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Science News for April 22, 2022


Changes in postpartum insurance coverage during pandemic

Researchers found a notable decline in postpartum insurance loss during the pandemic, primarily due to growing Medicaid enrollment. The study suggests that large increases in consistent Medicaid coverage contributed to this trend.

SourceJAMA Network·JournalJAMA Health Forum·DateApr 22, 2022

Rocket launch data helps verify presence of atmospheric acoustic duct

Researchers verified the existence of an atmospheric acoustic duct using rocket launch data. Infrasound signals were detected within the duct, related to a Blue Origin rocket launch in April 2021. The duct may channel a variety of natural and anthropogenic sounds, including signals from earthquakes and ground explosions.

SourceSeismological Society of America·DateApr 22, 2022
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Baby-OSCAR trial evaluates if selective early treatment of PDA reduces death or BPD at 36 weeks in extreme preterm babies

Researchers found no evidence that early selective treatment with ibuprofen reduces death or moderate to severe bronchopulmonary dysplasia in extreme preterm infants. However, treatment reduced the risk of an open patent ductus arteriosus and surgical treatment for a symptomatic PDA.

SourcePediatric Academic Societies·TypeRandomized controlled/clinical trial·DateApr 22, 2022

Using satellite data to improve a model’s interpretation of albedo improves snowfall simulations on the Tibetan Plateau

Researchers used satellite spectral albedo data to develop a scheme that optimizes albedo parameters at the local level, significantly reducing model albedo overestimation and improving snowfall simulations. This improves the accuracy of water cycle modeling on the Tibetan Plateau.

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

Making 3D printing truly 3D

A group of researchers from Harvard University developed a novel technique to print entire volumes without support structures, eliminating the limitations of traditional layer-by-layer approach. By using an upconversion process and nano capsules, they create self-supporting resin that hardens in three dimensions.

SourceHarvard University·JournalNature·TypeExperimental study·DateApr 22, 2022

Federal research funding has positive ‘ripple effects’

A new study by Ohio State University researchers found that federal research funding has a positive 'ripple effect', stimulating investigations in new areas and providing unexpected benefits. The study showed that funding mostly goes to hiring people who work on the projects, leading to an increase in productivity and quality of research.

SourceOhio State University·JournalScience Advances·TypeData/statistical analysis·DateApr 22, 2022
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Topological synchronization of chaotic systems

Physicists discovered that chaotic systems can synchronize due to the emergence of stable fractal structures. As systems are coupled, these fractals assimilate, causing synchronization. Strong coupling leads to complete synchronization through the 'Zipper Effect', where dominant fractals become identical.

SourceBar-Ilan University·JournalScientific Reports·DateApr 22, 2022

Freshwater habitats are fragile pockets of exceptional biodiversity

A new study reveals that freshwater habitats have the highest animal species richness per area, with more than 99% of known animal species inhabiting land and 12% ocean habitats. The research suggests that preserving freshwater ecosystems can protect more species and evolutionary history.

SourceUniversity of Arizona·JournalEcology Letters·TypeData/statistical analysis·DateApr 22, 2022

Rice trains postdocs for nano-cancer future

Rice University and MD Anderson Cancer Center will train future medical professionals to translate nanotechnology advances to the clinic, focusing on cancer diagnosis and treatment. The five-year program aims to recruit 16 fellows from underrepresented groups.

SourceRice University·DateApr 22, 2022

Postpartum insurance loss decreased during COVID-19 pandemic, study finds

A new study by Brown University found that postpartum insurance loss decreased significantly during the COVID-19 pandemic. Consistent Medicaid coverage among postpartum participants increased during the pandemic, suggesting that the Families First Coronavirus Response Act was a primary factor in reducing postpartum Medicaid loss.

SourceBrown University·JournalJAMA Health Forum·TypeObservational study·DateApr 22, 2022
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Breakthrough in estimating fossil fuel CO2 emissions

A team of scientists from the University of East Anglia has developed a new method to estimate regional fossil fuel CO2 emissions more accurately and in near real-time. Using atmospheric measurements of O2 and CO2, they can detect changes in emissions with higher frequency and provide valuable insights for climate change policies.

SourceUniversity of East Anglia·JournalScience Advances·TypeData/statistical analysis·DateApr 22, 2022

Nanoclusters self-organize into centimeter-scale hierarchical assemblies

A Cornell-led project has created synthetic nanoclusters that can mimic the hierarchical self-assembly of natural systems, from DNA to butterfly wings. The resulting thin films have perfect periodic patterning and chiral optical properties, opening up new avenues for developing technologies inspired by nature.

