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Science News for March 25, 2019


Study: Privacy concerns keep men from HIV testing, treatment

A study found that men in Cote d'Ivoire are hesitant to seek HIV testing and treatment due to concerns about privacy and stigma. Men reported being deterred by the risk of disclosure, stigmatization, and inadequate healthcare services, despite some positive experiences with providers.

SourceJohns Hopkins Bloomberg School of Public Health·JournalPLOS ONE·DateMar 25, 2019

Cesarean deliveries in India: Too many and yet too few

The study found that India's cesarean delivery rate has increased significantly since 2005-06, reaching 17.2% in 2010-16. However, significant regional and socio-economic disparities exist, with poorer regions having lower rates and richer areas experiencing high rates above 50%.

SourceInstitut de recherche pour le développement·JournalJAMA Network Open·DateMar 25, 2019
Fluke 87V Industrial Digital Multimeter

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

Optical toric code platform sets new record

A research group led by Professor PAN Jianwei and LU Chaoyang successfully designed the largest planar code platform at present using photons, demonstrating path-independent property in optical systems. This work provides a platform for simulating braiding operations with linear optics, enabling further exploration of anyonic statistics.

SourceUniversity of Science and Technology of China·JournalOptica·DateMar 25, 2019
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.

GPs key in ensuring the new Faster Diagnosis Standard for Cancer is a success

Researchers from University of Surrey investigated public attitudes towards new Faster Diagnosis Standard (FDS) for Cancer, finding participants valued reassurance and support from GPs as highly as speedy referrals. GPs will need clear guidance to support patients under the new standard.

SourceUniversity of Surrey·JournalBritish Journal of General Practice·DateMar 25, 2019

Like racecars and geese, cancer cells draft their way to new tumor sites

Researchers at Vanderbilt University discovered that cancer cells use leader-follower behavior to establish new tumor sites, expending more energy in the process. This finding has significant implications for fighting cancer, particularly in understanding mechanisms of metastasis and developing new therapies.

SourceVanderbilt University·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Attractive businesswomen viewed as less trustworthy 'femmes fatales'

A Washington State University researcher finds that attractive businesswomen are perceived as less truthful and more deserving of termination than less attractive women. The study suggests that this phenomenon taps into primal feelings of sexual insecurity and jealousy, affecting both men and women.

SourceWashington State University·JournalSex Roles·DateMar 25, 2019
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.

Ultra-sharp images make old stars look absolutely marvelous!

Astronomers have uncovered one of the oldest star clusters in the Milky Way Galaxy using high-resolution adaptive optics imaging from the Gemini Observatory. The study reveals that the cluster is approximately 12.8 billion years old and provides new insights into galaxy formation.

SourceAssociation of Universities for Research in Astronomy (AURA)·JournalMonthly Notices of the Royal Astronomical Society·DateMar 25, 2019

Study suggests trees are crucial to the future of our cities

A recent study suggests that trees are essential for mitigating the urban heat island effect, with 40% canopy cover required to trigger significant cooling effects. The research found that even small increases in tree density can lead to substantial reductions in temperatures, making tree planting a key strategy for city planners.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

A rubber computer eliminates the last hard components from soft robots

Researchers have created a soft computer using only rubber and air, emulating the thought process of an electronic computer. The soft computer mimics digital logic gates and achieves complex operations with pneumatic signals, enabling faster and more energy-efficient robots.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Antarctic snowfall dominated by a few extreme snowstorms

A new study reveals that a small number of intense storms around Antarctica control up to 60% of annual snowfall in some places. These extreme events are responsible for the marked differences in snowfall from year to year, with one event accounting for 44% of annual snowfall.

SourceBritish Antarctic Survey·JournalGeophysical Research Letters·DateMar 25, 2019
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.

Overland migration of Arctic Terns revealed

A landmark study reveals the Arctic Tern's remarkable migration route, including an 8,000km non-stop flight over the Indian Ocean. The birds' stop-off points are also revealed, highlighting key locations in the UK and beyond.

SourceNewcastle University·JournalIbis·DateMar 25, 2019

NASA finds heavy rainfall around Tropical Cyclone Joaninha's center

Tropical Cyclone Joaninha generated heavy rainfall in the Southern Indian Ocean, with rates exceeding 0.75 inches per hour around its center. The Global Precipitation Measurement mission data used by NASA's IMERG provided a comprehensive analysis of the cyclone's precipitation patterns.

SourceNASA/Goddard Space Flight Center·DateMar 25, 2019
Apple iPhone 17 Pro

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

Fossil barnacles, the original GPS, help track ancient whale migrations

A new study reveals that fossilized barnacles can serve as a proxy for the migrations of whales in the distant past. Oxygen isotope ratios in barnacle shells change with ocean conditions, allowing scientists to chart the migration routes of whales.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

How tree diversity regulates invading forest pests

A national-scale study found that high tree diversity in the US is associated with a greater number of nonnative pests, but this relationship depends on the pest's specialization. The study used two large datasets and found a hump-shaped curve between tree diversity and pest diversity.

