Researchers have created two novel heat recovery systems for LNG ships, boosting energy efficiency by up to 25%. The systems use the organic Rankine cycle (ORC) to recover heat from engine exhaust gas, with substantial improvements in performance depending on fluid combinations.
A survey of opioid treatment program leaders reveals reluctance to allow take-home methadone despite federal guidelines easing during the COVID-19 pandemic. Many programs still require patients to come in for in-person administration, citing stigma and concerns over overdose risk.
Researchers create a graphene transistor that produces sonic boom and Doppler-shifted sound waves, offering new insights into this material's potential for nanoscale electronic technologies. The study also discovers a quantum mechanical analogue of the Doppler effect and the Landau velocity effect.
In chronic damage, new cholesterol production determines the efficiency of repair, with nerve cells contributing to replenishing myelin-forming cells. Treatment with a cholesterol-enriched diet enhances oligodendrocyte progenitor cell proliferation.
A study of over 780,000 US Veterans found SARS-CoV-2 vaccine protection declined by 41% and 13% against infection for mRNA and viral vector vaccines, respectively. Despite this, Pfizer-BioNTech and Moderna vaccines remained highly effective in preventing death.
Researchers analyzed comprehensive metabolomic data to identify metabolic profiles distinguishing sarcopenia from frailty. The study found 22 sarcopenia markers that are largely distinct from 15 frailty markers, suggesting a shared metabolic basis for these two age-related diseases.
A NASA study published in Nature Food projects that climate change will affect crop yields as early as 2030. Maize yields are projected to decline by 24%, while wheat yields could increase by 17%. The changes are due to rising temperatures, shifting rainfall patterns, and elevated carbon dioxide concentrations.
Scientists have developed a technique called crystal capillary origami, where salt crystals form into spherical shells to enclose water-oil emulsions. The process utilizes Laplace pressure to drive the crystallite plates to cover the surface of the liquid.
Theoretical physicists modelled the region around M87's supermassive black hole, confirming that gravity plays a key role in accelerating particles out to thousands of light years. The findings provide further evidence for Einstein's theory of general relativity and its application to astrophysical phenomena.
Studies show that non-invasive breathing support like CPAP and high-flow nasal oxygen do not produce more air/surface viral contamination than simple oxygen therapy. Coughing produces the most aerosol, prompting a call for reevaluation of infection control measures for these respiratory support methods.
A new study published in Science assesses updated climate pledges and finds they could limit global warming to 2 degrees Celsius with a 34% chance. Even more ambitious targets would increase the likelihood of staying below 1.5 degrees Celsius.
A new study found that QFR-guided PCI resulted in lower one-year rates of heart attack and a lesser chance of needing additional PCI, with a 35% reduction in mortality. The technology helped eliminate unnecessary stents and identified more obstructive lesions.
Researchers at Rockefeller University identified SLC25A39 as a transporter protein that brings glutathione, the body's major antioxidant, into cell mitochondria. This discovery opens new avenues for studying oxidative stress and its role in diseases like cancer and neurodegeneration.
A cross-national field experiment found no gender discrimination against young women in hiring processes for female-dominated occupations. In contrast, men were discriminated against in Germany, the Netherlands, Spain, and the UK, with a 5-9% lower chance of receiving feedback on their applications.
Researchers at University of Maryland School of Medicine's Institute of Human Virology will use the grant to collect and analyze COVID-19 and HIV data from Nigeria and South Africa. The INFORM Africa project aims to provide new insights into virus mobility and impact, enabling governments to better respond to pandemics.
Researchers at the University of Gothenburg discovered a new chemistry involving water-soluble particle surfaces, which may be useful for sewage treatment and other industrial applications. The study found that these surfaces can absorb water and dissolve, promoting previously undiscovered chemical reactions.
A new study on Bardet-Biedl syndrome reveals that defective primary cilia can broadcast signals that worsen symptoms, including kidney problems and intellectual disabilities. Cilia play a crucial role in regulating intercellular communication, and their malfunctioning is responsible for various inherited disorders.
Researchers found that combining selinexor with olaparib induces robust anti-tumor activity in vitro and in vivo in triple negative breast cancer cell lines. The combination therapy overcomes the poor prognosis associated with TNBC, characterized by low disease-free and overall survival rates.
A recent study published in eLife found that limiting inflammation at the time of vaccination may boost immune responses in older people. The researchers discovered that pro-inflammatory signalling pathways negatively impact an optimal vaccine response in older individuals.
