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Science News for February 19, 2020


Fetal balloon treatment for lung-damaging birth defect works best when fetal and maternal care are highly coordinated

Researchers from Johns Hopkins Center for Fetal Therapy report improved lung function in infants born after FETO therapy, which involves a minimally invasive procedure to block the fetal trachea. The study found that prenatal and postnatal monitoring and care were highly coordinated, allowing for favorable outcomes in the 14 infants born.

SourceJohns Hopkins Medicine·JournalObstetrics and Gynecology·DateFeb 19, 2020
Apple iPhone 17 Pro

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

People who eat a big breakfast may burn twice as many calories

A new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism found that eating a large breakfast instead of a large dinner creates twice as high diet-induced thermogenesis. This process measures how well metabolism is working, and can differ depending on mealtime.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 19, 2020

An optimized structure of memristive device for neuromorphic computing systems implemented

Lobachevsky University scientists create a new variant of the metal-oxide memristive device that holds promise for use in RRAM and novel computing systems, including neuromorphic ones. The optimized structure stabilizes resistive switching between nonlinear resistive states, enabling robust switching and low variation of resistive states.

SourceLobachevsky University·JournalAdvanced Materials Technologies·DateFeb 19, 2020

'Flapping wings' powered by the sun (video)

Scientists develop flexible bio-butterfly-wing that converts natural sunlight into a flapping motion, producing a frequency exceeding actual butterfly wings. The device demonstrates potential applications in flying animal robots and solar energy harvesting.

SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateFeb 19, 2020
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.

New study results consistent with dog domestication during ice age

A new study published in the Journal of Archaeological Science found evidence consistent with dog domestication during the ice age through dental microwear analysis on 28,500-year-old fossil teeth. The research identified distinct diets for two groups of canids, one dog-like and one wolf-like.

SourceUniversity of Arkansas·JournalJournal of Archaeological Science·DateFeb 19, 2020

Diabetes patients who use online tools manage disease better

A Kaiser Permanente study found that diabetes patients who used the patient portal and mobile phone app showed significant improvements in health outcomes. The use of these online tools was associated with increased medication adherence and lower blood glucose levels, particularly among patients with higher baseline HbA1c levels.

SourceKaiser Permanente·JournalJAMA Network Open·DateFeb 19, 2020

Methane emitted by humans vastly underestimated, researchers find

University of Rochester researchers found that the amount of methane emitted by humans is significantly higher than previously thought. By analyzing ancient air samples, they determined that reducing fossil fuel use can help curb climate change. The study suggests that anthropogenic methane emissions account for a larger portion of the...

SourceUniversity of Rochester·JournalNature·DateFeb 19, 2020

Magnet-controlled bioelectronic implant could relieve pain

A team of Rice University engineers has introduced the first neural implant that can be both programmed and charged remotely with a magnetic field. The integrated microsystem, called MagNI, incorporates magnetoelectric transducers that allow it to harvest power from an alternating magnetic field outside the body.

SourceRice University·DateFeb 19, 2020
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.

A new model of the worm C. elegans to progress in the study of a rare disease

A new model of chromosome X-linked adrenoleukodystrophy in C. elegans has been identified, accelerating research on the disease and its potential pharmacological targets. The model points to glial cells as responsible for neurological damage, with oxidative stress caused by mitochondria being a major cause.

SourceIDIBELL-Bellvitge Biomedical Research Institute·JournalFree Radical Biology and Medicine·DateFeb 19, 2020

Parenting elective lets physicians spend more time with their babies

A novel elective program for pediatric residents has increased time spent at home with newborns, leading to improved income and academic outcomes. The four-week rotation provides up to four weeks of paid leave, benefiting breastfeeding establishment and fetal health.

SourceUniversity of Colorado Anschutz Medical Campus·JournalAcademic Pediatrics·DateFeb 19, 2020
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

MRI findings predict shoulder stiffness for rotator cuff tears

Joint capsule edema and thickness at the axillary recess are useful predictors of stiff shoulders in patients with rotator cuff tears. MRI findings also show associations between tear size, location, and preoperative passive range of motion.

SourceAmerican Roentgen Ray Society·JournalAmerican Journal of Roentgenology·DateFeb 19, 2020

Time-resolved measurement in a memory device

The study achieved time-resolved measurement of a single magnetic memory event using a tunnel junction, revealing two stages: incubation and actual reversal. The researchers developed a strategy to minimize time fluctuations, reducing the total time for the reversal event to less than 0.3 nanoseconds.