SourceCornell University·JournalNature Materials·DateApr 22, 2022
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Research shows how people perceive gender through speech

A study by New York University researchers found that people perceive gender through speech, particularly when using binary terms like 'female' and 'male', which are more distinct from 'feminine' and 'masculine'. The study used a rating scale to assess listeners' perceptions of speakers' genders.

SourceNew York University·JournalJournal of Speech Language and Hearing Research·TypeExperimental study·DateApr 22, 2022

New hardware integrates mechanical devices into quantum tech

Researchers have developed a key experimental device for future quantum physics-based technologies by coupling nanomechanical oscillators with qubits. This enables the manipulation of quantum states in mechanical oscillators, generating quantum mechanical effects that could empower advanced computing and precise sensing systems. The de...

SourceStanford University·JournalNature·DateApr 22, 2022

A calorie-reduced diet can not only delay the development of diabetes, but also has a positive effect on the immune system

A recent study published in Microbiome found that a calorie-reduced diet can alter the gut microbiome, improving metabolism and delaying immune senescence. Researchers used a low-calorie diet to investigate its effects on the gut microbiome and its impact on metabolism and the immune system.

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalMicrobiome·TypeRandomized controlled/clinical trial·DateApr 22, 2022

Obsession with failure and hunt for perfection linked to burnout, sports study uncovers

A University of Essex-led study found that athletes who fixate on their mistakes and strive for perfection are at risk of psychological difficulty. The research suggests that perfectionistic concerns can lead to athlete burnout, causing them to view achievements as inadequate and create a self-fulfilling performance prophecy.

SourceUniversity of Essex·JournalJournal of Clinical Sport Psychology·TypeSurvey·DateApr 22, 2022
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Some cases of long COVID-19 may be caused by an abnormally suppressed immune system, UCLA-led research suggests

A UCLA-led team found that an abnormally suppressed immune system, not a persistently hyperactive one, may be to blame for some cases of long COVID-19. The study suggests boosting immunity in those individuals could be a treatment option.

SourceUniversity of California - Los Angeles Health Sciences·JournalClinical Infectious Diseases·TypeRandomized controlled/clinical trial·DateApr 22, 2022
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

UCI scientists turn a hydrogen molecule into a quantum sensor

Physicists at UCI have developed a technique to measure electrostatic properties of materials with unprecedented resolution. By using a hydrogen molecule as a quantum sensor, researchers can detect changes in its quantum states and create atomic-scale images of samples.

SourceUniversity of California - Irvine·JournalScience·TypeExperimental study·DateApr 22, 2022

Why is there no Uber for live music?

A study by Cornell University researchers found that live music platforms face difficulties in valuing intangible qualities, managing complex tasks, and achieving economies of scale. This is due to the industry's fragmented nature, with different types of gigs requiring unique expectations from clients.

SourceCornell University·JournalNew Technology Work and Employment·DateApr 22, 2022
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

What can deep diamonds tell us about deep earthquakes?

Studies of deep diamonds provide evidence of fluids carried by subducted slabs, suggesting that fluids can no longer be ignored in the story of deep earthquake generation. The diamonds' distinctive chemistry and inclusions indicate a connection to organic material and serpentinized mantle peridotite.

SourceSeismological Society of America·DateApr 22, 2022

Understanding arteriosclerosis: How blood vessels restructure under pressure

High blood pressure can cause long-lasting changes in the structure of vascular smooth muscle cells, stiffening arterial walls and increasing the risk of cerebrovascular disease. Researchers found that a signaling pathway triggered by E–T coupling is involved in this process, leading to inflammation and vascular remodeling.

SourceNagoya City University·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateApr 22, 2022
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

The physics of a singing saw

The study reveals the sing saw uses a surprising effect to create its distinct tone: when curved into an S-shape, energy vibrates in a confined area producing a clear, long-lasting sound. This principle can be applied to design high-quality resonators for various applications.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalProceedings of the National Academy of Sciences·DateApr 22, 2022

Pushing the boundaries of space exploration with X-ray polarimetry

The Imaging X-ray Polarimetry Explorer (IXPE) mission enables new measurements of cosmic X-ray sources, such as pulsars, black holes, and neutron stars. With its state-of-the-art telescopes and detectors, IXPE will provide high-quality polarization data of various sources, including supernova remnants, active galaxies, and blazars.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Astronomical Telescopes Instruments and Systems·DateApr 22, 2022

Women and lower-income patients have higher rates of death after heart surgeries

A study published in The Journal of Thoracic and Cardiovascular Surgery found that female patients and those from lower-income neighborhoods have higher mortality rates following cardiovascular and thoracic procedures. Patients in these groups also experienced higher comorbidity burdens, urgent admissions, and poorer health outcomes.