SourceNorth Carolina State University·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019
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.

More children could mean higher risk of heart disease

A recent study published in the Journal of Aging and Health found a significant association between having five or more children and an increased risk of heart disease in adults. The research, led by Sara Hipp at the University of Hawaii at Manoa, analyzed data from nearly 25,000 participants aged 50 and older.

SourceUniversity of Hawaii at Manoa·JournalJournal of Aging and Health·DateMar 25, 2019

Study explores why 'progressive teetotalers' may emerge from college engineering programs

A recent study by the University of Kansas researcher Margaret Kelley found that first-year engineering students who hold progressive attitudes, including those about gender equity, are more likely to drink less. The researchers argue that this behavior becomes in conjunction with their more progressive attitudes on women in the profes...

SourceUniversity of Kansas·JournalSociological Quarterly·DateMar 25, 2019
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.

Model learns how individual amino acids determine protein function

Researchers develop a method for predicting protein functions using amino acid sequences, eliminating the need for structural data. This breakthrough enables better protein engineering and design, with potential applications in drug development and biological research.

SourceMassachusetts Institute of Technology·DateMar 25, 2019

Engineering cellular function without living cells

Researchers at EPFL's LBNC have developed a quantitative, replicable method for studying gene expression using a cell-free system in combination with high-throughput microfluidic devices. This approach allows them to build synthetic biological logic gates that can be used to modify cellular functions and introduce new therapeutic purpo...

SourceEcole Polytechnique Fédérale de Lausanne·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Inclusion of a crop model in a climate model to promote climate modeling

A new crop-climate coupled model simulates crop development and production, offering improved accuracy in climate predictions. The model successfully captures crop phenology and corrects biases in the original climate model, making it a valuable tool for global change studies.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateMar 25, 2019
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.

Race at the edge of the Sun: Ions are faster than atoms

In a breakthrough study, scientists have observed ions moving faster than atoms in the gas streams of solar prominences, challenging our understanding of plasma behavior. This phenomenon occurs when ions and neutral atoms flow independently in partially ionized plasmas without impact equilibrium.

SourceUniversity of Göttingen·JournalThe Astrophysical Journal·DateMar 25, 2019

Traffic control of cells

Scientists have created a hydrogel matrix whose stiffness can be reversibly tuned using light, enabling the investigation of how cells respond to dynamic changes in their environment. The matrix has potential applications in cancer immunotherapy and understanding cell migration patterns.

SourceUniversity of Freiburg·JournalAdvanced Materials·DateMar 25, 2019

Hearing loss before 50 may mean higher risk of drug and alcohol issues

A national study reveals that young and middle-aged adults with hearing loss are twice as likely to misused prescription opioids and other substances compared to their hearing peers. Health care providers may need to take special care when treating pain and mental health conditions in deaf and hard-of-hearing patients.

SourceMichigan Medicine - University of Michigan·JournalAmerican Journal of Preventive Medicine·DateMar 25, 2019
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.

Outcomes for smallest infants born weighing less than 400 grams

This observational study reports on outcomes for smallest infants born under 400 grams, highlighting the importance of timely intervention in improving survival rates. Overall, the study found that these tiny infants can survive and even thrive when receiving necessary medical support.

SourceJAMA Network·JournalJAMA Pediatrics·DateMar 25, 2019

Canopies, impervious surfaces, and urban heat

A study in Madison, Wisconsin found that urban air temperatures decrease with increasing canopy cover during the day but exhibit limited cooling at night. The results suggest that effective heat mitigation strategies involve both increasing canopy cover and decreasing impervious surface cover.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019
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.

Can you 'catch' cancer?

Research suggests that parasitic worms cause majority of cancers in poor countries due to chronic inflammation and toxic egg excretions. However, some species of helminths, like the 'hyper tapeworm', inhibit cancer growth and may even enhance host's immune response to tumors.

SourceFrontiers·JournalFrontiers in Medicine·DateMar 25, 2019

How tree diversity affects invasive forest pests

A broad-scale study found a significant relationship between tree diversity and nonnative pest invasions. High tree diversity reduces pest invasions by creating ecological niches that make it harder for pests to find resources, while low diversity increases the risk of invasion. The study's results have important implications for fores...

SourceUSDA Forest Service ‑ Southern Research Station·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019
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.

How watching TV and movies helps people with attachment issues

Research suggests that people with attachment issues engage more with stories, such as movies and TV shows, to deal with relationship insecurities. They find a 'safe space' to understand their problems or imagine a functional relationship without real-life complications. This vicarious living can help them expand their social experiences.