SourceETH Zurich·JournalNature Nanotechnology·DateFeb 19, 2020

When parents should worry about teen girls' selfies

A study found that excessive selfie editing and time invested in creating perfect selfies are related to self-objectification, leading to body shame and anxiety. Researchers advise parents to monitor their teens' phone behavior and engage in conversations about self-esteem.

SourceUniversity of Arizona·JournalJournal of Children and Media·DateFeb 19, 2020
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Improving assessments of an endangered lion population in India

A new study provides alternative method for monitoring endangered lions, estimating an overall density of 8.53 lions per 100 square kilometers. The researchers found that prey density does not influence variations in lion density within the study site, and baiting lions for tourism perturbs their natural density patterns.

SourcePLOS·JournalPLOS ONE·DateFeb 19, 2020

Neighborhood features and one's genetic makeup interact to affect cognitive function

A study by FAU researchers found that neighborhood environments with greater access to social, walking and retail destinations may have limited cognitive benefits for APOE ε2 carriers, who are at lower risk for Alzheimer's disease. Beneficial neighborhoods can provide spaces for exercise, mental stimulation and stress reduction.

SourceFlorida Atlantic University·JournalHealth & Place·DateFeb 19, 2020
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Thousands of uninsured kidney disease patients strain Texas emergency departments

A study published in JAMA Network Open highlights the strain on Texas emergency departments from uninsured kidney disease patients seeking lifesaving dialysis. The researchers found that over 10,000 uninsured patients incurred $21.8 million in hospital costs for emergency dialysis treatments.

SourceUniversity of Texas Health Science Center at Houston·JournalJAMA Network Open·DateFeb 19, 2020

Scientists develop open-source software to analyze economics of biofuels, bioproducts

A new open-source simulation software package in Python allows researchers to quickly compare and prioritize strategies for converting biomass to fuels and products. BioSTEAM provides a fast, flexible tool to analyze the economic and environmental implications of biorefineries.

SourceUniversity of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment·JournalACS Sustainable Chemistry & Engineering·DateFeb 19, 2020

Communicating science can benefit from scientists 'being human'

A team of researchers found that scientists who share their personal stories and values through first-person narratives are more likely to be perceived as authentic and trustworthy. This can help build trust with the audience and enhance science communication.

SourceUniversity of Missouri-Columbia·JournalPLOS ONE·DateFeb 19, 2020
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.

New type of heart valve may be the only replacement a child needs

A new type of heart valve, inspired by human venous valves, has been designed to adapt to a child's growth without losing functionality. The biomimetic two-leaflet design has shown promising results in benchtop studies and large animal models, potentially reducing the risk of blood clots and improving long-term device durability.

SourceBoston Children's Hospital·JournalScience Translational Medicine·DateFeb 19, 2020

Tart cherry juice concentrate found to help improve endurance exercise performance

A new meta-analysis found that tart cherry concentrate significantly improved endurance exercise performance when consumed for seven days to 1.5 hours before cycling, swimming or running. The study pooled results from 10 previously published studies and concluded that tart cherries improved performance in endurance-trained individuals.

SourceWeber Shandwick Chicago·JournalJournal of the American College of Nutrition·DateFeb 19, 2020
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.

One drug, many diseases

Researchers are working on developing drugs that inhibit the function of NLRP3, an inflammatory protein involved in various diseases such as atherosclerosis, cancer, Alzheimer's, Parkinson's, and arthritis. Several NLRP3 inhibitors are currently in preclinical trials with varying mechanisms.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateFeb 19, 2020

Mixed-signal hardware security thwarts powerful electromagnetic attacks

Researchers at Purdue University have developed a mixed-signal hardware security solution that thwarts powerful electromagnetic attacks on Internet of Things devices. This breakthrough technology enhances security by 100 times compared to current solutions, making it essential for protecting resource-constrained edge devices.

SourcePurdue University·DateFeb 19, 2020

Grabbing atoms

Researchers at the University of Otago have successfully trapped and cooled three individual atoms, allowing them to observe previously unseen complex atomic interactions. This breakthrough has significant implications for future quantum technologies, including the potential to build and control single molecules of particular chemicals.

