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Science News Archive March 2019 - Page 4


Page 4 of 43

How mosquitoes smell human sweat (and new ways to stop them)

Mosquitoes use an olfactory coreceptor called Ir8a to detect acidic volatiles found in human sweat, which is necessary for their host detection system. The study suggests new approaches for designing improved mosquito repellents and potentially even a life-saving perfume.

SourceCell Press·JournalCurrent Biology·DateMar 28, 2019

2019 HFSP Postdoctoral Fellowships

The Human Frontier Science Program has awarded 89 fellowships to outstanding young life scientists from around the world. The new fellows will conduct innovative research in biology, including studies on skin-based lymph nodes, motor proteins for translation, and temporal learning.

SourceHuman Frontier Science Program·DateMar 28, 2019

3D printed tissues may keep athletes in action

Researchers at Rice University have created 3D-printed scaffolds that can mimic the physical characteristics of osteochondral tissue, a hard bone beneath a compressible layer of cartilage. The scaffolds are designed to promote healing and potentially treat common sports injuries.

SourceRice University·JournalActa Biomaterialia·DateMar 28, 2019
Apple iPhone 17 Pro

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

Fungal disease threatens hundreds of amphibian species worldwide

A global-scale analysis reveals that chytrid fungus has caused dramatic population declines in over 500 amphibian species, including 90 extinctions, within the past 50 years. The study suggests that conservation efforts can help target future research to prevent extinctions.

SourceUniversity of Maryland·JournalScience·DateMar 28, 2019

Virtual reality could be used to treat autism

Researchers from the University of Waterloo found that virtual reality can help individuals with autism and other neurological disorders recalibrate their internal clock. The study used a VR game to encourage participants to adjust their time perception, resulting in significant reductions in estimates of time by around 15 percent.

SourceUniversity of Waterloo·JournalScientific Reports·DateMar 28, 2019

Five new frog species from Madagascar

Scientists have named five new species of tiny frogs found across the island of Madagascar, belonging to the 'narrow-mouthed' frog family. These miniature frogs are remarkable for their extreme miniaturization, with some species reaching lengths as small as 7.7 mm.

SourceLudwig-Maximilians-Universität München·JournalPLOS ONE·DateMar 28, 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.

Surgical implications of rising heroin abuse

The article discusses the rising trend of heroin abuse in the US, which has led to an increase in surgical complications such as skin and soft tissue infections, septic thrombophlebitis, and mycotic pseudoaneurysms. Rapid recognition and management of these complications are crucial to prevent life-threatening outcomes.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalSurgical Infections·DateMar 28, 2019

CNIO researchers identify a new gene involved in the development of a rare endocrine tumour

Researchers from the CNIO Hereditary Endocrine Cancer Group have identified a new gene, DLST, involved in the development of paragangliomas and phaeochromocytomas. Mutations in this gene were found to be directly linked to the disease, providing a potential breakthrough in diagnosis and treatment.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalAmerican Journal of Human Genetics·DateMar 28, 2019

How to make self-driving cars safer on roads

A new mathematical method developed by USC researchers can identify anomalies in self-driving cars' perception algorithms before they hit the road, improving safety. The method uses 'sanity conditions' to test machine learning tools and can be used to pinpoint specific problems and retrain the algorithms for faster error detection.

SourceUniversity of Southern California·DateMar 28, 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.

What Americans know about science

A survey of 4,464 adults found that Americans with higher education levels score higher on science knowledge. Whites outperform Hispanics and blacks on the science knowledge scale, while men generally outscore women. Republicans and Democrats hold similar levels of science knowledge.

SourcePew Research Center·DateMar 28, 2019

New model predicts substantial reduction of malaria transmitting mosquitoes

A new model predicts substantial reduction of malaria transmitting mosquitoes in West Africa by introducing genetically modified male mosquitoes with a driving-Y chromosome. The approach, which targets the most important species of malaria mosquitoes, has the potential to reduce populations and ultimately eliminate disease transmission.

SourceUniversity of Oxford·JournalBMC Biology·DateMar 28, 2019

A compass pointing west

At the level of nanoscopic structures made of magnetic layers, researchers at PSI have discovered a special magnetic interaction that enables the development of planar magnetic networks. These interactions allow for the creation of synthetic antiferromagnets and logical gates suitable for constructing computer memories and switches.

SourcePaul Scherrer Institute·JournalScience·DateMar 28, 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.

Bacteria partners with virus to cause chronic wounds, Stanford study finds

A Stanford study finds that a bacterial pathogen produces a virus that increases its ability to infect humans and causes the immune system to mount an antiviral response. The discovery could lead to new ways of preventing chronic infections by keeping antibiotic-resistant bacteria from getting a foothold in wounds.

