consistent natural gas exit.

SourceRuhr-University Bochum·JournalNature Energy·TypeData/statistical analysis·DateJul 5, 2022

Seeing photovoltaic devices in a new light

A team of researchers at Osaka University measured the photovoltaic properties of antimony sulfiodide:sulfide devices and discovered a novel effect. They found that changing the color of incident light from visible to ultraviolet induced a reversible change in output voltage, while leaving current unchanged.

SourceOsaka University·JournalAdvanced Functional Materials·TypeExperimental study·DateJul 5, 2022

Age may rival politics in COVID-19 vaccine debate

A new study from the University of Georgia suggests that age and risk perception have a significant impact on COVID-19 vaccine acceptance, surpassing political ideology. Older adults (50+) are more likely to consider themselves at risk for severe illness and are universally vaccinated, particularly above 75 years old.

SourceUniversity of Georgia·JournalInternational Journal of Strategic Communication·DateJul 5, 2022

Young Black patients with AML face significantly worse outcomes than white patients of the same age

A new study published in Blood Advances highlights significant inequities in diagnosis, treatment, and care between Black and white patients with acute myeloid leukemia (AML). Young adult Black patients were five times more likely to die within 30 days of beginning treatment compared to comparable white patients. The study also found c...

SourceAmerican Society of Hematology·JournalBlood Advances·DateJul 5, 2022

July issues of American Psychiatric Association journals highlight neuroscientific advances in treatment; provision of care among underserved populations

The July issues of The American Journal of Psychiatry and Psychiatric Services feature new neuroscientific advances addressing major depression, anhedonia, and cognitive deficits. Research reports highlight the provision of care among underserved populations, including Hispanic communities with declining mental health services.

SourceAmerican Psychiatric Association·JournalAmerican Journal of Psychiatry·DateJul 5, 2022

Motherhood is equal to partner absence as a cause of economic disadvantage in single mothers

New research by Professor Susan Harkness reveals that motherhood earning penalties have a significant impact on the economic wellbeing of single mothers. The study found that labour market penalties, cost of partner absence and child-related increases in financial needs combine to negatively affect single mothers' income.

SourceUniversity of Bristol·JournalDemography·TypeMeta-analysis·DateJul 5, 2022