SourceUniversity of Otago·JournalPhysical Review Letters·DateFeb 19, 2020

Freedom of Information legislation: Fit for purpose?

A study by University of Leeds researchers found high levels of non-disclosure due to refusal, partial refusal, or non-response to FOI requests. The current FOI Act is deemed unfit for purpose, with only 24% of requests resulting in full disclosure, and many authorities failing to respond within the statutory 20-day period.

SourceUniversity of Leeds·JournalParliamentary Affairs·DateFeb 19, 2020

Carrots plus sticks: Study looks at what works to reduce low-value care

A study found that paying for low-value vitamin D tests was stopped in Ontario, leading to a nearly 93% drop in testing. In contrast, US patients covered by Veterans Health benefits or commercial insurance saw only an 14% reduction after Choosing Wisely guidelines were issued.

SourceMichigan Medicine - University of Michigan·JournalJAMA Internal Medicine·DateFeb 19, 2020
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Global relationships that determine bird diversity on islands uncovered

A recent study published in Nature has shed light on the global relationships that determine bird diversity on islands, revealing that colonisation decreases with isolation and extinction decreases with area. The research also found that most island bird species represent unique evolutionary branches with no close relatives.

SourceUniversity of Oxford·JournalNature·DateFeb 19, 2020

A new way to assess male fertility

A new microfluidic chip developed by researchers can quickly identify small differences in sperm chemotactic behavior, providing a more complete picture of male fertility. The device uses a concentration gradient of progesterone to guide sperm towards the egg, offering a pump-free alternative to existing tests.

SourceAmerican Chemical Society·JournalAnalytical Chemistry·DateFeb 19, 2020

Future soldiers may get improved helmet padding

The U.S. Army Research Laboratory has developed new materials and manufacturing methods to create higher performing helmet padding that reduces the likelihood of head injury. The new padding consists of highly-tuned open-cell lattice structures, demonstrating a 27% increase in energy attenuation efficiency compared to existing foam pads.

SourceU.S. Army Research Laboratory·JournalMatter·DateFeb 19, 2020

Lensless on-chip microscopy platform shows slides in full view

A new lensless on-chip microscopy platform developed at UConn removes traditional lenses to provide a fuller picture of tissue samples, leading to more accurate diagnoses. The platform uses ptychography and achieves an ultra-high Fresnel number, allowing for a 30 mm2 field of view and eliminating the need for cell staining.

SourceUniversity of Connecticut·JournalLab on a Chip·DateFeb 19, 2020
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.

Cracks make historical paintings less vulnerable to environmental variations

A study found that historical wood panel paintings with developed craquelure patterns are significantly less vulnerable to environmental variations than previously assumed. The research team investigated the susceptibility of gesso layers, the most brittle component of a wood painting, to fracture under different environmental conditions.

SourceBMC (BioMed Central)·JournalHeritage Science·DateFeb 19, 2020
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Certain factors linked with discontinuing breast cancer therapy

A new study reveals that habit, tradeoffs, and resource barriers are key factors influencing breast cancer therapy discontinuation. Black women were more likely to report challenges related to these barriers, highlighting the need for multi-barrier intervention strategies.

SourceWiley·JournalPsycho-Oncology·DateFeb 19, 2020

Random gene pulsing generates patterns of life

Researchers at the University of Cambridge discovered that random gene pulsing plays a key role in establishing spatial structures during biofilm development. This process allows for the distribution of cell states within a population, enabling the formation of complex patterns.

SourceUniversity of Cambridge·JournalNature Communications·DateFeb 19, 2020

Antidote to pain and negativity? Let it be

A new study by Yale researchers found that a brief introduction to mindfulness concepts can significantly reduce physical pain and negative emotions in people. The study's results showed that even when participants were subjected to high heat on their forearm, their brain responded as if it was experiencing normal temperature.

SourceYale University·JournalSocial Cognitive and Affective Neuroscience·DateFeb 19, 2020
Fluke 87V Industrial Digital Multimeter

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

Prenatal phthalate exposure associated with autistic traits in young boys

A UMass Amherst study found that prenatal phthalate exposure is associated with autistic traits in young boys, but adequate folic acid supplementation during early pregnancy may mitigate these effects. The study analyzed data from over 2,000 pregnant women and followed the development of their children until age 3 and 4.

