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Science News Archive September 2019


Page 36 of 43

Tuberculosis mutation discovery paves way for better treatments

A Rutgers New Jersey Medical School study has found a genetically tractable cause of drug tolerant tuberculosis, paving the way for researchers to develop new drugs. The reversible mutations in the M.tuberculosis glpK gene produce a transient form of tolerance that disappears after treatment withdrawal.

Apple iPhone 17 Pro

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

Tiny airborne particles from wildfires have climate change implications

A recent study by Arizona State University researchers found that tarballs, tiny organic particles formed during wildfires, can significantly impact local and global climate. The team's analysis revealed that tarballs form through chemical and physical changes of organic aerosols within the first hours following smoke production.

Time saving software in an age of ever-expanding data

A new software package, litsearchr, has been developed to streamline systematic reviews in ecology and conservation biology. By reducing the time required to develop a search strategy by 90%, researchers can focus on analyzing relevant information rather than wasting time searching for it.

Closing in on elusive particles

The GERDA experiment has set a record-breaking sensitivity for detecting the neutrinoless double beta decay, which could reveal if neutrinos are their own antiparticles. The LEGEND project plans to increase the detector mass and reduce background noise to achieve even greater sensitivity.

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.

A molecular 'atlas' of animal development

A team from the University of Pennsylvania has created a comprehensive molecular map of every cell in a developing animal embryo, using single-cell genomics methods. The study provides insights into how cells specialize their function during development and could lead to breakthroughs in regenerative medicine and cellular engineering.

Kilauea eruption fosters algae bloom in North Pacific Ocean

A 2018 Kilauea eruption led to an unusual algae super bloom that stretched for miles, fueled by the perfect cocktail of nutrients from the ocean, including nitrate, silicic acid, iron, and phosphate. The bloom, which was hundreds of miles wide, was an unexpected outcome of the volcanic event.

Social networking sites affect nurses' performance

A study published in the Journal of Advanced Nursing found that social networking site addiction negatively impacts nurses' performance and concentration. The authors suggest hospitals take steps to limit social media use and provide training to help nurses manage distractions.

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.

'Tiny fat bubbles' can boost immunity, calm disease

Researchers have isolated specific cells that can target rogue immune T-cells, potentially rebooting the immune system. This 'antigen-specific immunotherapy' shows promise in treating existing inflammatory autoimmune diseases.

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.

Cataloguing the human impact on the world's oceans

Francesca Verones aims to create a comprehensive life-cycle assessment tool to evaluate the environmental impacts of ocean-related activities. Her research will consider everything from shipping routes and pollutants to tourism and trash management.

Palaeontology: New hadrosaur from Japan sheds light on dinosaur diversity

A new hadrosaur species, Kamuysaurus japonicus, discovered in Japan's Hakobuchi Formation, reveals insights into hadrosaur diversity and evolution during the Late Cretaceous Period. The 72-million-year-old specimen showcases unique features, such as a small crest and forward-pointing neural spines.

Updated Barrett's Guideline aims to improve patient outcomes

The American Society for Gastrointestinal Endoscopy has released an updated guideline on screening and surveillance of Barrett's esophagus, aiming to improve patient outcomes. The guideline addresses various endoscopic procedures and technologies used in screening and surveillance, including advanced imaging and sampling modalities.

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.

Study offers new insights on impacts of crop trading in China

Scientists analyzed China's crop production and trade over 1986-2015, finding that imports can relieve nitrogen pollution but also expose China to market risks. The study proposes 'alternative' nitrogen and land concepts to mitigate environmental damage.

PTSD linked to increased risk of ovarian cancer

A new study found that women who experienced PTSD symptoms were at a higher risk of developing ovarian cancer, particularly those with high-grade serous histotype. Researchers analyzed data from the Nurses' Health Study II and found a significant association between PTSD and increased ovarian cancer risk.

Students who do not date are not social misfits

A new study published in Journal of School Health found that non-daters have good social skills and low depression. Adolescents who were not in a romantic relationship fared better or equal to peers who dated.

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.

Traditional and electronic cigarettes linked to poor sleep

A recent study of 1,664 college students found that traditional cigarette smokers and e-cigarette users experienced poorer sleep quality. E-cigarette users reported greater use of sleep medications than traditional cigarette users, highlighting the potential risks of e-cigarette use on sleep health.

Satellite finds a 'hook' of heavy rainfall in Hurricane Juliette

The Global Precipitation Measurement mission captured data on Hurricane Juliette's rainfall patterns, revealing a 'hook' shape of intense precipitation. The heaviest rainfall was found in the northwest thunderstorms, circling the storm's eye at rates over 36 mm/hour.