SourceStanford Medicine·JournalScience·DateMar 28, 2019

New way of designing systems against correlated disruptions uses negative probability

Researchers have developed a new method to design systems with greater disaster resistance and resilience by incorporating negative probability. This method models correlated disruptions as independent impacts on virtual supporting stations, reducing complexity and enabling easier calculation of probabilities.

SourceUniversity of Illinois Grainger College of Engineering·JournalTransportation Research Part B Methodological·DateMar 28, 2019

Same microbe, different effect

Researchers have identified over 7,000 structural variants in human gut microbiomes associated with disease risk and weight. These variants were found to be linked to a specific ability of bacteria to produce butyrate, a substance with anti-inflammatory effects.

SourceWeizmann Institute of Science·JournalNature·DateMar 28, 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.

Videos to tell the youngest generations about science

The UC3M's FECYT project produces educational videos addressing topics like self-driving vehicles, therapy robots, and rare illnesses, combining humour, scientific discoveries, and ethical dilemmas to engage young viewers.

SourceUniversidad Carlos III de Madrid·DateMar 28, 2019

A ventilation system proves effective at reducing hospital infections

A new ventilation system has been shown to reduce the risk of airborne infections in hospital rooms, which can cause serious complications for immunosuppressed patients. The study found that displacement ventilation systems can reduce the risk of exposure to airborne pathogens compared to traditional mixing ventilation systems.

SourceUniversity of Córdoba·JournalPLOS ONE·DateMar 28, 2019

Shrimp claw inspires new method of underwater plasma generation

Researchers at Texas A&M University have developed a new method of underwater plasma generation using a snapping shrimp's claw, producing jets of plasma reaching over 3,000 degrees Fahrenheit. This discovery could provide significant improvements for actions ranging from water sterilization to drilling.

SourceTexas A&M University·JournalScience Advances·DateMar 28, 2019

ORNL investigates complex uranium oxides with help from CADES resources

Scientists at ORNL used computational methods to evaluate 4,600 potential crystal structures of uranium oxide compositions, identifying a potentially stable crystalline phase for U2O7. Their findings could lead to a better understanding of how crystalline and amorphous uranium materials form in the nuclear fuel cycle.

SourceDOE/Oak Ridge National Laboratory·JournalOptical Materials·DateMar 28, 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.

Introducing a kinder, gentler way to blow holes in cells

Scientists have developed a kinder gentler way to deliver big molecules like Cas9 enzyme into cells, improving efficiency and safety. The new technique, nanopore-electroporation, creates fewer than a dozen tiny holes in each cell, allowing for more effective gene editing and delivery of therapeutic proteins.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateMar 28, 2019

Changes in onset of spring linked to more allergies across the US

Research from University of Maryland suggests climate change is driving an increase in seasonal allergic rhinitis, or hay fever, with areas experiencing earlier springs having a 14% higher prevalence of the condition. This is due to a longer season for tree pollen and simultaneous blooms of multiple tree species.

SourceUniversity of Maryland·JournalPLOS ONE·DateMar 28, 2019

Studying reintroduction of bull trout with simulations

A team of researchers used a simulation to project the genetic and demographic outcomes of bull trout reintroduction in Washington State, focusing on connectivity and habitat availability. The study found that sufficient gene flow and unoccupied patches are key to maintaining genetic variation and persistence.

SourceVirginia Tech·JournalEcosphere·DateMar 28, 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.

Arbitrary categories improve visual learning transfer, study finds

A new study at Brown University found that using arbitrary categories can improve the transfer of visual learning to real-life skills. Participants trained on categorizing blurry striped circles showed significant improvement in recognizing patches with the same angle, even when not training specifically on it.

SourceBrown University·JournalCurrent Biology·DateMar 28, 2019

Most precise measurements of sickle cell disease building blocks could lead to new treatments

A breakthrough study has revealed that the building blocks of sickle cell disease are much less efficient at organizing than previously thought. This finding could lead to new treatments, including medicines prescribed at lower doses, and improve outcomes for approximately 20 million people worldwide who suffer from the lifelong disease.

SourceUniversity of Minnesota·JournalScience Advances·DateMar 28, 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.

Cancer prevention drug also disables H. pylori bacterium

Researchers found that the medicine DFMO not only blocks cell growth but also directly targets H. pylori to reduce its virulence. This could lead to a new strategy for preventing stomach cancer. The study supports further research into using DFMO to prevent stomach cancer.

SourceVanderbilt University Medical Center·JournalProceedings of the National Academy of Sciences·DateMar 28, 2019

Digital health must be reimbursed to cope with chronic disease

The European Society of Cardiology calls for reimbursement of digital health technologies to manage chronic diseases. Home-based care models, such as smartphone apps connected to medical devices, are more effective than traditional hospital visits in reducing blood pressure and improving patient outcomes.