SourceUniversity of Massachusetts Amherst·JournalEnvironmental Health Perspectives·DateFeb 19, 2020

Enriching newborns' environment in the right way helps heal young, injured brains

A new study found that an enriched environment with physical activity, socialization, and cognitive stimulation helps heal young, injured brains in premature newborns. The study suggests that recovery of the brain's white matter requires a combination of all experimental interventions, not just a single one.

SourceChildren's National Hospital·JournalNature Communications·DateFeb 19, 2020

Count me out of counting seeds

A team of researchers used a computerized particle analyzer to count weed seeds with high accuracy. The technology can process 2,000-2,500 seeds in just three minutes, significantly reducing the time required for seed counting.

SourceAmerican Society of Agronomy·JournalAgricultural & Environmental Letters·DateFeb 19, 2020

Right place, right time

Researchers at Harvard Medical School have discovered a control mechanism in the brains of mice that ensures adequate blood flow to areas of heightened neural activity. The study found that arteries actively regulate neurovascular coupling and that the protein Mfsd2a plays a critical role in this process.

SourceHarvard Medical School·JournalNature·DateFeb 19, 2020
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.

Illuminating interactions between decision-making and the environment

A new publication in Nature Communications presents a unifying model that explains diverse interactions between decision strategy and the environment, highlighting the similarity of their features. The findings shed light on the tight-knit forces that link changes in strategic action to environmental change, and vice versa.

SourceUniversity of Pennsylvania·JournalNature Communications·DateFeb 19, 2020

Green chemistry of fullerene: Scientists invented an environmentally friendly way to realize organic

Researchers developed a novel approach for preparing thin fullerene films from aqueous solutions, reducing environmental risks and making organic electronics more accessible. The method enabled fabrication of organic field-effect transistors with high charge carrier mobility and gas sensors.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalJournal of Materials Chemistry C·DateFeb 19, 2020

Research shows the way to more efficient EPO production

Researchers from the Technical University of Denmark have discovered a way to improve EPO production by knocking out specific genes in Chinese Hamster Ovary cells. This results in a 1.4-fold increase in production and significantly improved product quality, with up to 40% of the most active EPO form produced.

SourceTechnical University of Denmark·JournalMetabolic Engineering·DateFeb 19, 2020
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Journey to the center of Mars

Scientists Takashi Yoshizaki and Bill McDonough developed a new compositional model for Mars, predicting the depth to its core-mantle boundary at around 1,800 km. The model suggests moderate amounts of sulfur, oxygen, and hydrogen in Mars' core, with the core accounting for only about one-sixth of the planet's mass.

SourceTohoku University·JournalGeochimica et Cosmochimica Acta·DateFeb 19, 2020

Brain measurements can reveal success of alcohol risk messages

A new study has found that the effectiveness of health messages in reducing risky drinking among young adults is linked to brain activity. The research used electroencephalography (EEG) to measure brain synchronisation while participants watched real-life health advertisements about alcohol use.

SourceUniversity of Konstanz·JournalNeuroImage·DateFeb 19, 2020

Spanish modified Story Memory Technique efficacious for Mexicans with multiple sclerosis

A pilot study found that the Spanish adaptation of the modified Story Memory Technique improved learning and life satisfaction in Mexicans with multiple sclerosis. The intervention, which teaches imagery and context to facilitate learning, may be an effective rehabilitative tool for Spanish-speaking populations with MS.

SourceKessler Foundation·JournalNeuroRehabilitation An International Interdisciplinary Journal·DateFeb 19, 2020

Fish in the Sahara? Yes, in the early Holocene

A study published in PLOS ONE reveals the ancient hydrographic network of the Sahara, showing significant changes in climate and fauna over time. The Takarkori rock shelter, excavated by researchers, yielded fish remains that decreased in abundance as the region became more arid, replaced by mammal-heavy diet.

SourcePLOS·JournalPLOS ONE·DateFeb 19, 2020
Celestron NexStar 8SE Computerized Telescope

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

New test identifies poisonous mushrooms

A simple portable test can detect deadly mushroom toxins in minutes, aiding doctors in diagnosing amatoxin poisoning. The test's sensitivity allows for detection of the toxin in urine, potentially improving patient outcomes and increasing safe mushroom foraging.

SourceUS Department of Agriculture - Agricultural Research Service·JournalToxins·DateFeb 19, 2020
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.

