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Science News Archive November 2019


Page 6 of 41

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.

LSE study calls for improved mental health support

The study found that the current system of immediate psychological help after a terrorist attack is inadequate, with most people seeking external help and expressing dissatisfaction with their GP's response. The researchers recommend improving the system to provide better support sooner.

December's SLAS Discovery special issue now available

The December issue of SLAS Discovery features articles on new screening tools and assays for medically relevant membrane protein targets. The special issue also includes reviews and original research papers on emerging protein-lipid reconstitution methodologies.

High levels of screen use associated with symptoms of anxiety in adolescence

A study by researchers at the University of Montreal found that adolescents who spent more time on social media, television, and computers experienced increased anxiety symptoms. Decreasing screen time was linked to reduced anxiety. The study suggests limiting screen time may be a way to help teens manage anxiety.

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.

Extra-terrestrial impacts may have triggered 'bursts' of plate tectonics

A new study suggests that extra-terrestrial impacts could have triggered the emergence of plate tectonics on early Earth. The research used modelling simulations and comparisons with lunar impact studies to reveal that massive impacts continued to shape the planet for hundreds of millions of years, potentially driving tectonic processes.

Scientists clarify light harvesting in green algae

Researchers characterized the light-harvesting system of Chlamydomonas reinhardtii, a common unicellular green alga. The study reveals the assembly mechanisms and energy transfer pathways of the C2S2M2L2 supercomplex, shedding light on efficient light harvesting in green algae.

Did human hunting activities alone drive great auks' extinction?

A study published in eLife analyzed ancient genetic data to investigate the decline of great auks. The findings suggest that intense hunting by humans likely caused their rapid extinction, even if the birds weren't already under threat from environmental changes. This highlights the potential for industrial-scale exploitation to drive ...

Scientists dissect and redesign protein-based pattern formation

Researchers dissected protein pattern formation into its main functional modules and rebuilt the process from scratch, identifying the minimal ingredients needed for self-organisation. The new system produces less regular patterns than native systems but is still sufficient for reproducing basic biological processes.

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.

Building a better battery with machine learning

Argonne researchers used a machine learning algorithm to relate known molecular structures to larger data sets, reducing computational costs while maintaining precision. The approach improved the accuracy of predictions about battery electrolyte candidates, enabling scientists to identify potential materials for next-generation batteries.

Using fungi to search for medical drugs

Researchers from the Hubrecht Institute and Utrecht University have set up a library of products derived from over ten thousand fungi to find new therapeutic compounds. They found 34 known compounds, including the cholesterol-lowering drug lovastatin, using zebrafish embryos as a test subject.

Fluke 87V Industrial Digital Multimeter

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

Researchers report first recording of a blue whale's heart rate

Researchers from Stanford University successfully recorded a blue whale's heart rate for the first time using an electronic sensor attached to the whale's flipper. The data suggests that the whale's heart is operating at its limit, which may explain why blue whales have never evolved to be bigger.

Apple iPhone 17 Pro

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

Honey bee declines in cultivated landscapes

A study tracked honey bee nutrition and colony growth in Iowa's intensely farmed state. Colonies near soybean fields experienced short-term gains but failed to support long-term health due to lack of floral resources.

The nature of salmonella is changing -- and it's meaner

A Michigan State University study finds that antibiotic-resistant salmonella strains are increasing, leading to longer hospital stays and worse symptoms. The study also reveals regional differences in the types of salmonella infections, with rural areas affected by enteritis infections.

Concussions in high school athletes may be a risk factor for suicide

Research at University of Texas Health Science Center links concussions in high school students to depression and suicidal thoughts. The study reveals teenage males with concussion history are twice as likely to attempt suicide, while females have greater odds of reporting suicidal ideations.

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.

A study compares how water is managed in Spain, California and Australia

A research project at the University of Córdoba and the University of Zaragoza analyzed legislative changes in water management in Spain, California, and the Murray Darling Basin in Australia. The study shows that despite similarities in agriculture and water scarcity, these regions have distinct approaches to managing their watersheds.

