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Science News Archive July 2019 - Page 8


Page 8 of 41
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.

Strange bacteria hint at ancient origin of photosynthesis

Researchers found similar structures in rare bacteria and modern cyanobacteria, suggesting the process is older than thought. This challenges the traditional view that oxygenic photosynthesis evolved from anoxygenic photosynthesis a billion years ago.

SourceImperial College London·JournalTrends in Plant Science·DateJul 25, 2019

Generic mobile phone chargers escalate risk of burn, electrocution

The American College of Emergency Physicians warns that generic mobile phone chargers can cause serious injuries, including burns and electrocutions. Teens and adolescents are particularly at risk due to their frequent mobile device use.

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateJul 25, 2019

Exposure to common chemicals in plastics linked to childhood obesity

A study published by The Endocrine Society found that exposure to bisphenol S (BPS) and bisphenol F (BPF) in plastics and canned foods may contribute to childhood obesity. Children with higher levels of these chemicals in their urine were more likely to have obesity compared to those with lower levels.

SourceThe Endocrine Society·JournalJournal of the Endocrine Society·DateJul 25, 2019

When a fix for one vision problem causes another

Researchers discovered that monovision can cause significant misperceptions of distance and 3D direction, particularly with moving objects. By analyzing the effects of blur differences on visual processing, they found that a darker lens can cancel out the negative impact of monovision.

SourceUniversity of Pennsylvania·JournalCurrent Biology·DateJul 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.

Current guides for starting infants on solid food may lead to overfeeding

A computer-simulated study suggests that standard solid food feeding guides from hospitals and baby-formula makers may not provide accurate recommendations for infants. Following these guidelines can lead to overweight infants as early as 9-11 months old, with the Similac guide producing the healthiest results.

SourceJohns Hopkins Bloomberg School of Public Health·JournalAmerican Journal of Preventive Medicine·DateJul 25, 2019

The Lancet Diabetes & Endocrinology: Testosterone may significantly improve sexual function and sexual wellbeing in postmenopausal women

A comprehensive systematic review and meta-analysis of testosterone treatment for women found significant improvements in sexual desire, function, and pleasure. Non-oral formulations appear to have fewer side effects compared to oral testosterone, with benefits including reduced concerns and distress about sex.

SourceThe Lancet·JournalThe Lancet Diabetes & Endocrinology·DateJul 25, 2019

Preschool teachers ask children too many simple questions

A study found that only 24% of preschool teacher questions were challenging, while most responses from children were correct due to the simplicity of the questions. Teachers should aim for a balance between easy and difficult questions to push children's development forward.

SourceOhio State University·JournalEarly Childhood Research Quarterly·DateJul 25, 2019

Shark hotspots under worldwide threat from overfishing

A recent study found that shark hotspots, crucial for multiple species, overlap with longline fishing vessels at alarming rates. This poses a 'double whammy' for sharks, accelerating declines in abundance and potentially threatening their survival.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalNature·DateJul 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.

Clemson research suggests a practical use for regret, hindsight

A study by Robin Kowalski found that many people think about advice they would give their younger selves multiple times per week. This mental exercise can help individuals conceptualize their ideal self and overcome regret. The research also revealed that areas of education, self-worth, and relationships are commonly focused on when it...

SourceClemson University·JournalThe Journal of Social Psychology·DateJul 25, 2019

Group medical visit innovations improve access & advance integrative heath equity

This Special Focus Issue on Innovation in Group-Delivered Services explores various applications of group medical visits for chronic diseases, including mindfulness, meditation, and yoga. The issue highlights the potential of group visits to address unmet needs of underserved patients and promote integrative health equity.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalThe Journal of Alternative and Complementary Medicine·DateJul 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.

Mapping cells in the 'immortal' regenerating hydra

Scientists at UC Davis have traced the fate of hydra's cells, revealing how three lines of stem cells become nerves, muscles or other tissues. This high-resolution map will help researchers understand regulatory gene networks in place early in evolution.

SourceUniversity of California - Davis·JournalScience·DateJul 25, 2019

Study finds new insights on overdose rates, county segregation, and socioeconomics

A new study by George Mason University found that socioeconomic factors and segregated counties may independently impact drug overdose death rates, with varying effects on different racial and ethnic groups. The strongest link was observed for unemployment diversity, which increased overdose deaths across all groups.

SourceGeorge Mason University·JournalAnnals of Epidemiology·DateJul 25, 2019

Detox pathway extends lifespan of the worm C. elegans

A mutant worm with a change in one mitochondrial gene produces more ROS, but lives twice as long due to a detoxification pathway. The study reveals that this pathway is conserved throughout the animal kingdom and essential for longevity.