The potentially deadly paradox of diabetes management

A new study found that people with Type 2 diabetes in the US often receive treatment that is too aggressive or not aggressive enough, with those who are most likely to benefit from intensive therapy being underserved. The study suggests a fine line between effective treatment and increased risk of hypoglycemia.

SourceMayo Clinic·JournalBMJ Open Diabetes Research & Care·DateFeb 19, 2020

How to deflect an asteroid

Researchers develop framework to consider asteroid mass, momentum, and warning time to determine most successful deflection mission. The method could be used to design optimal mission configuration and campaign to deflect potentially hazardous near-Earth asteroids.

SourceMassachusetts Institute of Technology·JournalActa Astronautica·DateFeb 19, 2020

Improved access to Midwifery Units is urgently needed, says new study

A recent study found that a quarter of local maternity services in England lack midwifery units (MUs), and women face barriers when trying to access them. The research identified several factors contributing to low MU use, including a lack of information and misconceptions about their safety and cost.

SourceUniversity of Nottingham·JournalBMJ Open·DateFeb 19, 2020
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.

Cannabis use during pregnancy

A large observational study found an association between cannabis use during pregnancy and increased risk of depression, anxiety, and trauma diagnoses. The study analyzed data from over 1 million women screened for prenatal cannabis use in California.

SourceJAMA Network·JournalJAMA Network Open·DateFeb 19, 2020

Stressed corals set up progeny for a better life

Researchers at KAUST found evidence of intergenerational transfer of DNA methylation patterns in corals, which could help develop new strategies for coral conservation. The study suggests that chronically stressed corals can pass on epigenetic changes to their offspring, potentially increasing resilience to climate change.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalNature Climate Change·DateFeb 19, 2020
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.

Could water solve the renewable energy storage challenge?

Researchers found that seasonal pumped hydropower storage has considerable potential for highly competitive energy storage costs, with estimated global energy storage potential of 17.3 PWh. The study also addresses environmental concerns related to traditional hydropower plants, suggesting a more sustainable solution for renewable ener...

SourceInternational Institute for Applied Systems Analysis·JournalNature Communications·DateFeb 19, 2020

Five millimeter diameter motor is powered directly with light

Scientists have successfully developed a rotary micromotor with a diameter of 5 millimeters that can rotate using laser power. The motor utilizes liquid crystal elastomers, which exhibit fast and reversible shape changes under visible light illumination.

SourceUniversity of Warsaw, Faculty of Physics·JournalACS Applied Materials & Interfaces·DateFeb 19, 2020

Changes to Title X mean contraception access for teens could worsen nationwide, study shows

A new study from the University of Colorado Anschutz Medical Campus finds that changes to Title X have led to confusion and loss of access to confidential family planning services for teens in Texas. The research suggests that similar issues may worsen nationwide as the new policies are implemented.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJournal of Adolescent Health·DateFeb 19, 2020
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.

Tumor blood vessel detection by a gripping force feedback system

Scientists at Kanazawa University developed a novel method to detect invisible blood vessels inside tumors, which could help surgeons avoid hemorrhage during tumor resection. The new system uses a master-slave surgical robot with a force sensor that detects pulsation based on gripping force, even in soft and hard tumors.

SourceKanazawa University·JournalSensors·DateFeb 19, 2020

What if we could teach photons to behave like electrons?

Researchers at Stanford University have developed a trick to precisely control photons, the basic particles of light. This breakthrough enables the creation of light-based chips that could deliver far greater computational power than electronic chips.

SourceStanford University School of Engineering·JournalScience·DateFeb 19, 2020
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

AIBS recognizes science policy leadership

Corinn Rutkoski and Renee Collini have been selected as the 2020 AIBS Emerging Public Policy Leadership Award recipients, recognized for their leadership skills and aptitude for working at the intersection of science and public policy. The award highlights their efforts to integrate science into coastal decision-making and promote soun...