New research training group on the self-organization of soft matter

A new research training group funded by the German Research Foundation will investigate the role of interfaces in synthesizing soft advanced materials and manipulating their properties. The group aims to better understand self-organization processes in the presence of interfaces.

Wearable sweat sensor detects gout-causing compounds

Researchers developed a mass-producible wearable sensor that can monitor levels of metabolites and nutrients in blood by analyzing sweat. The device is more sensitive than current devices, detecting lower concentrations of compounds like uric acid and tyrosine, which are associated with gout, diabetes, and cardiovascular diseases.

The heat is on

An international team of scientists analyzed 3 million species records from 200 ecological communities worldwide to reveal the impact of ocean warming on fish communities. The study found that subtle changes in species movement in response to rising temperatures made a significant impact on the global picture.

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.

Neuroscientists develop models to identify internal states of the brain

Researchers at Princeton University have developed models to identify internal states of the brain in fruit flies. By analyzing song patterns and behavioral changes, they discovered three distinct strategies - Close, Chasing, and Whatever - linked to specific neurons controlling these shifts.

Examining work schedules of hospitalists, patient outcomes

An observational study found that hospitalists who worked irregular schedules, such as non-consecutive days, had better patient outcomes compared to those working consecutive days. The study suggests that varying work schedules may lead to improved patient care and outcomes.

Cellular origins of pediatric brain tumors identified

A research team discovered that several types of highly aggressive and fatal pediatric brain tumors originate from stalled development of progenitor cells in the pons and forebrain. The cells' progress is arrested, and they transform into malignancies while retaining features of the original cells.

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.

Breakthrough in understanding common childhood cancer

A study led by Newcastle University has identified circulating neuroblastoma tumour cells in the blood and bone marrow, providing new insights into the disease's progression. The discovery could enable non-invasive testing of targeted treatments and improve patient outcomes.

Fossils reveal swimming patterns of long extinct cephalopod

Researchers used computational fluid dynamics to analyze the swimming patterns of extinct ammonoid cephalopods, which lived over 300 million years ago. The study reveals insights into the stability of marine ecosystems and how they recover diversity after drastic extinctions.

Study tracks genomic changes that reinforce darter speciation

Researchers tracked genomic changes in hybrid orangethroat and rainbow darters, finding regions with genetic divergence contributing to reproductive incompatibility. These differences likely disrupt cell division and alter gene expression, driving the evolution of distinct traits.

Sexualization, income inequality, and status anxiety

A role-playing experiment involving over 300 women from multiple countries suggests that female self-sexualization is linked to income inequality and social status anxiety. The study supports the hypothesis that social climbing and status competition drive sexualization among women.

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.

Discovery increases chance of improving iron content in plants

Researchers have identified a key regulator in iron uptake in plants, which controls hundreds of genes and has the potential to increase iron potency in crops like rice and wheat. The study's findings could provide a solution to iron deficiency affecting over 2 billion people globally.

NASA tracking Extra-Tropical Storm Sebastien towards the UK

Extra-Tropical Storm Sebastien has transitioned from a tropical storm, coupling with a cold front and headed for the United Kingdom. The storm is forecast to affect southern England, with potential for heavy rain and flooding over the next several days.

Fluid dynamics taught through dance

Researchers used dance to convey the principles of fluid mechanics by creating a 'physics-constrained improvisation.' The goal is to produce an educational video that demonstrates flow past a cylinder at varying Reynolds numbers.

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.

Injection of magnetizable fluid could extend trauma patients' survival time

Scientists are testing a magnetically-actuated fluidic valve to reduce bleeding in trauma patients. The system uses an injectable magnetorheological suspension and externally placed magnets to create an obstruction, halting blood loss and stabilizing blood pressure. This could potentially extend survival time by at least 30 minutes.

All the feels

Researchers found that people experiencing higher felt love had significantly higher levels of psychological well-being and extraversion personality scores. They also developed a method to analyze noisy data using Bayesian latent stochastic differential equations model.