SourceOhio State University·JournalJournal of Social and Personal Relationships·DateMar 25, 2019

Innovative model improves access to life-saving stroke care

A study presented at the Society of Interventional Radiology Annual Scientific Meeting found that training interventional radiologists to perform endovascular thrombectomies improves access to life-saving stroke care. The model expands access to quality, evidence-based care and reduces lifelong disability associated with stroke.

SourceSociety of Interventional Radiology·DateMar 25, 2019

Aspirin to fight an expensive global killer infection

Researchers at the Centenary Institute discovered that the tuberculosis bacterium hijacks platelets from the body's blood clotting system to weaken immune systems. Using anti-platelet drugs like aspirin, they were able to prevent hijacking and allow the body to control infection better.

SourceCentenary Institute·JournalThe Journal of Infectious Diseases·DateMar 25, 2019
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.

Advanced imaging technology predicts cardiovascular risk from inflammation detected in arteries

Researchers used advanced PET/MRI technology to analyze inflammatory processes in arteries of individuals with atherosclerotic plaques. The study found that inflammation is present at early stages of atherosclerosis, particularly in regions without developed plaques.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalJournal of the American College of Cardiology·DateMar 25, 2019

House hunting for hellbenders

A new study on young hellbenders' habitats found that selecting a 'just right' rock is essential to avoid cannibalism. The research suggests that larvae tend to live under small rocks, while adults prefer larger boulders with specific gravel flooring characteristics.

SourceFlorida Museum of Natural History·JournalCopeia·DateMar 25, 2019

Scientists home in on microRNA processing for novel cancer therapies

Researchers found that mda-7/IL-24 reduces the expression of an enzyme called DICER, which processes microRNAs for specific cellular functions. This effect occurs only in cancer cells and provides potential therapeutic targets for cancer treatment.

SourceVirginia Commonwealth University·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Drug diversity in bacteria

Bacteria can create a wide range of derivatives from simple basic structures through mechanisms similar to pharmaceutical research. This diversification allows them to counteract unknown competitors and exhibit a wide range of biological activity.

SourceGoethe University Frankfurt·JournalNature Chemical Biology·DateMar 25, 2019

ELSI scientist constructs artificial photosynthetic cells

Scientists at Tokyo Institute of Technology constructed simple artificial cells that can produce chemical energy to synthesize cell components. This breakthrough may shed light on how primordial cells used sunlight as an energy source early in life's history.

SourceTokyo Institute of Technology·JournalNature Communications·DateMar 25, 2019
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.

A key player in the maturation of sexual organs

Researchers have identified the lin-41 mRNA as a crucial target of the let-7 microRNA, driving the transition to adulthood and sexual organ formation in C. elegans. This finding may provide insights into human puberty disorders linked to genetic variations affecting let-7 activity.

SourceFriedrich Miescher Institute·JournalLife Science Alliance·DateMar 25, 2019

Measurement of thoughts during knowledge acquisition

Researchers measured brain activity patterns that suggest new information is organized in a map-like format in the hippocampus. This organizational structure likely enables flexibility in applying knowledge, which could help explain human intelligence and inform teaching methods for efficient learning.

SourceMax Planck Institute for Human Cognitive and Brain Sciences·JournalCurrent Biology·DateMar 25, 2019

Elementary mathematics brings Star Trek’s Holodeck closer to reality

Researchers from Bilkent University develop a technique to eliminate cross-talk in 3D holographic projection, enabling the creation of realistic and dynamic holograms. The method uses wavefront engineering and orthogonality properties to achieve high-quality projections with increasing hologram resolution.

SourceBilkent University Faculty of Science·JournalNature Photonics·DateMar 25, 2019
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.

Gunnerus Award goes to expert on biodiversity

Professor Sandra Myrna Díaz, a renowned expert in biodiversity and ecosystem ecology, has been awarded the 2019 Gunnerus Award in Sustainability Science. Her groundbreaking research emphasizes the importance of understanding biodiversity's role in shaping ecosystems and human development.

SourceNorwegian University of Science and Technology·DateMar 25, 2019

University of Arizona researchers making drinking water safer

Researchers at the University of Arizona are working on a new treatment method to remove per- and polyfluoroalkyl substances (PFAS) from groundwater, which poses serious health risks. The project aims to develop more effective and customizable sorbents to attract PFAS, improving water safety for communities worldwide.

SourceUniversity of Arizona College of Engineering·DateMar 25, 2019

Widely used malaria treatment to prevent malaria in pregnant women

The study found that the widely used antimalarial sulphadoxine-pyrimethamine (SP) is no longer effective in preventing malaria in areas with high levels of resistance. In areas where more than 37% of parasites carry six mutations, the effectiveness of SP appears to be fully compromised. The researchers are calling for further investiga...

SourceLiverpool School of Tropical Medicine·JournalThe Lancet Infectious Diseases·DateMar 25, 2019
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.