SourceEuropean Society of Cardiology·JournalEuropean Journal of Preventive Cardiology·DateMar 28, 2019

Mass amphibian extinctions globally caused by fungal disease

A global study found that a fungal disease has caused dramatic population declines in more than 500 amphibian species, resulting in 90 extinctions. Chytridiomycosis is present in over 60 countries and is considered one of the most damaging invasive species worldwide.

SourceAustralian National University·JournalScience·DateMar 28, 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.

Maternal diet during pregnancy may modulate the risk of ADHD symptoms in children

A study by ISGlobal found that a higher omega-6:omega-3 ratio in umbilical cord plasma is associated with an increased risk of ADHD symptoms in children. The research suggests that maternal diet during pregnancy plays a crucial role in shaping the child's brain development and may impact their future health.

SourceBarcelona Institute for Global Health (ISGlobal)·JournalThe Journal of Pediatrics·DateMar 28, 2019

Cities under pressure

Researchers at Newcastle University found that balancing sustainability objectives is a complex challenge. The 'best case' scenario for London involves concentrating development in central areas to reduce flood risk, transport emissions, and urban sprawl, but this comes at the cost of exposing more people to extreme temperatures.

SourceNewcastle University·JournalCities·DateMar 27, 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.

Study shows arctic warming contributes to drought

A new study reveals that arctic warming contributes to drought in mid-latitude regions by reducing precipitation and weakening wind patterns. Researchers analyzed geological evidence from lakes and glaciers to estimate past dry conditions, finding that Wyoming experienced several thousand years of drought-like periods.

SourceUniversity of Wyoming·JournalNature·DateMar 27, 2019

VUMC and TGen receive $6.1 million in grants to study deadly lung disease

Researchers at VUMC and TGen are studying Idiopathic Pulmonary Fibrosis (IPF), a progressive and irreversible lung disease affecting 50,000 Americans annually. The grants will help identify specific gene expression changes driving the disease, potentially leading to earlier diagnosis and more effective treatments.

SourceVanderbilt University Medical Center·DateMar 27, 2019

Glowing tumors show scientists where cancer drugs are working

Researchers at Johns Hopkins Medicine have developed a new technique using PET scans to track the interaction between cancer drugs and tumor cells, providing valuable insights into how effective treatment is. This breakthrough could streamline cancer therapy by enabling doctors to tailor treatments, determine therapeutic doses, and avo...

SourceJohns Hopkins Medicine·JournalJournal of Clinical Investigation·DateMar 27, 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.

Interest in RNA editing heats up

Researchers are exploring RNA editing as a way to treat diseases without permanent genetic changes. This approach uses an enzyme called ADAR to make precise edits to RNA, which can be reversible and avoid the risks of CRISPR.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateMar 27, 2019

Mars' rivers flowed stronger and more recently than previous estimates

Researchers found that Mars' rivers were twice as wide as those on Earth and had intense flow persisting until one billion years ago. This suggests a global, long-lived phenomenon of climate-driven precipitation during low-atmosphere conditions on Mars.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateMar 27, 2019

Eating small amounts of red and processed meats may increase risk of death

A new study found that consuming even small amounts of red meat may increase the risk of death from all causes, especially cardiovascular disease. The research, part of the Adventist Health Study-2, analyzed over 7,900 individuals and found a significant association between low intake of red and processed meats and higher risks of tota...

SourceLoma Linda University Adventist Health Sciences Center·JournalNutrients·DateMar 27, 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.

New medication gives mice bigger muscles

Researchers have developed a new group of medicinal products called IASPs that increase muscle and bone mass in mice. The treatment has shown promise in counteracting osteoporosis and improving muscle mass, but its effects on blood cells are still being studied.

SourceAarhus University·JournalThe FASEB Journal·DateMar 27, 2019

Artificial intelligence can predict premature death, study finds

A team of healthcare data scientists and doctors developed an AI system using machine learning algorithms to predict the risk of early death due to chronic disease. The system performed better than current standard approaches and showed promise in improving preventative healthcare.

SourceUniversity of Nottingham·JournalPLOS ONE·DateMar 27, 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.

Lipid vesicles transmit luminous or electrical signals

Liposomes, small artificial structures with lipids and aqueous cores, have been engineered to transmit light or electrical signals. By incorporating magnetic nanoparticles and fluorescent molecules, the vesicles can be controlled by magnets and used for Boolean logic operations, enabling on/off signal transmission.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalRoyal Society Open Science·DateMar 27, 2019

Rural America needs more headache specialists, WVU researcher says

A recent study by WVU researchers found that rural Americans with migraines often face long travel distances and financial barriers to accessing specialized care. The study highlights a nationwide shortage of headache specialists, which can exacerbate the economic impact of migraine in low-income areas.

SourceWest Virginia University·JournalCurrent Pain and Headache Reports·DateMar 27, 2019