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Science News Archive 2019


Page 36 of 486

Satellite imagery shows Typhoon Kammuri's center obscured

Typhoon Kammuri's eye was obscured by a large central dense overcast (CDO) in satellite imagery from NASA-NOAA's Suomi NPP satellite. The typhoon is moving westward, with maximum sustained winds of 105 knots, and is expected to strengthen slightly before weakening and dissipating.

Decision-making process becomes visible in the brain

Researchers have mapped zebrafish brain regions involved in decision making, revealing how sensory information is integrated to trigger a behavior. The study uses whole-brain imaging and behavioral paradigms to demonstrate the accumulation of evidence over time.

Mechanism that triggers the inflammatory process by Mayaro virus is discovered

A Brazilian team at FAPESP-supported Center for Research on Inflammatory Diseases identified the strategy used by immune cells to combat the pathogen Mayaro virus. The study provides a basis for the development of drugs against this disease, targeting the NLRP3 inflammasome and its role in producing proinflammatory molecules.

New treatment for brain tumors uses electrospun fiber

Researchers at the University of Cincinnati developed a new treatment for glioblastoma multiforme using coaxial electrospinning, which delivers a potent dose of medicine immediately or over time. The treatment improved survival rates in three separate animal trials and holds promise for other types of cancer.

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.

A trick for taming terahertz transmissions

Researchers at Osaka University developed a novel receiver that overcomes obstacles in terahertz radiation, enabling record-breaking transmission speeds of 30 gigabits per second. The new technology has the potential to revolutionize next-generation 6G cellular network technology and various other applications.

RSNA 2019 presents session on lung injury from vaping

A panel of medical professionals will discuss the public health impact of e-cigarette use, with a focus on radiologic findings associated with vaping-related lung injury. The session aims to educate radiologists about this critical public health issue and provide guidance on identifying cases.

A question of pressure

Researchers at PTB have implemented a novel pressure measurement method based on electrical measurements of helium gas, offering unique possibilities to investigate helium as an important model system for physics fundamentals. This new method has been compared with conventional mechanical and electrical pressure measurements, providing...

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.

Researchers compare nutritional value of infant and toddler foods

A recent study published in Nutrition Today found that infant and toddler foods in pouches tend to have higher sugar content and fewer single-vegetable products compared to jarred or tray-packaged options. This highlights the need for caregivers to be aware of the nutritional profiles of these popular convenience foods.

Penguin responses to climate change and human activity

This study examines how penguin species in Antarctica respond to changes in krill availability due to human activities and climate change. The analysis of nitrogen stable isotope values reveals that gentoo penguins shift their diet towards fish and squid, while chinstrap penguins remain exclusive to krill.

Click, click, cook: Online grocery shopping leaves 'food deserts' behind

A Yale University analysis found that online grocery delivery systems cover 90% of food deserts, increasing access to nutritious food for low-income communities. The study suggests that online shopping can reduce obesity and improve health outcomes by providing essential nutrients and promoting better eating habits.

Cell-free synthetic biology comes of age

Researchers have made significant breakthroughs in cell-free gene expression, enabling high-yielding protein synthesis and expanding genetically encoded chemistry. This has opened doors to create new types of enzymes, materials, and therapeutics. Northwestern University's Center for Synthetic Biology is at the forefront of this field.

Creality K1 Max 3D Printer

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

Scientists build a 'Hubble Space Telescope' to study multiple genome sequences

Researchers have developed a new tool that can analyze 1.4 million genetic sequences simultaneously, allowing them to study species relationships on a larger scale than before. This technology has the potential to reconstruct how life has evolved over hundreds of millions of years and unlock secrets about the code of life.

Effects of Justinianic Plague

The study challenges scholarly consensus on the Justinianic Plague's effects, finding no detectable decrease in economic vitality or demographic decline. Historical texts exaggerate plague mortality, and burial customs remained unchanged despite the outbreak.

Family support reduces chance of school and workplace bullying

A study by Anglia Ruskin University found that LGB students with supportive families had a significantly lower chance of being bullied at school and in the workplace. The researchers discovered that family support reduced bullying by 31% for gay and bisexual men and 25.6% for lesbian or bisexual women during school age.

2D materials boost carrier multiplication

Researchers at the Institute for Basic Science discovered a carrier multiplication process in 2D semiconductors that could improve the efficiency of solar cells. The phenomenon is more efficient in 2D materials than in bulk semiconductors and has the potential to increase the maximum power conversion efficiency up to 46%

Why stress doesn't always cause depression

Researchers found that rats susceptible to depression had more serotonin neurons after chronic stress, but these effects could be reversed through amygdala activation. In contrast, resilient rats showed no significant change in serotonin levels under stressful conditions.

Apple iPhone 17 Pro

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

Justinianic plague not a landmark pandemic?

A recent study by researchers at SESYNC found no concrete evidence to attribute the effects of the Justinianic Plague to the pandemic. The team examined diverse datasets, including written sources, inscriptions, and pollen samples, but found that trends continued without change before and after the plague outbreak.

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.

Breathing? Thank volcanoes, tectonics and bacteria

A new study suggests that volcanic eruptions triggered by tectonics led to the Great Oxidation Event, a significant increase in oxygen in Earth's atmosphere about 2.5 billion years ago. The research proposes that this event was also linked to a change in the composition of carbon isotopes in carbonate rock record.

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.