Effective fear of heights treatment without a therapist using virtual reality

A virtual reality (VR) treatment called ZeroPhobia has been shown to significantly reduce fear of heights symptoms in individuals. By using cognitive behavioral therapy principles in a fully self-guided format, the study found that two to five percent of the population can benefit from this effective and affordable treatment.

SourceVrije Universiteit Amsterdam·JournalJAMA Psychiatry·DateMar 25, 2019

New in Ethics & Human Research, March-April 2019

Researchers propose anticipatory waivers of consent for pediatric biobanking, allowing for efficient use of samples from minors. The authors also examine the inadequate response to the US Public Health Service's unethical experiments in Guatemala.

SourceThe Hastings Center·JournalEthics & Human Research·DateMar 25, 2019

Study questions value of genetic risk scores

A recent publication touted genetic risk scores as a tool for identifying patients at high risk of heart disease, cancer, and diabetes. However, a new study questions the value of these scores, finding they have lower accuracy when considering individual patient factors.

SourceWiley·JournalAnnals of Human Genetics·DateMar 25, 2019

A petrifying virus key to evolution

A newly discovered Medusavirus giant virus provides new insights into host-virus co-evolution, with features including DNA coding for five histones and unique capsid surface proteins. The discovery suggests a lateral gene transfer model between host and virus.

SourceKyoto University·JournalJournal of Virology·DateMar 25, 2019

Phasing out air pollution emissions

A recent study suggests that rapidly phasing out air pollution emissions can prevent approximately 3.6 million avoidable deaths each year, while also increasing rainfall in drought-prone regions and limiting global warming. The researchers found that removing fossil fuel-related and all anthropogenic emissions could achieve the 2°C tar...

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019
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.

Ascribe Bioscience receives SBIR award from NSF

Ascribe Bioscience has developed a seed treatment technology using ascarosides, signaling molecules produced by microscopic worms in the soil microbiome. The technology enhances plant resistance to pathogens at extremely low concentrations.

SourceBoyce Thompson Institute·DateMar 25, 2019

Earth's deep mantle flows dynamically

A new study reveals that the Earth's lower mantle is more dynamic than previously thought, with increased flow in regions where ancient ocean floors plunge into the planet's core. This discovery has significant implications for understanding how quickly Earth is cooling and the dynamic evolution of our planet.

SourceUniversity College London·JournalNature Geoscience·DateMar 25, 2019

Surge in cannabis use among youth preceded legalization in Canada

A recent study found that cannabis use among Canadian youth increased steadily after discussions on legalization and medical marijuana, with female and Indigenous students leading the rise. Rates of lifetime and past-year use were highest among male and Indigenous students, while Asian students had lower rates.

SourceUniversity of Waterloo·JournalBMJ Open·DateMar 25, 2019

SUTD researchers develop a hydrogel for enhanced cell encapsulation and delivery

A new thixogel called CNF hydrogel has been developed by SUTD researchers, offering improved cell encapsulation and delivery. The hydrogel combines the benefits of both solid and liquid forms, providing a protective environment for cells while conforming to host tissue geometry.

SourceSingapore University of Technology and Design·JournalInternational Journal of Biological Macromolecules·DateMar 25, 2019

Study suggests how, when to support military couples after homecoming

A new study by Leanne Knobloch and her team provides guidance on supporting military couples during the reintegration process, highlighting the importance of providing ample support for at-home partners, addressing mental health symptoms, and working with couples to address relationship questions and disruptions.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Clinical Psychology·DateMar 25, 2019
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.

Replacing sitting time with physical activity associated with lower risk of death

A new study found that replacing a half hour of sitting time with light physical activity was associated with a nearly 50% reduction in mortality among the least active participants. Replacing sedentary time with moderate-intensity physical activity was also linked to a lower risk of death, although the association was smaller.

SourceAmerican Cancer Society·JournalAmerican Journal of Preventive Medicine·DateMar 25, 2019

The largest delta plain in Earth's history

A new study published in Geology reveals that the largest delta plain in Earth's history formed along Pangea's northern coast during the late Triassic period. The delta plain covers an area equivalent to nearly 1% of the modern world, outscaling modern counterparts by an order of magnitude.

SourceGeological Society of America·JournalGeology·DateMar 25, 2019

Many postmenopausal women do not receive treatment for osteoporosis

The Endocrine Society's Clinical Practice Guideline recommends treating postmenopausal women with pharmacological therapies to reduce fracture risk, outweighing the risks of rare side effects. Guidelines also provide recommendations for monitoring and reassessing fracture risk after initial treatment.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateMar 25, 2019

New cellulose-based material gives three sensors in one

The new cellulose-based material measures all three parameters independently, making it suitable for applications such as robotics, healthcare, and security. The sensor utilizes thermoelectric effect and distinguishes between electron and ion responses to measure temperature and humidity levels.