New WHO autoantibody reference reagent will benefit SLE patients

A new WHO autoantibody reference reagent has been developed to align autoantibody analyses, improving diagnosis and treatment for patients with Systemic Lupus Erythematosus (SLE) worldwide. The reference reagent was evaluated in an international study and showed significant improvements in differences between different anti-dsDNA assays.

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.

UCLA Health earns federal innovation grant

UCLA Health has been awarded a federal grant to create a regional hub for medical technology and digital health innovation. The Biodesign Hub will focus on developing healthcare technology, leveraging Silicon Beach's startup activity, and advancing patient care.

Building water-efficient cities

A study led by the University of Arizona found that city design factors such as housing density, lot size, and vegetated land cover significantly impact residential water use. Researchers estimated models for annual and summer water use in four cities, including Austin, Phoenix, Portland, and Salt Lake City.

Study shows exposure to multiple languages may make it easier to learn one

A study from the University of Washington found that people exposed to multiple languages can identify words in yet another language better than those who live in monolingual environments. This effect was observed even among those with limited proficiency in other languages, suggesting that ambient exposure plays a role in language lea...

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.

Coffee may protect against gallstones

A new study published in Journal of Internal Medicine found that coffee consumption is linked to a lower risk of developing symptomatic gallstones. Drinking more than six cups of coffee per day was associated with a 23% reduced risk, while one extra cup per day had a 3% lower risk.

Study reveals new patterns of key ocean nutrient

Researchers found that phosphate levels in the surface ocean are less abundant than previously thought, using high-sensitivity measurements. This new data improves ocean models' ability to predict climate change impacts on oceans and their ecosystems.

Diversity of Plasmodium falciparum across Sub-Saharan Africa

Scientists investigated the genetic diversity of Plasmodium falciparum across sub-Saharan Africa, identifying distinct regional characteristics and potential drivers of variation. Human movement and malaria drug resistance are key factors contributing to this diversity, emphasizing the need for targeted interventions.

Lessons in learning

A new Harvard study shows that students in 'active learning' classrooms learn more than they think, contradicting long-held beliefs about the effectiveness of traditional lectures. The study found that students felt like they learned more from lectures but actually scored higher on tests following active learning sessions.

Fluke 87V Industrial Digital Multimeter

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

Exotic physics phenomenon is observed for first time

Researchers have directly observed the non-Abelian Aharonov-Bohm Effect, a predicted exotic phenomenon involving optical waves and synthetic magnetic fields. The finding may offer a step toward fault-tolerant quantum computers.

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.

Size matters: How cells pack in epithelial tissues

Researchers discover that abnormally small epithelial cells can dissociate from each other, leading to geometric effects on tissue packing. The study provides insights into the role of cell size variation in human disease progression, particularly in tumorigenesis.

Migraines linked to higher risk of dementia

Research linking migraines to increased risk of dementia highlights the importance of early detection and prevention strategies for Alzheimer's disease. Migraines were identified as a mid-life risk factor for dementia, including Alzheimer's disease, in a study of 679 community-dwelling adults aged 65 years and older.

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.

Ancient DNA study tracks formation of populations across Central Asia

A new ancient DNA study reveals the complex origins of populations in Central Asia, combining archaeological and genetic expertise to illustrate nuanced mechanisms of genetic diversity and change. The research, published in Science, is the largest in the world to date and addresses a significant gap in the ancient DNA dataset.

Infant model of HIV opens new avenues for research

Researchers developed an animal model to test HIV infection and therapies in infants, allowing them to study viral rebound after antiretroviral therapy interruption. The simian-human immunodeficiency virus-infected infant rhesus macaque model mimics breast milk transmission and simulates human infants' immune responses.

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.

Study links hearing aids to lower risk of dementia, depression and falls

A study published in the Journal of the American Geriatrics Society found that older adults with newly diagnosed hearing loss who receive hearing aids have a lower risk of developing dementia, depression, and fall-related injuries compared to those who do not. The study, which analyzed data from nearly 115,000 Medicare beneficiaries, a...

Same-sex male couples losing out on paid parental leave

A new study found that same-sex male couples are excluded from equal paid parental leave opportunities, with only four countries offering the same amount of leave. The research highlights the need for policymakers to address gender-restrictive language and provide inclusive policies for all parents, regardless of sex or partnership sta...

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.

Stopping progression of tissue injury after button battery ingestion

Acetic acid irrigation after button battery removal may prevent continued tissue injury and long-term complications in children. A recent study found that irrigation with dilute sterile vinegar, 0.25% acetic acid, improved mucosal appearance and prevented esophageal complications.