SourceBrigham and Women's Hospital·JournalJournal of Thoracic and Cardiovascular Surgery·DateApr 22, 2022
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Jiminy's wings turned out as fine as his conscience

A study by Kyoto University reveals that crickets' wings form from the lateral tergum of their wingless ancestors. The researchers used gene knockouts and microsurgery to identify key cell types involved in wing formation.

SourceKyoto University·JournalNature Communications·TypeExperimental study·DateApr 22, 2022
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Scientists design learning-enabled safe control for systems in uncertain environments

Researchers at Michigan State University have designed a learning-enabled safe controller for systems operating in uncertain environments. The new method, which combines control barrier functions and Lyapunov functions, allows the system to quickly learn uncertainties while achieving maximum safe performance.

SourceChinese Association of Automation·JournalIEEE/CAA Journal of Automatica Sinica·DateApr 22, 2022

A roadmap for deepening understanding of a puzzling universal process

Researchers propose multiple plasmoids could bridge the vast range of scales in magnetic reconnection, enabling more credible simulations and high-fidelity experiments. The coming experiments will use exascale supercomputers and multiscale laboratory facilities to study reconnection in nature more faithfully.

SourceDOE/Princeton Plasma Physics Laboratory·JournalNature Reviews Physics·TypeObservational study·DateApr 22, 2022
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

High output voltage

Researchers have developed organic sulfonamides as a flexible and stable material for proton battery cathodes, achieving higher output voltages than conventional cathodes. The new material is also easy to manufacture, stable under standard conditions, and non-toxic.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateApr 22, 2022

Fiber optic sensing tracks sea ice formation in Arctic waters

Researchers deployed a fiber-optic-based sensing system to track sea ice formation in the Beaufort Sea, demonstrating a new method for near-real-time monitoring. The technology used distributed acoustic sensing (DAS) to observe changes in seismic waves caused by sea ice formation and break-up, providing insights into the Arctic's health.

SourceSeismological Society of America·DateApr 22, 2022

Estimated public health impact of COVID-19 vaccination in California

A recent study published in JAMA Network Open estimates that COVID-19 vaccination in California resulted in significant public health impacts, preventing over 1.5 million cases and 72,000 hospitalizations. The study also found that vaccination led to 19,000 deaths during the first 10 months of vaccination.

SourceJAMA Network·JournalJAMA Network Open·DateApr 22, 2022
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

COVID-19 vaccine protection against hospitalization wanes

A recent study by Kaiser Permanente found that the Pfizer COVID-19 third dose vaccine provides strong protection against hospital admissions and emergency department visits in the first few months. However, this protection wanes over time, even after a third dose, against omicron variants.

SourceKaiser Permanente·JournalThe Lancet Respiratory Medicine·DateApr 22, 2022

Two largest marsquakes to date recorded from planet’s far side

Researchers from InSight's Marsquake Service have detected two massive marsquakes on Mars' far side, with magnitudes 4.2 and 4.1. The events provided unique insights into the planet's core-mantle boundary and offered a glimpse into previously unexplored regions of Mars.

SourceSeismological Society of America·JournalThe Seismic Record·TypeObservational study·DateApr 22, 2022

New factors that can predict breast cancer recurrence defined

Researchers at Georgetown University Medical Center have discovered new genetic and cellular factors that can determine breast cancer recurrence. The study's findings have the potential to improve treatment choices and screening methods, and may also benefit women who have not had breast cancer.

SourceGeorgetown University Medical Center·JournalScientific Reports·TypeExperimental study·DateApr 22, 2022

New study examines COVID-19 vaccine hesitancy and uptake in autism community

A new study examines factors associated with COVID-19 vaccine hesitancy and uptake in the autism community, revealing that early skepticism waned over time. The majority of caregivers eventually received the vaccine following FDA approval. Firmly held vaccine-hesitant beliefs influenced a minority of autism spectrum disorder caregivers.

SourcePediatric Academic Societies·DateApr 22, 2022
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Water processing: light helps degrade hormones

A new technology developed by KIT researchers uses polymer membranes coated with titanium dioxide to break down steroid hormones and other micropollutants in wastewater. The process is efficient, removing hormone concentrations close to the World Health Organization's drinking water guideline.

