Bluesky Facebook Reddit Email

Science News Archive 2019


Page 122 of 486

Collaboration may improve access to HIV testing, primary care

A new study by the University of Michigan found that interprofessional collaboration and on-the-job training significantly improve linkages to HIV testing and primary care. This can help decrease HIV transmission and promote viral suppression among vulnerable populations.

Early warning signals heralded fatal collapse of Krakatau volcano

Researchers at GFZ Potsdam identified clear warning signs before the Anak Krakatau volcano's flank collapse, which triggered a deadly tsunami. The study analyzed data from various sources, including satellites and seismic data, to better understand the event and improve early warning systems for other volcanoes.

Molecular motors -- Rotation on an eight-shaped path

Researchers at LMU develop first molecular motor that moves on an eight-shaped path using hemithioindigo dyes and green light. The new motor system offers improved switching properties and reduces environmental harm compared to existing motors.

Apple iPhone 17 Pro

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

Study finds rising ozone a hidden threat to corn

A new study found that genetically diverse corn plants have varying responses to high ozone levels, with some experiencing yield losses of up to 10%. The research could lead to the development of ozone-resistant corn varieties, helping plant scientists address the hidden threat to corn agriculture.

Acute psychotic illness triggered by Brexit Referendum

A middle-aged man experienced a brief episode of acute psychosis after the 2016 Brexit Referendum, highlighting the potential impact of political events on mental health. The case highlights the importance of identifying early warning signs and providing prompt treatment to ensure quick recovery.

Why multipartite viruses infect plants rather than animals

Researchers used mathematical models and computer simulations to explain why multipartite viruses predominantly infect plants, rather than animals. The studies found that these viruses can colonize structured populations with less resistance, making them more advantageous for plant hosts.

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.

Room for improvement in drug dosage timing in hospitals

A new study found that hospitals often administer medications based on practical staff scheduling rather than ideal dosing times. This can lead to undertreatment of pain and other medical conditions. Researchers are working to adjust drug administration protocols to better align with patients' needs.

A brain protein that could put the brakes on Alzheimer's

Scientists have identified a key role for the brain protein TOM-1 in regulating inflammatory responses, which are linked to Alzheimer's disease. By restoring TOM-1 levels, the study found improved pathology and cognitive problems associated with the disease.

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.

Intriguing discovery provides new insights into photoelectric effect

Researchers discovered asymmetrical movement of free electrons in photoelectric effect, enabling better control over electrons and potentially improving chemistry reactions. The study used ultrashort laser pulses to disrupt the electrons' behavior, allowing them to move sideways for the first time.

The future of bone healing

Researchers at UTA are developing a groundbreaking treatment to accelerate the healing of cranial injuries using live 3D printing and regenerative antioxidant materials. The approach has the potential to shorten healing time and make treatment more accessible for patients.

Meta Quest 3 512GB

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

Gene responsible for lutein esterification in bread wheat identified

Researchers have identified the gene Xanthophyll acyl-transferase (Xat) as the key to lutein esterification in bread wheat. This process increases carotenoid stability and retention during storage, maintaining nutritional quality. The discovery opens new opportunities for improving cereal nutrition and addressing carotenoid degradation.

Estimating calorie content not clear-cut for all -- Otago study

A new University of Otago study found that people have varying levels of knowledge about food energy and portion sizes. Inaccurate judgements about these factors can result in overeating and subsequent weight issues. To combat this, the researchers suggest providing more explicit and salient energy labels on food packages.

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.

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.

The science of mindfulness -- What do we really know and where do we go?

A special issue of Current Opinions in Psychology maps the state of mindfulness research, exploring its historical foundations, clinical applications, and social implications. The study reveals that mindfulness can be learned and applied uniquely across different contexts, with mobile apps emerging as a promising platform for deliverin...

Retired UT extension specialist inducted into National Hall of Fame

John Campbell, a retired UT Extension specialist, was inducted into the National Association of County Agricultural Agents' (NACAA) Hall of Fame for his commitment to community service and effective leadership. He served nine counties as an area farm management specialist and helped develop state-wide programming.

The rise of deal collectives that punish profits

Researchers find that consumers are better at identifying and reacting to deals, constructing 'deals' with unintended value through crowdsourced online forums. This can lead to stockouts, logistical problems, and anti-company sentiment among consumers.

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.

Step forward in falling research

University of Queensland researchers studied human responses to unexpected changes in environment, like falling into a hole. They found that humans use different strategies to stabilize themselves based on the drop height and utilized distal lower-limb joints such as the ankle for energy absorption at low drop heights.

Can humans exploit the genetics of a mouse that regrows axons after injury?