A study suggests that suppressing the protective mechanisms of rogue blood stem cells can help curb clonal hematopoiesis and prevent leukemia. The researchers used zebrafish with colored 'barcodes' to track the dominance of cancerous clones, revealing a connection between anti-inflammatory genes and resistance to inflammation.
A study published in Conservation Biology found that forests surrounding rivers flowing into the sea increase the diversity of threatened fish species in Japan's estuaries. In contrast, waters surrounded by agricultural land show a decrease in fish populations.
A global study reveals that reducing nitrogen compounds' contribution to PM2.5 air pollution is the most cost-effective measure to improve public health, with a cost of $1.5 per kg of NH3-N compared to $6.9 per kg for NOx-N abatement.
A study of 780,225 Veterans found that protection against COVID-19 declined by 38.8% from February to October 2021 for all vaccine types, with overall vaccine protection declining from 87.9% to 48.1%. Vaccination remained protective against death in those who became infected during the Delta surge.
A study published in Frontiers in Psychiatry reveals that older psychiatric patients are more likely to be restrained in non-emergency situations than younger adults. The research examined over 226,000 Ontario inpatient records and found a significant association between age, risk of falls, physical disability, and psychiatric symptoms...
The ngVLA received high priority for construction, with a dense core and signal processing center at the VLA site. The system will have greater sensitivity and resolving power than current facilities, complementing US-ELT and James Webb Space Telescope.
Researchers have successfully demonstrated laser emission from ultra-thin crystals consisting of three atomic layers, a breakthrough that could lead to miniaturized circuits and future quantum applications. The discovery showcases the potential of these materials as a platform for new nanolasers capable of operating at room temperature.
Astronomer Dr. Lauri Jetsu discovers multiple new companion star candidates for the eclipsing binary Algol AB, with orbital periods between 20 and 219 years. The companions are too faint to be detected by modern space telescopes, but their periodic signals can predict observed O-C changes.
Researchers found that a new approach using dual additives can optimize morphology for high-performance organic solar cells. The study shows a remarkable power-conversion efficiency of 17.74% with a high fill factor, demonstrating promising results.
A new Dartmouth-led study found a direct association between the infant microbiome and early childhood behavioral health, with sex-specific differences. The study characterized the species of microbes present in each participant's gut and their functions, establishing that microbiome changes occur before behavioral changes.
Researchers found that blocking nerve growth factor can prevent heterotopic ossification, a challenging condition where bone abnormally grows in soft tissue during healing. The study suggests that pain-relief drugs currently being tested could also protect against this condition.
Researchers identified 33 studies that integrated smart device technology, including Bluetooth low-energy beacons and LIDAR scanning. However, limited information was found on participant's visual acuities or etiologies, limiting the usability of the findings for this heterogeneous population.
A new review highlights the complexity of vaccinating children under 12 years against COVID-19, weighing risk and benefit. The review suggests that further data is needed to confirm the vaccine's effectiveness in preventing disease in this age group.
Low-risk gamblers in Massachusetts reported the majority of gambling harms, confirming the 'prevention paradox' phenomenon. The study suggests targeting public health efforts towards primary prevention to reduce community harm.
Researchers discovered that a single protein, Kr-h1, responds to socially regulated hormones to orchestrate the complex social transition in Harpegnathos saltator ants. The study reveals important roles for gene regulation and hormone response in controlling animal brains' plasticity.
A new technology uses compressed coal blocks to purify seawater and produce fresh water, potentially benefiting millions of people worldwide. The system is powered by sunlight and can produce enough water for a family of four, making it a viable solution for economic water shortages.
A new study documents Nigeria's significant involvement in the transnational illegal trade of wild pangolins, with an estimated 800,000 to nearly a million animals trafficked between 2010 and 2021. The study suggests that anti-trafficking policies may be mismatched due to potential underestimation of scale.
A new nine-state regional coalition will develop and provide hands-on training, exercises, and materials for students and professionals to protect critical infrastructure from computer attacks. The coalition aims to grow a skilled workforce in the region's rural areas.
A new study by Anglia Ruskin University found that individuals focused on their appearance are more prone to social physique anxiety, which leads to fear of negative evaluations and social distress in dating contexts. The research involved 501 young adults and discovered associations between body image attitudes and dating anxiety.
Adding ibrutinib to standard chemotherapy regimens can improve survival in younger patients with specific genetic subtypes of non-GCB DLBCL, with MCD and N1 subtypes showing exceptional response rates. However, older patients did not benefit from the treatment combination.
Scientists analyze high-order harmonic generation in solids to understand the underlying mechanism of electron/hole collisions with neighboring atoms. The study maps collision information into the band structure, paving the way for controlling and visualizing electron dynamics.