SourceAmerican Institute of Biological Sciences·DateFeb 19, 2020

Laser writing enables practical flat optics and data storage in glass

Researchers have developed a new type of birefringent modification using ultrafast laser direct writing in silica glass, enabling ultra-low loss spatially variant birefringent optical elements. These elements can be used for high power lasers, visible and UV light sources, and even multiplexed data storage.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateFeb 19, 2020

Size-adjustable prosthetic heart valve accommodates heart growth in sheep

Scientists have created a size-adjustable prosthetic heart valve that can be expanded to accommodate growing hearts, reducing the need for invasive surgeries. The device showed good performance in animal studies without impeding blood flow, but longer-term tests are needed to validate its durability.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Translational Medicine·DateFeb 19, 2020

Community health worker-led care improves blood pressure control in hypertensive patients

A multi-country intervention trial found that community health worker-led care led to significant reductions in blood pressure and improved hypertension management. The study, conducted in Bangladesh, Pakistan, and Sri Lanka, showed a 5mmHg decline in systolic blood pressure and better BP control in the intervention group.

SourceDuke-NUS Medical School·JournalNew England Journal of Medicine·DateFeb 19, 2020
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.

CPRIT grant draws cell imaging specialist to Rice

Anna-Karin Gustavsson joins Rice University as a CPRIT Scholar, bringing expertise in single-molecule imaging to cancer research. She aims to develop 3D super-resolution microscopy techniques for understanding molecular mechanisms and potential targets for drug treatment.

SourceRice University·DateFeb 19, 2020

Eliminating viruses in our food with cranberries and citrus fruit

Researchers have developed an edible coating using cranberry juice and citrus extract that makes noroviruses more sensitive to gamma irradiation, reducing treatment time by half while preserving food quality. This natural antimicrobial method can prevent cell breakdown and discolouration.

SourceInstitut national de la recherche scientifique - INRS·JournalJournal of Applied Microbiology·DateFeb 19, 2020

Cognitive experiments give a glimpse into the ancient mind

Researchers used cognitive science experiments to investigate the potential symbolic function of 40,000-year-old engravings found in South Africa. The findings suggest that these engravings evolved over time to serve an aesthetic purpose and marked group identity.

SourceAarhus University·JournalProceedings of the National Academy of Sciences·DateFeb 19, 2020

Machine learning identifies personalized brain networks in children

A Penn Medicine study used machine learning to analyze fMRI scans of nearly 700 children and adolescents, revealing unique brain network patterns that predict cognition and executive function. The research offers a new approach to personalized diagnostics and therapeutics for psychiatric disorders.

SourceUniversity of Pennsylvania School of Medicine·JournalNeuron·DateFeb 19, 2020
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.

New 3D chirality discovered and synthetically assembled

Scientists have discovered a new type of 3D chirality that exhibits unique macroscopic properties, including fluorescence and strong optical rotation. The discovery was made possible through the use of advanced synthesis techniques, including double cross-couplings and retro-synthetic analysis.

SourceScience China Press·JournalNational Science Review·DateFeb 19, 2020

New mathematical model reveals how major groups arise in evolution

Researchers at Uppsala University and the University of Leeds present a new mathematical model explaining patterns of diversity in the fossil record. The model shows that ancestral forms are typically few in number and quickly go extinct, while modern groups diversify rapidly.

SourceUppsala University·JournalScience Advances·DateFeb 19, 2020

Scientists develop safer lead-based perovskite solar cell

Scientists have developed a technique to sequester lead in perovskite solar cells, minimizing potential toxic leakage by applying lead-absorbing films to the front and back of the solar cell. The new approach has been shown to capture 96% of lead leakage under severe damage conditions.

SourceNorthern Illinois University·JournalNature·DateFeb 19, 2020
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.

Study points to better medical diagnosis through levitating human blood

Researchers at UBC's Okanagan campus developed a method to separate protein from blood plasma using electricity, enabling disease detection through levitated plasma proteins. The technology uses machine-learning and predictive models to accurately diagnose diseases like opioid addictions in just five minutes.

SourceUniversity of British Columbia Okanagan campus·JournalAdvanced Healthcare Materials·DateFeb 19, 2020

Cobalt supply can meet demand for electric vehicle and electronics batteries

The study found that cobalt supply is adequate in the short term, but could be affected by refining and recycling. The researchers recommend increasing efficient capacity to meet growing demand from consumer electronics and electric vehicles. By 2030, the team estimates cobalt demand will reach 235-430 thousand metric tons.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology·DateFeb 19, 2020
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.

Receiving the news of Down syndrome in the era of prenatal testing

Parents receiving prenatal Down syndrome diagnosis face complex decision-making, with most choosing to continue pregnancy despite low prenatal screening uptake. Key factors influencing their decisions include perceived welcome of a child with DS, quality of screening test, and information provided.

