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Science News for February 10, 2022


African Heritage Sites threatened by coastal flooding and erosion as sea-level rise accelerates

Climate change is threatening African cultural and natural heritage sites, with 56 of 284 sites identified as highly exposed to extreme sea levels and erosion. The number of affected sites is projected to triple by 2050 under high emissions scenarios, highlighting the need for urgent climate change adaptation measures.

SourceUniversity of South Africa - Cape Town Campus·JournalNature Climate Change·DateFeb 10, 2022

New species of marine plankton discovered, an overlooked source of nutrients in the oceans

Researchers have discovered two new and unusual species of diatoms that fix nitrogen, a critical process supporting productivity in nutrient-poor open ocean waters. These diatoms harbor symbiotic cyanobacteria that convert dissolved nitrogen gas into ammonia, enabling them to thrive in nutrient-poor conditions.

SourceUniversity of Hawaii at Manoa·JournalNature Communications·TypeExperimental study·DateFeb 10, 2022

'Molecular Velcro' enables tissues to sense, react to mechanical force

A University of Illinois study discovered that cadherin proteins can sense mechanical stress and alter cell communication, promoting tissue growth and tumorigenesis. The findings suggest a potential mechanism for preventing certain types of tissue growth by mutating cadherin molecules.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateFeb 10, 2022

Withdrawal of rivers and lakes is faster near cities

A study published in AGU Advances found that water depletion from rivers and lakes accelerates near urban centers due to factors like increased evaporation and groundwater exploitation. Researchers analyzed satellite imagery of the US from 1984 to 2018 and developed a model predicting surface water loss proximity to cities.

SourceUniversità di Bologna·JournalAGU Advances·DateFeb 10, 2022

Breakthrough in cathode chemistry clears the path for Li-S batteries' commercial viability

Researchers at Drexel University have developed a stable sulfur cathode that functions in a commercially viable carbonate electrolyte, enabling Li-S batteries with three times the capacity of Li-ion batteries and lasting over 4,000 recharges. This breakthrough paves the way for more sustainable battery alternatives.

SourceDrexel University·JournalCommunications Chemistry·TypeExperimental study·DateFeb 10, 2022

Three Exeter researchers win Discovery Fellowships

Three University of Exeter researchers Dr Jasmine Ono, Dr Luis Yanez Guerra and Dr Jane Usher have been awarded BBSRC Discovery Fellowships for innovative research in biotechnology and biological sciences. They will focus on improving scientific knowledge to develop better treatments for human fungal pathogens and understanding the ori...

Promising molecule for treatment of COVID-19

Researchers at Uppsala University have designed a molecule that inhibits the replication of coronaviruses, including the new variant, with great potential for developing an antiviral drug. The molecule has been shown to be effective against both old and new variants, offering hope for treatment options.

SourceUppsala University·JournalJournal of the American Chemical Society·TypeExperimental study·DateFeb 10, 2022

Closing in on the carbon costs of wildfires

A new study suggests that wildfires can lead to increased soil carbon stocks in savannahs and grasslands, potentially offsetting short-term emissions. The research found that fires could store up to 90 million tonnes of carbon per year, but the breakdown rate of charcoal in soils remains uncertain.

SourceUniversity of East Anglia·JournalNature Geoscience·TypeComputational simulation/modeling·DateFeb 10, 2022

Symptom persistence during first year following traumatic brain injury

A study of over 2,000 participants found that traumatic brain injury (TBI) patients reported an average of 3.5 problematic symptoms after a year, with physical symptoms declining and cognitive symptoms remaining constant. The research highlights the importance of addressing TBI-related symptoms in patients' daily lives.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalJournal of Neurotrauma·TypeCase study·DateFeb 10, 2022

Advanced solutions for agriculture: strategies for the Near East and North Africa facing climate change

The study analyzes the costs and effectiveness of climate change adaptation measures in agriculture, highlighting integration of different techniques as a key factor. Climate smart agriculture and conservation agriculture can provide benefits in terms of both adaptation and mitigation of climate change.

SourceCMCC Foundation - Euro-Mediterranean Center on Climate Change·JournalClimate Policy·TypeSystematic review·DateFeb 10, 2022

Pusan National University researchers show how radiative coolers can “beat the heat” off solar cells

Pusan National University researchers demonstrate the effectiveness of integrating a radiative cooler with a multi-junction solar cell, achieving a 6°C temperature drop and a 2% increase in open-circuit voltage. This breakthrough could lead to more efficient and eco-friendly solar cells, paving the way for renewable energy sources.