SourceKarlsruher Institut für Technologie (KIT)·JournalNature Nanotechnology·TypeExperimental study·DateApr 22, 2022

Light-controllable time-domain metasurface for dynamic harmonic manipulation

Researchers developed a light-controllable time-domain digital coding metasurface that can manipulate microwave reflection spectra by time-varying light signals. The metasurface platform produces harmonics based on phase modulation, generating symmetrical harmonics and white-noiselike spectra.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics·DateApr 22, 2022
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Discovery sheds light on why the Pacific islands were colonized

Researchers have discovered new evidence that sheds light on the initial expansion of the Lapita people throughout Papua New Guinea, revealing a more extensive dispersal than previously thought. The study found distinct markings on pottery, new tool technologies, and animals such as pigs introduced to the region by Lapita people.

SourceAustralian National University·JournalNature Ecology & Evolution·TypeSurvey·DateApr 22, 2022

How should long COVID patients be assessed?

Researchers at the University of Malaga developed an assessment proposal for Long COVID patients, focusing on individualized treatment based on predominant symptoms and physical function. The approach aims to address controversy surrounding exercise therapy for these patients.

SourceUniversity of Malaga·JournalMedical Hypotheses·TypeLiterature review·DateApr 22, 2022
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Nuclear expert cautions against unfamiliar new nuclear age

A new research paper by Andrew Futter, Professor of International Politics at the University of Leicester, warns of a 'Third Nuclear Age' due to advancements in nuclear weapons technology. The 'Third Nuclear Age' could fundamentally change the rules on nuclear order and stability, posing significant risks to global security.

SourceUniversity of Leicester·DateApr 22, 2022
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Lesser known ozone layer’s outsized role in planet warming

Research reveals that tropospheric ozone contributes more to the Southern Ocean's warming than previously thought. This finding highlights the importance of reducing air pollution to mitigate ocean heat uptake and climate change.

SourceUniversity of California - Riverside·JournalNature Climate Change·DateApr 22, 2022

The deformation of the hydrogel is used to measure the negative pressure of water

Scientists at Wuhan University developed a non-contact optical characterization method to detect negative water pressure in microfluidic systems. By analyzing the deformation of hydrogel surfaces, they derived the exact value of negative pressure. This innovation has potential applications in mapping dynamic flow and heat transfer.

SourceHigher Education Press·JournalFrontiers of Optoelectronics·TypeExperimental study·DateApr 22, 2022
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Marine mollusc shells reveal how prehistoric humans adapted to intense climate change

A study of ancient shell remains found at El Mazo cave site reveals that prehistoric humans in Europe adapted to a 1,500-year cold period by exploiting different mollusc species and avoiding overfishing. This research provides insights into human responses to climate change and its impacts on marine environments.

SourceUniversitat Autonoma de Barcelona·JournalScientific Reports·TypeExperimental study·DateApr 22, 2022

Graph convolution machine for context-aware recommender system

A new model, GCM, uses graph neural networks to capture user behavior interactions and factorization machine to model feature interactions, demonstrating effectiveness on public datasets. The research advances context-aware recommender systems by leveraging graph learning for strong user and item representations.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateApr 22, 2022

New miniature heart could help speed heart disease cures

Researchers have engineered a tiny living heart chamber replica to study disease progression and test new treatments. The miniPUMP device mimics the real organ's mechanics, allowing for accurate tracking of how the heart grows in embryos and studying the impact of disease.

SourceBoston University·JournalScience Advances·DateApr 22, 2022

Preliminary study finds organic vegetables contaminated with wide range of disease-causing microbes

A preliminary study found that organic leafy greens are susceptible to contamination with disease-causing bacteria and protozoa, including Pseudomonas, Salmonella, and Helicobacter. The presence of these pathogens inside free-living amoebae suggests a potential risk to public health through contaminated organic vegetables.

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·DateApr 22, 2022
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

New study evaluates current neonatal resuscitation guidelines

The study compares current recommendations for ventilation and chest compression versus ventilation during neonatal resuscitation using an ovine model. The findings suggest that optimizing ventilation could reduce the need for chest compressions and improve gas exchange in neonates, potentially improving overall outcomes.

SourcePediatric Academic Societies·TypeRandomized controlled/clinical trial·DateApr 22, 2022

Fluid flow stimulates chemosynthesis in a Greek salad of hydrothermal microbes

A new study reveals that fluid flow in Paliochori Bay's shallow-water hydrothermal system supports high rates of chemosynthetic production, with microbes adapting quickly to changing conditions. The study finds that active fluid flow sustains carbon fixation rates among the highest determined for coastal margin sediments.

SourceWoods Hole Oceanographic Institution·JournalCommunications Earth & Environment·DateApr 22, 2022