SourceUniversity of Cologne·JournalNature Communications·DateJul 25, 2019

Virginia Tech researchers lead breakthrough in quantum computing

A team of Virginia Tech researchers has advanced quantum simulation by devising an algorithm that can more efficiently calculate the properties of molecules on a noisy quantum computer. The breakthrough enables simulating molecular properties, which can lead to advances in materials improvement and drug discovery.

SourceVirginia Tech·JournalNature Communications·DateJul 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.

To become, or not to become... a neuron

Researchers uncover a molecular mechanism controlling neural stem cell development, enabling precise differentiation into neurons. The discovery sheds light on brain developmental processes and has implications for stem cell biology and cancer research.

SourceVIB (the Flanders Institute for Biotechnology)·JournalCell·DateJul 25, 2019

Trapping female mosquitoes helps curb chikungunya virus

Researchers found that CDC-developed Autocidal Gravid Ovitrap (AGO) traps successfully protected people from chikungunya virus infection in Puerto Rican communities. The study showed a significant reduction in CHIKV seropositivity among participants in intervention areas with AGO traps compared to those without traps.

SourcePLOS·JournalPLOS Neglected Tropical Diseases·DateJul 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.

Study reveals how HIV infection may contribute to metabolic conditions

A single viral factor released from HIV-infected cells impairs cholesterol metabolism in uninfected cells, triggering inflammation and contributing to the development of diseases such as dementia, heart disease, and diabetes. Targeted treatment may provide a longer and healthier life for people living with HIV/AIDS.

SourceBaker Heart and Diabetes Institute·JournalPLOS Pathogens·DateJul 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.

Little helpers for the rainforest

Scientists have shown that monkeys disperse seeds from primary forests to secondary forests, leading to increased biodiversity. Over 20 years of study, researchers found that moustached and black-fronted tamarins were responsible for dispersing over 10% of the seeds, which germinated and survived for at least a year.

SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalScientific Reports·DateJul 25, 2019

Working memory is structured hierarchically

A team of researchers at HSE University found that working memory stores objects and their features independently, making it easier to remember single-object information. This hierarchical structure suggests that working memory can store multiple types of information simultaneously.

SourceNational Research University Higher School of Economics·JournalActa Psychologica·DateJul 25, 2019

How HIV infection may contribute to wide-ranging metabolic conditions

A study published in PLOS Pathogens found that HIV-infected cells release a viral protein called Nef, impairing cholesterol metabolism and triggering inflammation in uninfected bystander cells. This impairment causes the formation of excessive lipid rafts and triggers inflammation, potentially contributing to various co-morbidities ass...

SourcePLOS·JournalPLOS Pathogens·DateJul 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.

Tobacco-21 laws can lower smoking prevalence in the 18-20 age group

A study found that raising the age of cigarette sales from 18 to 21 led to a 39% decrease in regular smoking among 18-20 year olds who had tried cigarettes. Peer smoking was a critical factor in this reduction, suggesting tobacco-21 laws may help curb youth smoking.

SourceSociety for the Study of Addiction·JournalAddiction·DateJul 25, 2019

How the pufferfish got its wacky spines

Researchers have identified the genetic basis of pufferfish spines, which share developmental pathways with other vertebrates. The study reveals that the spines evolved as a unique adaptation for protection during inflation.

SourceCell Press·JournaliScience·DateJul 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.

Research by NJIT faculty uses big data to track and treat drug abuse

Researchers created a community-focused drug abuse monitoring system called DrugTracker, which analyzes social media posts and geospatial data to detect trends and changes in the landscape. The system helps organizations identify drug abuse risk behaviors and allocate resources effectively.

SourceNew Jersey Institute of Technology·DateJul 25, 2019

Antibiotic-resistant genes found in London's canals and ponds

Antibiotic-resistant genes were found in London's freshwater sources, with the River Thames having the highest levels. The genes come from human and animal waste, which contaminates water bodies through wastewater discharge. Researchers are now experimenting with slow sand filtration to remove these genes.

SourceUniversity College London·JournalJournal of Microbiological Methods·DateJul 25, 2019

NAFTA's demise puts Canada in the 'penalty box,' study shows

A new study from the University of Notre Dame reveals that eliminating NAFTA would reduce standards of living in all three countries. Canada's per capita income loss is expected to be 2.11%, nearly two times that of Mexico's 1.15% and eight times that of the US' 0.27%.