SourcePusan National University·JournalAdvanced Energy Materials·TypeExperimental study·DateFeb 10, 2022

Gene variants increase risk of kidney failure in Black veterans with COVID-19: study

A new study published in JAMA Internal Medicine has found that gene variants increased the risk of acute kidney injury and death in African American veterans hospitalized with COVID-19. The study, which analyzed data from over 850,000 diverse veterans, identified APOL1 variants as a key contributor to this increased risk.

SourceVanderbilt University Medical Center·JournalJAMA Internal Medicine·TypeData/statistical analysis·DateFeb 10, 2022

Illuminating real-time brain dynamics of neuropeptides with a fluorescent biosensor

Scientists have developed a genetically encoded biosensor called OxLight1, which enables them to study the action and release mechanisms of neuropeptides like orexin in living mice. The researchers found that the level of orexin release correlates with neuronal activity, revealing previously invisible aspects of healthy brain function.

SourceUniversity of Zurich·JournalNature Methods·TypeObservational study·DateFeb 10, 2022

Study of U.S. employees defines the odds of COVID-19 reinfection

A new US-based study published in PLOS Biology found that most people who have had COVID-19 are protected against reinfection for at least six months. The research analyzed data from 4,441 SpaceX employees and estimated an odds ratio of 0.14 to 0.28 for reinfection depending on the time period considered.

SourcePLOS·JournalPLOS Biology·TypeObservational study·DateFeb 10, 2022

New planet detected around star closest to the Sun

Astronomers have detected a new planet orbiting Proxima Centauri, the closest star to our Solar System, with a mass comparable to that of Earth. The newly discovered planet, named Proxima d, orbits its star at just five days, within the habitable zone.

SourceESO·JournalAstronomy and Astrophysics·DateFeb 10, 2022

Large majority of citizens trust science

A recent study published in PLOS ONE found that the majority of citizens trust science, with a significant increase in trust since the pandemic began. The study also revealed that educational level is a key factor in shaping trust judgment, and that scientists' intentions and expertise are crucial in maintaining public trust.

SourceUniversity of Münster·JournalPLOS ONE·TypeData/statistical analysis·DateFeb 10, 2022

Newly Identified Protein May Help Diagnose Ulcerative Colitis, Researchers Say

Researchers have discovered a potential new diagnostic marker for ulcerative colitis, identifying high levels of antibodies targeted at endothelial protein C receptors in patients with inflammatory bowel disease. The discovery could lead to the development of non-invasive blood tests to diagnose and track the progression of the disease.

SourceTohoku University·JournalClinical Gastroenterology and Hepatology·DateFeb 10, 2022

Study finds previous COVID-19 infection, but not vaccination, improves performance of antibodies and potentially provides longer-term protection

A study found that previous COVID-19 infection improves the performance of antibodies and potentially provides longer-term protection, especially in obese individuals. In contrast, vaccination does not enhance antibody quality and may not provide sustained immunity in those who have been previously infected or overweight.

Taking a hard line on crime

Researchers argue that a lack of empathy for offenders' incidental harms can hinder criminal justice reform. The study suggests that efforts to reduce character-based judgments could lead to more effective rehabilitation, ultimately reducing recidivism rates.

SourceFlinders University·JournalPsychology Crime and Law·TypeSystematic review·DateFeb 10, 2022

Where mathematics and a social perspective meet data

Researchers used abstracted social ideas to tap into mathematical interplay between distance and cohesiveness in complex data, such as cultural values and regional differences. The study found distinct cultural groups with rich internal network structures, despite analytical challenges posed by cultural diversity.

SourceWake Forest University·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateFeb 10, 2022

Protection from the molecular shredder

Researchers at Heidelberg University have identified a cellular mechanism that prevents protein breakdown in plants, allowing them to stabilize proteins and adapt to environmental conditions. This discovery may have implications for human cell biology and disease prevention.

SourceHeidelberg University·JournalNature Communications·DateFeb 10, 2022

New tool in cancer battle

A new dietary tool can quickly and accurately assess micronutrient levels in oncology patients, helping to find better nutritional solutions for cancer treatment. Tested on 112 patients, the 21-item food frequency questionnaire can identify suboptimal micronutrient intakes in just 10 minutes.