SourceMassachusetts General Hospital·JournalAmerican Journal of Medical Genetics·DateFeb 19, 2020

From obesity to liver cancer: Can we prevent the worst?

Scientists at UNIGE discovered a protein, S100A11, that promotes inflammation and build-up of fibrous tissue in the liver, increasing cancer severity. The presence of S100A11 in blood may enable early detection through simple blood sampling, paving the way for targeted therapies.

SourceUniversité de Genève·JournalGut·DateFeb 19, 2020

Jet stream not getting 'wavier' despite Arctic warming

A new study by University of Exeter researchers has found that Arctic warming does not drive a more meandering jet stream, despite earlier studies suggesting a link between the two. The research suggests random fluctuations in the jet stream influencing Arctic temperatures may be behind any observed correlation.

SourceUniversity of Exeter·JournalScience Advances·DateFeb 19, 2020
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.

Big investment needed to eliminate Hep C in Pakistan could deliver huge health benefits

A study estimates that Pakistan needs a significant investment of $3.9 billion to achieve the World Health Organization's target for eliminating Hepatitis C virus (HCV) by 2030. This would involve screening or re-screening 36 million people annually and treating 660,000 each year, with regular follow-ups to identify new infections.

SourceUniversity of Bristol·JournalThe Lancet Global Health·DateFeb 19, 2020

What birdsong tells us about brain cells and learning

Researchers at UChicago study birdsong to understand brain cell properties and their role in learning, revealing surprising similarities with human stuttering. The study uses zebra finch neurons to show that changes in intrinsic cell properties are closely tied to song patterns and stuttering behavior.

SourceUniversity of Chicago·JournalNature Communications·DateFeb 19, 2020

Training the mind in resilience

Two studies from University of Miami researchers show that mindfulness training programs tailored for firefighters and soldiers improve attention, mood, and resilience. The Mindfulness-based Attention Training (MBAT) program provides tools to succeed under VUCA circumstances.

SourceUniversity of Miami·JournalPsychiatry Research·DateFeb 19, 2020

A spookily good sensor

Scientists at Japan Science and Technology Agency developed a method to couple a magnetic sphere with a sensor using quantum entanglement, enabling single-shot detection of magnetic excitations. The device's sensitivity is comparable to that of theoretical dark-matter particles, opening new avenues for research.

SourceJapan Science and Technology Agency·JournalScience·DateFeb 19, 2020

Ancient gut microbiomes shed light on human evolution

A new study suggests that our ancestors' gut microbiomes were critical for their survival in new environments, allowing them to digest and detoxify local food sources. The findings also imply that social sharing of microbes might have led to local adaptations, influencing human migration and settlement.

SourceFrontiers·JournalFrontiers in Ecology and Evolution·DateFeb 19, 2020

Altered potassium levels in neurons may cause mood swings in bipolar disorder

A new study by Salk researchers finds that altered potassium levels in neurons may contribute to mood swings in bipolar disorder. The study reveals two distinct types of neurons in people with bipolar disorder who respond to lithium and those who don't, highlighting the need for personalized treatment approaches.

SourceSalk Institute·JournalBiological Psychiatry·DateFeb 19, 2020

Calouste Gulbenkian Foundation announces prize for humanity

The Calouste Gulbenkian Foundation has established a €1 million prize to tackle the climate crisis, with the goal of reducing greenhouse gas emissions and supporting vulnerable populations. The award will be presented at a ceremony in Lisbon on July 20th, with a jury of international experts selecting the winner.

SourceInstituto Gulbenkian de Ciencia·DateFeb 19, 2020

Estimating effects of indoor tanning regulations

Analysis estimates health consequences of indoor tanning bans, including reduced skin cancer risk and economic benefits. The study found that implementing such regulations could save billions of dollars in healthcare costs annually.

SourceJAMA Network·JournalJAMA Dermatology·DateFeb 19, 2020

Veggie-loving fish could be the new white meat

A recent study found that the monkeyface prickleback, a unique fish species, has an efficient digestive system capable of breaking down plant material. This discovery holds promise for developing new, sustainable sources of protein for human consumption and could be an important alternative to traditional livestock farming.

SourceUniversity of California - Irvine·DateFeb 19, 2020