SourceUniversity of Notre Dame·JournalWorld Economy·DateJul 25, 2019

Worm pheromones protect major crops

Researchers at Boyce Thompson Institute discovered that ascaroside compounds from nematodes can protect rice, wheat, corn, and soybeans from numerous pathogens. The compounds helped increase resistance against bacterial, fungal, viral, and oomycete pathogens in major crops.

SourceBoyce Thompson Institute·JournalJournal of Phytopathology·DateJul 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.

Hidden genetic variations power evolutionary leaps

Researchers found that cryptic genetic variation enables bacteria to evolve green fluorescent proteins with increased diversity. The discovery could improve directed evolution techniques for developing new biomolecules for medical and other applications.

SourceSanta Fe Institute·JournalScience·DateJul 25, 2019

Researchers discover new cause of cell aging

Scientists have found that senescent cells stop producing nucleotides, a class of chemicals essential to keep cells young. The discovery could pave the way for new drugs to eliminate aged cells and promote healthy aging.

SourceUniversity of Southern California·JournalJournal of Biological Chemistry·DateJul 25, 2019

Brains work in sync during music therapy -- study

A new study by Anglia Ruskin University reveals that brain activity synchronises between patients and therapists during music therapy sessions. The breakthrough uses brain hyperscanning to track subtle changes in emotional processing, offering a more precise understanding of the therapeutic impact.

SourceAnglia Ruskin University·JournalFrontiers in Psychology·DateJul 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.

Make more with your 3D printers: from smooth surfaces to complex patterns

The MFX team presents innovative open-access algorithms that enable the production of round shapes, flexible objects with complex elastic behaviors, and oriented grip patterns. These advancements pave the way for composite materials with different properties in different directions.

SourceInria Nancy-Grand Est·JournalACM Transactions on Graphics·DateJul 25, 2019

NASA finds one burst of energy in weakening Depression Dalila

NASA's Aqua satellite detected a small area of strong thunderstorms with cold cloud top temperatures, enough to maintain Tropical Depression Dalila's tropical cyclone classification. The depression is forecasted to weaken and become a post-tropical remnant low in the coming days.

SourceNASA/Goddard Space Flight Center·DateJul 25, 2019

US emergency medical services underrepresented of women and minorities

A new study found that women and racial/ethnic minorities are underrepresented in US emergency medical services, with less than a quarter of newly certified paramedics being female. The gaps are more pronounced among paramedics, who provide critical invasive interventions and make complex decisions.

SourceTaylor & Francis Group·JournalPrehospital Emergency Care·DateJul 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.

Signals from skin cells control fat cell specialization

Research at Kobe University reveals that protein secretions by skin cells, keratinocytes, regulate the differentiation of subsurface skin fat cells into white or brown adipose tissue. The study found that suppressing growth factor proteins BMP2 and FGF21 can decrease white fat cell numbers and increase brown fat cells.

SourceKobe University·JournalJournal of Investigative Dermatology·DateJul 25, 2019

T cells trim the fat and protect against obesity

A new study reveals that T follicular helper cells shield mice from obesity by promoting IgA antibody production, which suppresses lipid absorption. This discovery highlights the immune system's role in regulating the gut microbiome and offers potential for novel treatments against metabolic diseases.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateJul 25, 2019

Supercomputers use graphics processors to solve longstanding turbulence question

Researchers at Imperial College London used supercomputers and graphics processors to simulate turbulent fluid flow and solve a longstanding question about disturbance dissipation. Their results lead to the development of new empirical models for turbulence, improving engineering designs in fields like wind turbines and Formula 1 cars.

SourceImperial College London·JournalJournal of Fluid Mechanics·DateJul 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.

Researchers discover the science behind giving up

A study published in Cell reveals that large complex neurotransmitters, such as neuropeptides, have a robust effect on animal behavior by regulating the ventral tegmental area. The findings could lead to helping people find motivation when they are depressed and decreasing motivation for drugs in substance-abuse disorders.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalCell·DateJul 25, 2019

Physicists from IKBFU create metallic alloy for magnetic refrigerator

Researchers at Immanuel Kant Baltic Federal University have developed a new metallic alloy that can be used in magnetic refrigeration technology, offering an environmentally friendly alternative to traditional refrigerants like freon. The manganese-arsenic alloy shows promising results for solid-state cooling at room temperature.

SourceImmanuel Kant Baltic Federal University·JournalJournal of Alloys and Compounds·DateJul 25, 2019