SourceFlinders University·JournalNutrients·TypeExperimental study·DateFeb 10, 2022

Proportion of women reporting side-effects after the 1st, 2nd or 3rd dose of the Pfizer vaccination almost twice (1.9 times) that among men

A recent study published in Vaccines found that the proportion of women reporting side-effects after Pfizer vaccinations is almost twice that of men. The highest frequencies of side-effects were reported after the second vaccination, with pain in the entire arm and weakness being notable examples.

SourceUniversity of Haifa·JournalVaccines·DateFeb 10, 2022

Henry Ford Health System study finds high mortality associated with acute kidney injury

A study by Henry Ford Health System found that one in four patients who developed acute kidney injury (AKI) die within a year, emphasizing the urgent need for improved treatments. The study analyzed data from over 1.6 million U.S. Veterans hospitalized between 2008 and 2017, providing valuable insights into AKI-associated mortality.

SourceHenry Ford Health·JournalClinical Journal of the American Society of Nephrology·DateFeb 10, 2022

Undernourished infants at risk for lung restriction, weaker health as adults, UArizona Health Sciences study finds

Researchers found three risk factors linked to adult spirometric restriction: maternal nutritional problems during pregnancy, low birth weight, and below normal childhood weight. Infants with poor nutrition have a higher risk of developing lung restriction and comorbidities as adults.

SourceUniversity of Arizona Health Sciences·JournalThe Lancet Respiratory Medicine·TypeObservational study·DateFeb 10, 2022

Men with high levels of body fat may be at risk for osteoporosis

A new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism has found that men with high levels of body fat are more likely to have lower bone density and an increased risk of fractures. The researchers analyzed data from over 10,800 people under 60 years old and found a strong positive association b...

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 10, 2022

From matter to antimatter, to and fro – trillions of times a second

Physicists have measured the oscillation frequency of Bs0 mesons with unprece­dented accuracy, revealing that they oscillate between matter and antimatter three trillion times per second. This measurement agrees with quantum mechanics predictions and narrows search areas for particles undescribed by the Standard Model.

Insight into the genetics of autism offers hope for new drug treatments

Researchers at Lancaster University have identified a genetic change that impacts insulin signaling and glucose metabolism in the brain, which may lead to effective drug treatments for autism. The study found that individuals with a specific DNA deletion are more likely to develop neurodevelopmental disorders, including autism.

SourceLancaster University·JournalAutism Research·TypeData/statistical analysis·DateFeb 10, 2022

Computing carbon storage

A University of Texas researcher used supercomputers to understand how CO₂ storage works at the level of micrometer-wide pores in rock, finding that wettability and injection rate are crucial factors. Her research aims to optimize CO₂ storage for a large-scale transition away from fossil fuels.

SourceUniversity of Texas at Austin, Texas Advanced Computing Center·JournalInternational Journal of Greenhouse Gas Control·TypeComputational simulation/modeling·DateFeb 10, 2022

Economic pressure and stress caused by poverty directly impacts children as well as parents

A study led by Yekaterina Chzhen at Trinity College Dublin found that poverty directly affects both children and parents, leading to economic pressure and psychological distress. This challenges mainstream theoretical models of poverty and calls for a more nuanced understanding of the impact of economic hardship on families.

SourceTrinity College Dublin·JournalJournal of Marriage and Family·TypeSurvey·DateFeb 10, 2022

A star in the world of ceramic engineering

Scientists created new material design principles by studying the complex structure of starfish skeletons. The unique lattice architecture offers mechanical protection, enabling high strength and flexibility while maintaining buoyancy regulation.

SourceVirginia Tech·JournalScience·DateFeb 10, 2022

Study finds global media repeated pandemic xenophobia, also global efforts to fight it

A University of Kansas study analyzed 451 news articles from major publications and found that media worldwide reported on the pandemic as a racial threat, often blaming China or Asia. The study highlights the importance of responsible language in media coverage to avoid perpetuating xenophobia and discrimination.

SourceUniversity of Kansas·JournalAnalyses of Social Issues and Public Policy·TypeContent analysis·DateFeb 10, 2022

Gene important in soybean protein content found after 30-year search

University of Illinois researchers found a key gene responsible for increasing soybean protein content by approximately 2%. The discovery could lead to significant increases in protein production, addressing global food security issues. However, the gene's function is unclear and may involve the plant's circadian machinery.