SourceLinköping University·JournalAdvanced Science·DateMar 25, 2019
Celestron NexStar 8SE Computerized Telescope

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

Spotting hacks automatically, before the hackers do

Researchers have developed an algorithm to detect potential security flaws in new chip designs, exposing vulnerabilities that could be exploited by hackers. The algorithm, called UPEC, analyzes microarchitectural side effects of design decisions and detects if they can be used to create covert channels.

SourceResolution Partners·DateMar 25, 2019

Study examines commercial hybrid-electric aircraft, reduced carbon emissions

A recent study at the University of Illinois examined the energy lifecycle of fuel/battery configurations to yield greatest reductions in carbon dioxide emissions. The most feasible configuration was a propulsion system with 50% electrical-power drivetrain, estimated to produce 49.6% less lifecycle CO2 emissions.

SourceUniversity of Illinois Grainger College of Engineering·JournalJournal of Aircraft·DateMar 25, 2019

New angle of attack drives cellular HIV-reservoirs to self-destruction

A new study from Cornell University has identified a genetic regulator called SAF that helps HIV-infected macrophages avoid cell death. By blocking SAF, researchers found that infected cells self-destructed while healthy cells remained untouched, presenting a novel angle for potential therapies to selectively eradicate reservoir cells.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Migrants are their country's best and brightest

A study by Norwegian University of Science and Technology researcher Costanza Biavaschi finds that highly educated migrants are more likely to emigrate, contributing positively to their new countries' welfare. The research also reveals that OECD countries benefit from migration, while most sending countries lose.

SourceNorwegian University of Science and Technology·JournalJournal of Development Economics·DateMar 25, 2019
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.

Peptide shows promise for protecting kidneys from nephritis

A synthetic peptide has been found to directly disrupt destructive inflammation in the kidneys, enabling better recovery and maintaining important functions. The peptide reduced immune cell movement, resolved inflammation, and improved kidney function without increasing blood pressure.

SourceMedical College of Georgia at Augusta University·JournalKidney International·DateMar 25, 2019

Deep time tracking devices: Fossil barnacles reveal prehistoric whale migrations

Scientists used fossil and modern whale barnacles to reconstruct the movements of ancient humpback and grey whales. The study found that summer-breeding and winter-feeding migrations have been a consistent part of these whales' way of life for hundreds of thousands of years.

SourceSmithsonian Tropical Research Institute·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Bacteria may travel thousands of miles through the air globally

Researchers propose the 'air bridge' hypothesis, suggesting bacteria can be transported globally through the air, sharing antibiotic resistance genes. Studies collected from hot springs worldwide found identical viral DNA memories in bacteria from distant locations.

SourceRutgers University·JournalPhilosophical Transactions of the Royal Society of London (B )·DateMar 25, 2019

Does story time with an e-book change how parents and toddlers interact?

A new study by Michigan Medicine found that parents and toddlers interact less with electronic books compared to print books, leading to reduced verbalization and quality of interactions. Parents tend to focus on technology rather than the story, hindering parent-guided conversation.

SourceMichigan Medicine - University of Michigan·JournalPEDIATRICS·DateMar 25, 2019
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.

Hollings researcher receives funding to harness power of imaging

Thierry Pécot, a Hollings Cancer Center researcher, has received a $1.1 million grant from the Chan Zuckerberg Initiative to develop deep learning tools for biomedical image analysis. The goal is to enable biologists to apply these tools to their images and accelerate disease research.

SourceMedical University of South Carolina·DateMar 25, 2019

Icy giant planets in the laboratory

Scientists from HZDR drove shock waves through plastics to simulate planetary conditions and observed crystalline structures at extreme pressures. The discovery may require revised models of Uranus and Neptune's interiors, suggesting less free hydrogen than previously thought.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalScientific Reports·DateMar 25, 2019

Biodiversity changes in early Paleozoic Era

Marine biodiversity experienced two bursts of accumulation during the Cambrian Explosion and Great Ordovician Biodiversification Event. The latter coincided with falling equatorial sea-surface temperatures, suggesting a narrow temperature window was required for marine life.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019
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.

Handshakes or contracts?

A new study found that improvements in property damage and casualties differ for fire departments with informal, formal, or contract-based collaborations. Formal contracts improve performance on goals firefighters are motivated to achieve, but may negatively impact motivation for other important goals.

SourceUniversity of Toronto, Rotman School of Management·JournalStrategic Management Journal·DateMar 25, 2019

New properties of perovskite solar cells

Researchers found that perovskite solar cells are stable up to 300 Gy of γ-radiation but suffer a rapid drop in efficiency with further increases in dose. The study aims to find more stable materials, which could make perovskite solar cells suitable for use in space

SourceUral Federal University·JournalThe Journal of Physical Chemistry Letters·DateMar 25, 2019
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.