Scientists at the Buck Institute are exploring the genetics of mice that can regrow axons after injury to develop new treatments for human brain injuries and diseases. The researchers will use a new method to identify genetic differences between closely related species, which may hold the key to boosting lifespan or healthspan in humans.

Celestron NexStar 8SE Computerized Telescope

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

Safeguarding the world's largest tuna fishery

A new study using FAD tracking data, ocean models and simulation methods reveals the trajectories and potential impact of FADs on fisheries and island nations. The research found that over 2000 FADs wash up on beaches and coral reefs every year, with significant impacts on bycatch species and reef damage.

ATS/IDSA publishes clinical guideline on community acquired pneumonia

The new guideline offers evidence-based recommendations for diagnosing and treating community-acquired pneumonia in adults, with a focus on outpatient settings. It suggests using amoxicillin as first-line empiric therapy, while also recommending more microscopic studies of respiratory tract samples to avoid unnecessary antibiotic use.

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.

Product authentication at your fingertips

A team of researchers has fabricated silver nanoparticles that can rapidly change color in response to moisture, enabling fast and reversible switching of plasmonic color in solids. This technology holds promise for applications in product authentication, information encryption, and sensing.

Jellyfish's 'superpowers' gained through cellular mechanism

Researchers at Tohoku University have discovered the cellular mechanisms behind jellyfish's remarkable ability to regenerate body parts. The study found that free-swimming adult jellyfish possess actively proliferating cells controlling body-size, tentacle shape, and regeneration.

Fatal flaws in UK Government's price of a life

A UK government-used VPF valuation undervalues human life due to insufficient sample size and invalid interpretation methods. An alternative method called J-value offers an accurate assessment by balancing safety spend against extended life expectancy, valuing a life at £8.59 million.

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.

Horse nutrition: Prebiotics do more harm than good

Commercially available prebiotic supplements can break down in horses' stomachs, leading to inflammation. However, feeding a specific type of prebiotic, Jerusalem artichoke meal, increased bacterial diversity in the entire digestive tract.

No evidence that power posing works

Iowa State University researcher Marcus Credé found nearly all power posing studies were poorly designed and failed to compare power poses to normal poses. Only four studies met the criteria, showing that feelings of power diminished when compared to neutral pose.

New study links vitamin C therapy to better survival rates after sepsis

A new study published in JAMA found that treating septic patients with intravenous vitamin C infusions significantly reduced mortality and improved recovery times. The trial showed a 30% reduction in mortality at day 28 compared to the placebo group, and patients spent three fewer days in the ICU.

Science proves that what doesn't kill you makes you stronger

Researchers found that early-career failure leads to greater success for those who try again, with near-miss scientists publishing more hit papers than their just-made-it counterparts. The study suggests a counter-narrative to the Matthew Effect, highlighting the value of failure in future career impact.

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.

Bacteria bullets target toxic algae

Researchers at the University of Delaware have invented a bacteria-based application to prevent or mitigate harmful algal blooms, specifically targeting dinoflagellates responsible for red tides. The algicide, embedded in gel beads, is environmentally neutral and can be deployed in coastal waters as needed.

Pua lands NIH Director's New Innovator Award

Heather Pua, an assistant professor at Vanderbilt University Medical Center, has received a 2019 National Institutes of Health (NIH) Director's New Innovator Award. She will investigate the role of extracellular RNAs in allergic airway inflammation, with potential implications for new therapies and diagnostics.

The private lives of sharks

Researchers attached video cameras and sensors to white sharks to study their underwater hunting behavior. The findings suggest that white sharks actively search and pursue seals in deeper waters at night, contradicting the common assumption of surface-based prey capture during dawn and dusk.

Fluke 87V Industrial Digital Multimeter

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

St. Jude neuroscientist Lindsay Schwarz receives a 2019 NIH Director's Award

Lindsay Schwarz, a St. Jude Children's Research Hospital neuroscientist, has won the prestigious NIH Director's New Innovator Award for her groundbreaking research on norepinephrine neurons and neural circuits. The award supports her innovative approaches to developing new molecular tools that target specific cell populations.

Stopping the spread of cancer

Biomedical engineer Tara Deans receives $1.5 million grant to develop alternative platelets that can help stop tumor cells from spreading in the bloodstream. Her lab will engineer platelets with proteins that kill cancer cells, inspired by her friend's diagnosis with blood cancer.

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.

Do celiac families need 2 toasters?

A preliminary study from Children's National Hospital found no significant gluten transfer when tools like the same toaster or knives are used for both gluten-free and gluten-containing foods. Basic kitchen hygiene can further reduce gluten transfer.