The 'Signal Cell' relaying microbiota signals discovered

Researchers at Pohang University of Science & Technology discovered a mechanism by which microbiota signals are transmitted to the entire body, controlling hematopoiesis in the bone marrow. This process involves CX3CR1+ mononuclear cells recognizing microbiota signals and releasing cytokines that stimulate the immune system.

Are toddlers meeting screen-time guidelines?

A recent study found that most 2- and 3-year-old children fail to meet recommended daily screen time limits. Maternal screen time and home care were associated factors for non-compliance at younger ages, while only maternal screen time was significant at 3 years old.

How diversity of respiratory quinones affects microbial physiology

Researchers discovered a fear-greed tradeoff in bacteria that use ancient respiratory quinones for aerobic respiration, leading to oxidative stress and growth limitations. The study provides fundamental insights into microbial bioenergetics evolution and potential strategies for modulating bacterial growth and survival.

Celestron NexStar 8SE Computerized Telescope

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

16-million-year-old fossil shows springtails hitchhiking on winged termite

Researchers discovered 25 springtails attached to a large winged termite and ant in 16-million-year-old amber from the Dominican Republic, showing a new type of hitchhiking behavior among soil-dwelling arthropods. This discovery highlights how symphypleonan springtails successfully achieved dispersal worldwide.

NF decline but stable QOL in 1st year after temozolomide-based chemoradiotherapy

A secondary analysis of the NRG Oncology clinical trial shows that neurocognitive function (NCF) declines in half of patients with high-risk, low-grade gliomas up to a year after receiving temozolomide-based chemoradiotherapy. However, quality of life (QOL) remains stable or improves in these patients, according to the study.

Intergenerational mobility in the United States

Intergenerational occupational mobility in the US has declined since 1850, with relative decline in status of many occupations. Only a few high-status occupations retained stable percentile ranks, while recent generations face reduced upward mobility.

Using artificial intelligence to analyze placentas

A team of researchers has developed an AI-powered system that can analyze placentas using computerized photographic image analysis, potentially improving health outcomes for mothers and babies. The system uses artificial intelligence to detect features linked to abnormalities and potential health risks.

Scientists suggest new solution to the rare-disease problem

Researchers estimate that 10% of the world's population suffers from a rare disease, yet accurate diagnosis remains challenging due to lack of standard definitions. A new commentary proposes a coordinated effort to define rare diseases, which could lead to better diagnosis and treatment for millions affected.

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.

Geriatricians, internists, and cardiologists surveyed about deprescribing

A survey of geriatricians, general internists, and cardiologists found that over 80% had recently considered deprescribing a cardiovascular medication due to adverse drug reactions. Barriers to deprescribing include concerns about patient reluctance and interfering with other physicians' treatment plans.

Climate change is reshaping communities of ocean organisms

A study published in Nature Climate Change found that climate change is altering the mix of species in oceans, with warm-water species rapidly increasing and cold-water marine species decreasing. This shift can disrupt fisheries and ocean food chains.

Flour power: How shoppers choose which bread to buy

Researchers found that brand is the biggest influence on bread buying behavior, followed by type of wheat and value considerations. Only 1% of surveyed consumers regularly purchase gluten-free bread due to perceived lack of value.

Rapamycin may slow skin aging, Drexel study reports

A Drexel University study found that rapamycin cream can reduce wrinkles, sagging, and improve skin tone in human subjects over 40. The drug blocks the TOR protein and has anti-aging effects by reducing senescent cells associated with skin aging.

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.

Cannabis reduces headache and migraine pain by nearly half

A recent study published in the Journal of Pain found that inhaled cannabis reduces self-reported headache severity by 47.3% and migraine severity by 49.6%. The study analyzed archival data from over 1,300 patients who used medical cannabis to track changes in their symptoms before and after use.

Unravelling the venomous bite of an endangered mammal

The study identifies the proteins that make up the venom of the Hispaniolan solenodon, a rare and endangered species. The research reveals that these toxins are likely used to cause drops in blood pressure in vertebrate prey, and have evolved independently on at least four occasions in eulipotyphlan mammals.