ANU scientists solve mystery shrouding oldest animal fossils

Researchers have discovered that Dickinsonia fossils do not reveal all the features of the earliest known animals. The study suggests that simple physical properties of sediments can explain the preservation of these soft-bodied creatures.

SourceAustralian National University·JournalNature Ecology & Evolution·DateMar 25, 2019

Deforestation and drinking water quality

A study by Hisahiro Naito and Annie Mwayi Mapulanga found that deforestation in Malawi is associated with lower safe drinking water usage, despite increased runoff. The authors estimate a 9% decrease in precipitation equivalent to a 14% loss of forest area, highlighting the importance of preserving forests for water source protection.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019
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.

BU researchers discover therapeutic target of melanoma

Researchers have identified microphthalmia-associated transcription factor (MITF) as a pivotal protein in the maintenance of melanocytes and survival of melanoma cells. A chemical inhibitor of MITF has been found to prevent growth of human melanoma cells, suggesting that MITF expression levels can predict sensitivity to such therapies.

SourceBoston University School of Medicine·JournalCancer Research·DateMar 25, 2019

Patient online consultation requests 'mirror' busiest surgery times

A University of Warwick study reveals that patients use online consultations in the same way they would book a traditional appointment, with highest usage during busy weekdays and weekends. The study highlights opportunities to tailor platforms to patient needs, improving their experience.

SourceUniversity of Warwick·JournalBritish Journal of General Practice·DateMar 25, 2019

MD Anderson study may explain why immunotherapy not effective for some patients with metastatic melanoma and kidney cancer

A new study by MD Anderson Cancer Center suggests that certain B cells with unique characteristics can predict which patients are most likely to respond to immunotherapy for metastatic melanoma and kidney cancer. The researchers found that activated B cells with specific phenotypes were associated with a better response to treatment.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateMar 25, 2019
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.

Genetic variants may influence poststroke recovery

A meta-analysis of 12 international stroke studies identified common genetic variants associated with poststroke recovery outcomes. The study found a significant genetic variant linked to worse outcomes, and suggests that genes may contribute to individual differences in recovery.

SourceUniversity of Gothenburg·JournalNeurology·DateMar 25, 2019

OU study finds climate warming accelerates tallgrass prairie bioiversity

A University of Oklahoma study found that climate warming significantly impacts microbial biodiversity in tallgrass prairies, with warmer temperatures increasing phylogenetic diversity over time. This could have significant implications for ecosystem management and conservation strategies.

SourceUniversity of Oklahoma·JournalNature Ecology & Evolution·DateMar 25, 2019

Tepper School research identifies new e-reader pricing strategy

Researchers suggest dynamic pricing strategy that targets both avid and casual readers, with hardware prices initially high and then lowered while e-book prices increased, locking in consumers and generating ecosystem of products. This approach can be applied to various complementary products beyond tech.

SourceCarnegie Mellon University·JournalManagement Science·DateMar 25, 2019
Meta Quest 3 512GB

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

A varied menu

Researchers found that the carnivorous waterwheel plant catches a wide variety of prey, including fast-swimming animals and slow-moving snails. The plant's diverse diet may be an adaptation to its fragmented habitats.

SourceUniversity of Freiburg·JournalIntegrative Organismal Biology·DateMar 25, 2019

Matter waves and quantum splinters

Researchers at Rice University and Austria's Vienna University of Technology shatter ultracold BECs, revealing two distinct phenomena depending on the frequency of shaking. The team observes grains of varying sizes in some experiments, attributed to quantum correlations that challenge standard theories.

SourceRice University·JournalPhysical Review X·DateMar 25, 2019

UBC researchers develop new heart valve aimed at high-risk patients

Researchers at UBC have created a durable nanocomposite biomaterial heart-valve that enables the heart to adapt faster and more seamlessly. The new design is made from naturally derived materials, such as gels, vinyl, and cellulose, and can be inserted into patients through small incisions, reducing implantation risks.

SourceUniversity of British Columbia Okanagan campus·DateMar 25, 2019

A fascinating phase transition: From one liquid state to another

A team at The University of Tokyo has described a rare phenomenon called liquid-to-liquid phase transitions in pure substances. The study found that a liquid made of one type of molecule can switch between liquid and glassy states, offering a novel way to control transport properties.

SourceInstitute of Industrial Science, The University of Tokyo·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Income inequalities in Indigenous groups linked to mental health issues

A study found persistent income-related inequalities in psychological distress and suicidal behaviors among Indigenous peoples. Improving social determinants of health, such as income and food availability, may help address these mental health issues.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateMar 25, 2019

CRISPR-chip enables digital detection of DNA without amplification

Researchers have developed a CRISPR-based graphene biosensor that enables digital detection of DNA without amplification, allowing for fast and accurate genetic mutation testing. The system uses CRISPR's genome-searching capability and graphene's sensitivity to detect target genes without amplification.