Rice to feed the world given a funding boost

The C4 Rice Project aims to create a more efficient photosynthetic pathway, allowing rice to thrive in harsher environments. By the end of the next phase in 2024, scientists hope to have experimental field plots up and running in Taiwan.

Chronic opioid treatment may increase PTSD risk

A study published in Neuropsychopharmacology found that chronic opioid treatment before a traumatic event enhances fear learning in mice, potentially linking opioid dependence to PTSD. The findings suggest that individuals with a history of opioid use may become more susceptible to the negative effects of stress.

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.

World-first studies reveal occurrence of 'chew and spit' eating behaviour

A large-scale study has found a significant prevalence of 'chew and spit' eating behaviour among adolescent teenagers, with 12.2% of respondents reporting the behaviour. The study also links chew-and-spit to increased psychological distress, lower health-related quality of life, and associated disordered eating habits.

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.

New study reveals high levels of pollution on London Underground

Researchers from King's College London have found that fine particles (PM2.5) on the London Underground are significantly higher than in other modes of transport, posing a health risk to commuters. The study suggests that certain stations, such as Oxford Circus and London Bridge, require interventions to reduce exposure.

Sounds of the past give new hope for coral reef restoration

Researchers found that playing healthy reef sounds through loudspeakers in dead coral patches doubled fish arrival and increased species diversity by 50%. This 'acoustic enrichment' method could help kick-start natural recovery processes on damaged coral reefs.

Study pinpoints barriers to preventive care for people at high risk for HIV

A study published in the Journal of General Internal Medicine found that many high-risk individuals eligible for HIV preventive medication face knowledge gaps, attitudinal roadblocks, and placement of responsibility on patients, leading to low access rates. The researchers recommend increased primary care access and educational initiat...

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.

NASA-NOAA satellite analyzes a strengthening Typhoon Kammuri

Typhoon Kammuri continues to strengthen with a noticeable increase in its central dense overcast (CDO), indicating some strengthening of the storm. The storm's maximum sustained winds have increased to 85 mph, and it is forecast to make landfall in the central and northern Philippines on Dec. 3.

Paleontologists identify new group of pterosaurs

Researchers describe an extremely well-preserved pterosaur specimen from the Afro-Arabian continent, shedding light on the evolutionary history of these creatures. The study suggests that this type of pterosaur likely fed on crustaceans and lived in shallow marine waters during the Late Cretaceous period.

New evolutionary insights into the early development of songbirds

Researchers at Uppsala University sequenced a chromosome in zebra finches called the germline-restricted chromosome (GRC), finding it tens of millions of years old and crucial for songbird biology. The GRC plays a key role in early embryonic development and protects somatic cells from negative effects.

SUTD-led research sets the groundwork for patient-specific 3D printed meniscus

The study developed a comprehensive computational model of an intact knee joint to analyze the biomechanical response of soft-tissues under different meniscus conditions. The results suggested that a composite meniscal implant with a shell-core structure performed better than other options, restoring natural joint mechanics.

Meta Quest 3 512GB

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

Study sheds new light on role iron biology plays in disease

New research from the University of Alberta sheds light on iron biology's role in three human diseases: porphyria, Andersen disease, and Wolfram syndrome. The study finds that a protein called aconitase regulates genes in the nucleus to control iron levels.

To see the invisible

Researchers found that the retina can receive energy from infrared light at a lower threshold, allowing for improved sensitivity in microperimetry devices. This discovery has the potential to detect functional retinal changes, such as age-related macular degeneration, earlier and better.

Dietary supplements may delay aging in animal models

Researchers have found that dietary supplements can improve the clean-up process in cells called mitophagy, which breaks down defective mitochondria, thereby delaying aging processes in animal models with Werner Syndrome. This study provides promising results for potential treatments and understanding of the mechanisms of aging.

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.

Ancient microbes helped to keep Earth's early climate warm

New research suggests ancient microorganisms played a critical role in setting the stage for life on a dimly lit early Earth. These microbes transformed iron into rusty minerals without oxygen and served as a food source for other microbes, producing methane that warmed the planet's atmosphere.

Smoking may cause white scars on the brain

A new study reveals that scarring in the brain's white matter can affect not only the surrounding areas but also distant parts of the brain. Research by Asta Håberg found that smoking and high blood pressure increase the risk of developing these scars, which can lead to a higher risk of dementia and stroke.

Providing safe, clean water

Researchers introduce a new water purification method using magnetic nanoparticles coated with an ionic liquid, effectively removing organic, inorganic, and microbial contaminants. The nanoparticles can be easily removed with magnets, making them a promising starting point for decentralized water purification systems.

Democratic education in populist times

LabSchoolsEurope aims to develop and evaluate methods for dealing with heterogeneity in primary schools, promoting democratic behavior and preventing racism. The project will create multi-lingual practice guidelines, teaching materials, and successfully tested sequences that can be made available online.

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.

Spirituality affects the behavior of mortgagers

Research by Olga Miroshnichenko found that household income and spirituality are linked, with mortgagers who prioritize morality tend to repay loans before maturity. The study analyzed data from the Russian bank sector between 2008-2018, concluding that economic growth and moral values influence mortgage behavior.

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.

Fine-tuning gene expression during stress recovery

Researchers at Hokkaido University found that nuclear stress bodies help cells recover from stress by regulating intron retention, a process essential for gene expression. The discovery sheds light on the mysterious organelles' role in stress response and has implications for understanding various biological functions.