Facial analysis improves diagnosis

Researchers developed an AI system called GestaltMatcher that uses facial characteristics to detect rare diseases with high accuracy. The system considers similarities between patients and can even suggest diagnoses for previously unknown diseases.

SourceUniversity of Bonn·JournalNature Genetics·DateFeb 10, 2022

Chinese Satellite implicates global air quality during the COVID-19 pandemic

A Chinese satellite monitored a significant decrease in nitrogen dioxide emissions globally during the COVID-19 pandemic, with some cities experiencing sharp reductions after lockdown measures were implemented. The study also found decreases in formaldehyde and increases in volatile organic compounds in some regions.

Spatial training with blocks and puzzles could unlock the UK's mathematical potential

A new study from the University of Surrey found that teaching spatial skills, particularly with physical manipulatives, improves mathematics performance. The research suggests that spatial reasoning training could be a novel avenue for improving STEM skills, potentially addressing the UK's significant shortfall in workers.

SourceUniversity of Surrey·JournalDevelopmental Psychology·TypeMeta-analysis·DateFeb 10, 2022

Researchers reveal largest catalogue of gene activators

A team of researchers has identified over 250 gene activators in human cells, expanding our understanding of transcriptional regulation and its role in cancer. The study also reveals new insights into how proteins interact with each other to regulate gene expression, potentially leading to the development of targeted therapies.

SourceUniversity of Toronto·JournalMolecular Cell·TypeExperimental study·DateFeb 10, 2022

Preoperative prescribing of opioids in US

A US study analyzed opioid prescribing patterns before surgery, revealing that approximately 44% of patients received opioids as preoperative medication. The analysis spanned over a decade and examined the trend's impact on patient outcomes and potential risks.

SourceJAMA Network·JournalJAMA Network Open·DateFeb 10, 2022

The Lancet Public Health: Substantial increase in life-saving opioid overdose intervention urgently needed in almost every US state

The study found significant gaps in naloxone access and distribution across the US, with state-specific needs varying by epidemic type and distribution pathways. Community-based and pharmacy-initiated access points were more effective in reducing fatal opioid overdoses.

SourceThe Lancet·JournalThe Lancet Public Health·TypeComputational simulation/modeling·DateFeb 10, 2022

How life came to Earth

A research team led by Dr. Serge Krasnokutski has discovered a reaction pathway that can form peptide chains under cosmic conditions without water. This finding suggests that the origin of peptides could be extraterrestrial in nature, challenging the conventional assumption that life emerged on Earth.

SourceFriedrich-Schiller-Universitaet Jena·JournalNature Astronomy·TypeExperimental study·DateFeb 10, 2022

New assay shows promise for advancing personalized cancer treatment

Researchers have developed a rapid and affordable test to identify specific genetic mutations in cancer cells using SuperSelective PCR primers. This assay can detect rare mutations, enabling targeted therapy and monitoring minimal residual disease. The study demonstrates the potential of this approach for personalized cancer treatment.

SourceElsevier·JournalJournal of Molecular Diagnostics·TypeExperimental study·DateFeb 10, 2022

Open for single workers only? Point-based immigration increases poverty risks for migrant families

A new study by the University of Southampton finds that skilled overseas workers with families face a higher risk of poverty than UK workers and their net incomes are lower under the UK's points-based immigration system. The researchers warn that this could make the UK less attractive for overseas workers who could fill skills gaps.

SourceUniversity of Southampton·JournalJournal of Poverty and Social Justice·TypeData/statistical analysis·DateFeb 10, 2022

States increasingly require employers to provide paid sick leave— but even more states block local paid sick policies

A growing number of US states have passed laws requiring employers to provide paid sick leave, with 27.6% of jobs covered as of 2019. However, some states block local governments from creating their own regulations, exacerbating health disparities and leaving low-wage workers without access to benefits.

SourceNew York University·JournalAmerican Journal of Preventive Medicine·DateFeb 10, 2022

European diets need to change to reduce climate impact

A new study finds that European diets must change to reduce climate impact, with feeding livestock low-opportunity-cost biomass offering a 31% reduction in greenhouse gas emissions. The EAT-Lancet diet, which recommends reducing animal-source foods like red meat, is at odds with circular food systems that prioritize land use efficiency.

SourceCornell University·JournalNature Food·DateFeb 10, 2022