SourceKeck Graduate Institute·JournalNature Biomedical Engineering·DateMar 25, 2019

Scientists squeeze catalysts inside host materials like a ship into a bottle

Researchers at Queen Mary University of London have found a way to confine catalysts in tiny pores of host materials, leading to increased activity and novel properties. The new approach, called Pourbaix-Enabled Guest Synthesis, uses thermodynamics to overcome challenges and create multifunctional materials.

SourceQueen Mary University of London·JournalNature Communications·DateMar 25, 2019

'Technoference': We're more tired & less productive because of our phones

A QUT-led study found a significant increase in 'technoference' over the past 13 years, with 24% of women and 15% of men identified as problematic mobile phone users. The survey also revealed correlations between problem phone use off the road and on the road, as well as increased risk-taking behaviors.

SourceQueensland University of Technology·JournalFrontiers in Psychiatry·DateMar 25, 2019

Restoring this enzyme's function protects against heart disease in lupus and beyond

Researchers at MUSC have shown that restoring the enzyme's ability to produce nitric oxide can help protect against heart disease in lupus patients. The study suggests that this approach could also be relevant to heart disease more broadly, by promoting endothelial cell function and reducing inflammation.

SourceMedical University of South Carolina·JournalLupus Science & Medicine·DateMar 25, 2019

Migratory routes of prehistoric baleen whales

Researchers analyzed oxygen isotope signatures from whale barnacle shells to reconstruct ancient migration patterns. The study found consistent seasonal variations in oxygen isotopes, mirroring modern whale migration patterns and suggesting that baleen whales have retained their migratory routes for over 270,000 years.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Listening to the quantum vacuum

Physicists have created a device that can detect and measure quantum radiation pressure noise, a significant source of uncertainty in gravitational wave detectors. The breakthrough aims to improve the sensitivity of next-generation detectors, potentially leading to more accurate detections.

SourceLouisiana State University·JournalNature·DateMar 25, 2019

New insights into genetics of fly longevity

A new study published by the Moskalev Lab has revealed how overexpressing the pro-longevity gene Gclc in Drosophila melanogaster leads to life extension and changes in the thorax's transcriptome, including genes involved in metabolism, immune system, and circadian rhythmicity.

SourceInSilico Medicine·JournalFrontiers in Genetics·DateMar 25, 2019

Brain stem cells age faster in MS patients

Researchers found that brain stem cells from primary progressive MS patients act and look older than normal cells, affecting myelin production. Blocking a specific protein may improve oligodendrocyte growth and offer new treatment options.

SourceUniversity of Connecticut·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Groin and hips of hockey players examined in five-second test

Researchers developed a simple field test to evaluate hockey players' groin and hip function. The test, called the five-second squeeze test, correlates pain levels with impaired sporting function and diminished hip muscle strength.

SourceLund University·JournalOrthopaedic Journal of Sports Medicine·DateMar 25, 2019

New CRISPR-powered device detects genetic mutations in minutes

A new CRISPR-based device, CRISPR-Chip, can detect specific genetic mutations in a matter of minutes. The device uses graphene transistors to scan DNA samples and report results electronically, bypassing the need for polymerase chain reaction amplification.

SourceUniversity of California - Berkeley·JournalNature Biomedical Engineering·DateMar 25, 2019

Contraceptive jewelry could offer a new family planning approach

Researchers at Georgia Institute of Technology developed a technique for administering contraceptive hormones through special backings on jewelry, allowing for improved user compliance with drug regimens. The technology may also be used to deliver other drugs through the skin.

SourceGeorgia Institute of Technology·JournalJournal of Controlled Release·DateMar 25, 2019

Study: Chinese youth more hawkish than older generations

A new study by Cornell University professor Jessica Chen Weiss reveals that younger Chinese are more hawkish in their foreign policy beliefs compared to older generations. The majority of the Chinese public supports greater military reliance and increased defense spending. However, opinions are sensitive to broader information and stra...

SourceCornell University·JournalJournal of Contemporary China·DateMar 25, 2019

Parkinson's disease, genes, and smoking

Researchers identified specific variations in human leukocyte antigen (HLA) genes associated with increased or decreased risk of Parkinson's disease. A history of cigarette smoking modified these associations, suggesting a possible explanation for the apparent protective effect of smoking on PD.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

How debt affects decisions and cognitive health

A study on chronically indebted individuals in Singapore found that debt relief reduces anxiety and improves financial decisions. Paying off total debt was more effective than reducing partial debts.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

UTSA chemist Banglin Chen receives prestigious Humboldt Research Award

Banglin Chen, a renowned UTSA chemist, has received the Humboldt Research Award for his innovative work on metal-organic frameworks (MOFs) that can reduce hydrocarbons in plastics. His research focuses on developing membranes and commercializing materials for large-scale gas separations.