Recent advances in radiocarbon knowledge have improved our understanding of climate processes, solar activity, geophysics, and the carbon cycle. Researchers developed a more detailed record of atmospheric radiocarbon extending back 55,000 years, helping to understand Earth's past and project future changes.
Plant pathologists have developed a set of Nursery Phytophthora Best Management Practices to eradicate the harmful organisms from nursery stock. Through testing and accreditation programs, nurseries that comply with the guidelines have shown no detectable Phytophthora infection in their stock, enabling habitat restoration plantings.
Researchers found that fluorinated compounds in ski wax alter the brains of bank voles, causing hormonal disorders and changes in dopamine levels. In contrast, laboratory mice showed no significant effects on hormone levels but had larger livers due to PFAS exposure.
Reducing ammonia emissions is more cost-effective than focusing solely on nitrogen oxide reduction for mitigating PM2.5 air pollution. The abatement cost of ammonia emission is only 10% of that required to eliminate equivalent NOx emissions, making it a priority for global health and environmental concerns.
Researchers at UC Santa Barbara successfully reconstructed a Bloch wavefunction from physical measurements, shedding light on electron behavior in materials. The team's method, using a terahertz laser and infrared excitation, overcomes previous challenges in measuring wavelike properties.
A new study from the University of Montana's Flathead Lake Biological Station reveals how invasive lake trout disrupt native food webs, forcing native fishes to feed on suboptimal sources and causing the loss of threatened species like bull trout. The research shows that lake trout can create divergent biological communities over time.
The research team proposes a method to fabricate a refractive index sensor using perfluoropolymer fiber and single mode-m multimode-single mode (SMS) structure, which achieves high sensitivity. The experimental results show that the refractive index sensitivity is -219.504 dB/RIU.
Researchers found a clear link between people's expectations and actual vaccine side effects, suggesting that psychological factors can predict which individuals will experience more symptoms. The study aims to help overcome lingering vaccine hesitancy by reframing the way we think about side effects.
A new study combines water-quality data with satellite imagery to estimate the full extent of water-quality degradation from mountaintop removal mining. The research found that chronic and acute toxicity thresholds for chemicals were exceeded thousands of times in areas far removed from mines.
The Nordic countries' shadow education system has flourished due to a competitive global knowledge economy. Despite being underexplored, research provides insights into its emergence and sociocultural implications. The special issue sheds light on the Nordic model's erosion and persistence in the face of shadow education.
FAU researchers custom-build multi-sensor tag combined with AI to observe goliath grouper species in the wild. The study identified 13 behaviors, including hovering, forward swimming, and vocalizations, using video footage from the tags.
Research from the University of Auckland finds that people who experienced four or more adverse childhood events have almost three times more poor mental health than those with none. The study also links specific types of adversity to increased risks of chronic physical health problems and health issues like heart disease and asthma.
Researchers at ETH Zurich have developed a plant that can produce carbon-neutral liquid fuels from sunlight and air. The technology has been tested successfully and is now mature enough for industrial applications.
The NIH emphasizes the need to engage with vulnerable communities in research design and implementation to ensure safe in-person schooling during COVID-19. This approach addresses significant gaps in previous studies conducted primarily in affluent neighborhoods.
Researchers used a machine learning algorithm to identify the likely source of a group of Martian meteorites, finding that they originated from Mars' Tooting crater. The study provides new insights into Mars' volcanic past and geological context, with potential benefits for industry sectors on Earth.
Researchers have discovered that a low-dose oral compound, HBI-002, can safely reduce oxidative stress and inflammation in the retina, common causes of diabetic retinopathy. The study suggests that small amounts of carbon monoxide may help protect vision in diabetes patients.
New research identifies coffee metabolites that may affect kidney disease risk, with some associated with higher risks of chronic kidney disease. The study found 3 metabolites linked to increased CKD risk: glycochenodeoxycholate, O-methylcatechol sulfate, and 3-methyl catechol sulfate.
Researchers will identify and track SARS-CoV-2 variants using genomic sequence analyses. The project aims to understand the emergence and spread of the virus in West Virginia, helping public health officials prepare for future outbreaks.
Seagrasses have a symbiotic relationship with bacterial partners that convert nitrogen gas into a form the plants can use, allowing them to thrive in nutrient-poor habitats. This unique partnership enables seagrasses to reach their largest growth during summer months when nutrients are scarce.
A new poll reveals that most people over 50 have received or plan to receive flu shots, with a majority also planning to get additional COVID-19 vaccine doses. The poll highlights differences in vaccine attitudes among older adults of different age groups and backgrounds.