SourceUniversity of Texas at San Antonio·DateMar 25, 2019

New paper on the phylogeny of the Brassicaceae

A recent study from the Max Planck Institute for Plant Breeding Research resolves the relationships among major lineages in the Brassicaceae family. The study uses nuclear genes to infer the relationships of 79 species, representing 50 of the 52 currently recognized main lineages.

SourceMax Planck Institute for Plant Breeding Research·JournalNew Phytologist·DateMar 25, 2019

Mothers of fussy babies at higher risk of depressive symptoms

A recent University of Michigan-led study found that mothers of fussy babies are at a higher risk of experiencing depressive symptoms. The study explored whether a baby's level of prematurity in combination with infant fussiness influences the severity of maternal depressive symptoms.

SourceMichigan Medicine - University of Michigan·JournalAcademic Pediatrics·DateMar 25, 2019

Whitefly manipulation of plant odor signals

Researchers found that whitefly-infested plants release volatiles that suppress jasmonic acid-dependent defenses and increase salicylic acid levels in neighboring plants. This allows the whiteflies to develop faster and supports their next generation.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateMar 25, 2019

Catalyst advance removes pollutants at low temperatures

Researchers developed a catalyst that can remove pollutants at low temperatures, outperforming current technology and reducing platinum required. The breakthrough could have significant impact on exhaust emission control, directly addressing the 150-degree challenge.

SourceWashington State University·JournalNature Communications·DateMar 25, 2019

Hubble captures birth of giant storm on Neptune

A team of planetary scientists used Hubble images to track the growth of a new Great Dark Spot on Neptune, finding that dark spots originate deeper in the planet's atmosphere than previously thought. The study also revealed that these storms occur with a frequency of every four to six years and last up to six years.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateMar 25, 2019

Recovery from sperm suppression due to performance-enhancing drug abuse is slow

Researchers found that men who stopped using performance-enhancing hormones experienced complete recovery of sperm production and hormone levels within nine to 18 months. However, testicular size remained smaller than normal in some cases. The study provides valuable insights for endocrinologists caring for men affected by androgen abuse.

SourceThe Endocrine Society·DateMar 25, 2019

Abused kids use text-based services to seek help, study shows

A new study found that many children who contact crisis hotlines use text-based communication to report abuse and neglect. The study, conducted by Purdue University researchers, suggests that implementing text or chat-based communication methods could be essential for social and health services hoping to reach young people.

SourcePurdue University·DateMar 25, 2019

The Forces behind South and Central China's Extremely Hot Summer

A scientific collaboration found that a high-pressure system in the atmosphere directly caused the extreme heat, while increased sea surface temperatures contributed about 50% to the 2017 heat. The researchers also identified the western tropical Pacific as a key factor influencing regional temperatures.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateMar 25, 2019

Wagers winter plants make to survive

Ecologists at the University of Arizona identified a tradeoff between water use and reproduction that allows winter desert plants to survive. The study found that plants conserving water and growing slowly, or spending water by tracking rainfall, are best balanced along this tradeoff.

SourceUniversity of Arizona·JournalEcology Letters·DateMar 25, 2019

Researchers unveil effects of dust particles on cloud properties

Dust particles from glacial outwash plains can serve as efficient nuclei for ice nucleation, contributing significantly to ice nucleation in Arctic low-level clouds. This study highlights the impact of high-latitude dusts on glaciation and adds to our understanding of climate regulation by clouds.

SourceResearch Organization of Information and Systems·JournalNature Geoscience·DateMar 25, 2019

UMD-Led researchers' wood-based technology creates electricity from heat

A team of researchers from the University of Maryland has developed a heat-to-electricity device using a piece of wood, which can potentially be used to generate energy from body heat. The device uses ions and unique properties of the wood's natural nanostructures to convert low-grade heat into electrical signal.

SourceUniversity of Maryland·JournalNature Materials·DateMar 25, 2019

LSU Health study reports continued PTSD in women exposed to deepwater horizon oil spill

A recent LSU Health study reports high levels of trauma and post-traumatic stress disorder (PTSD) symptoms among women exposed to the 2010 Deepwater Horizon oil spill. The research found that nearly half of these women did not receive mental health treatment in the past year, underscoring the need for better access to care.

SourceLouisiana State University Health Sciences Center·JournalJournal of Affective Disorders·DateMar 25, 2019

New mechanism of action found for agricultural pesticide fludioxonil

Agricultural pesticide fludioxonil kills fungi by delivering a metabolic shock through the formation of reactive stress molecules, which triggers a biochemical cascade leading to cell death. The researchers discovered that fludioxonil produces methylglyoxal, a highly reactive chemical, which activates the lethal HHK cascade.

SourceUniversity of Wisconsin-Madison·JournalScientific Reports·DateMar 25, 2019