Add BrightSurf on Google Email

Science News Archive August 2018 - Page 38


Page 38 of 41

Microbes go dark to stay warm in cooler climates

Researchers found that dark-pigmented yeasts capture more heat from the sun and thrive in colder conditions than their light-colored counterparts. This 'thermal melanism' effect could help predict microbial survival at different latitudes as temperatures rise.

SourceJohns Hopkins Bloomberg School of Public Health·JournalCurrent Biology·DateAug 2, 2018

A kernel of promise in popcorn-powered robots

Researchers at Cornell University have developed a novel substance that can be used to power inexpensive robotic devices, enabling them to grip, expand or change rigidity. The study's findings suggest that popcorn could be used to create miniature jumping robots and edible devices for medical procedures.

SourceCornell University·DateAug 2, 2018

Scale-invariant resistivity in cuprates

Researchers discovered a new property in cuprate superconductors where resistivity scales linearly with high magnetic fields. This finding contradicts existing theories and suggests non-quasipartical mechanisms are at play.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateAug 2, 2018
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.

New lung cell type discovered

A new type of airway cell, pulmonary ionocytes, has been found to express high levels of CFTR, a protein mutated in cystic fibrosis. This discovery provides promising targets for future therapeutic strategies against the disease.

SourceHarvard Medical School·JournalNature·DateAug 2, 2018

Thin films can enhance vorticity in the ocean

Researchers found that thin liquid and insoluble films on the surface of water enhance horizontal eddy currents by interacting with surface waves. This enhances vertical vortex flows near the surface, which affects surface wave amplitude. The study's results have potential applications in materials science, geophysics, and ocean analysis.

SourceNational Research University Higher School of Economics·JournalPhysical Review Fluids·DateAug 2, 2018

World experts target guidance on managing dementia symptoms

New research suggests that non-drug approaches should be prioritised in treating agitation in people with Alzheimer's disease, ranking assessment and management of underlying causes as the top treatment. Non-pharmacological treatments such as person-centred care and tailored activity programmes are also recommended for managing symptom...

SourceUniversity of Exeter·JournalInternational Psychogeriatrics·DateAug 2, 2018
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.

New study shows some corals might adapt to climate changes

A new study found that some corals can adapt to climate change, with the mountainous star coral surviving elevated temperatures and recovering quickly. In contrast, staghorn coral was highly sensitive to heat stress, experiencing 100% mortality after just 25 days.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalLimnology and Oceanography·DateAug 2, 2018

Moral decision making is rife with internal conflict, say developmental psychologists

A new study reveals that people are capable of articulating multiple considerations when making moral decisions, including harm, welfare, individual rights, fairness, and justice. Despite the complexity of scenarios like the trolley dilemma, participants were able to provide reasons for their judgments, indicating that moral reasoning ...

SourceUniversity of California - Santa Cruz·JournalMonographs of the Society for Research in Child Development·DateAug 2, 2018

Psychologists find that acting is the key to remembering tasks

Researchers found that 'acting out' scenarios can improve prospective memory, a skill that reminds people to take action in the future. The study suggests that this technique may support individuals with mild cognitive impairment, leading to safer, more independent living.

SourceUniversity of Chichester·JournalNeuropsychology·DateAug 2, 2018

Clothing, furniture also to blame for ocean and freshwater pollution

A new study reveals that clothing, furniture, and other non-food products are significant contributors to ocean and freshwater pollution. The researchers used a modeling tool to calculate country-specific 'eutrophication footprints', which show that the EU's non-food consumption primarily generates pollution in other regions.

SourceNorwegian University of Science and Technology·JournalNature Sustainability·DateAug 2, 2018
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 challenges evolution of how humans acquired language

Researchers re-analyzed genetic data from diverse humans and Neanderthals, revealing no evidence of recent human-specific selection on the FOXP2 gene. This challenges previous theories on the origin of human language and highlights the importance of using diverse datasets in population genetics.

SourceUniversity of California - Davis·JournalCell·DateAug 2, 2018

How plant-rotting bacteria steal iron to survive

A new study reveals how plant-rotting bacteria obtain essential iron for survival by pirating it from host plants' iron-bearing proteins. The bacterium Pectobacterium uses a membrane channel to import the protein ferredoxin, which is then processed to release iron.

SourcePLOS·JournalPLOS Biology·DateAug 2, 2018

pH imbalance in brain cells may contribute to Alzheimer's disease

A study suggests a simple imbalance in acid-alkaline chemistry inside endosomes may lead to amyloid protein accumulation and nerve cell degeneration. Researchers found that histone deacetylase inhibitors can reverse pH problems and improve amyloid beta clearance in lab-grown mouse brain cells.

SourceJohns Hopkins Medicine·JournalProceedings of the National Academy of Sciences·DateAug 2, 2018
Apple iPhone 17 Pro

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

A short genetic history of the Flores Island pygmies

The study of Flores pygmy humans shows they have Neanderthal and Denisovan ancestry, but no direct link to Homo floresiensis. The short-statured phenotype is a result of recent polygenic selection on standing genetic variation.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateAug 2, 2018

Broadband Internet causes sleep deprivation, a new study finds

A new study by Bocconi University scholars found that broadband internet access causes sleep deprivation, particularly among individuals with DSL lines. These individuals sleep 25 minutes less than those without DSL Internet and are less likely to reach the recommended amount of sleep, leading to significant economic losses in Germany.

SourceBocconi University·JournalJournal of Economic Behavior & Organization·DateAug 2, 2018

Mysterious DNA modification important for fly brain

A team of Emory scientists has identified an enzyme that removes N6-methyladenine from Drosophila DNA, crucial for neuronal development. The finding provides insights into the role of this modification in humans, particularly in relation to Polycomb proteins.

SourceEmory Health Sciences·JournalMolecular Cell·DateAug 2, 2018
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.

UMN Medical School researchers study how cues drive our behavior

Researchers used a Pavlovian model to investigate the role of dopamine neurons in assigning value to environmental cues. They found that dopamine neurons can imbue cues with motivational value, driving actions and approach towards specific locations.

SourceUniversity of Minnesota Medical School·JournalNature Neuroscience·DateAug 2, 2018

Key piece identified for slowing a colorectal cancer subtype

A study published in Nature Communications reveals that inhibiting Jagged 1 protein can prevent colon and rectal tumour growth, even removing existing tumours. This approach may offer a promising therapeutic strategy for selectively targeting malignant stem cells in colon cancer.

SourceIMIM (Hospital del Mar Medical Research Institute)·JournalNature Communications·DateAug 2, 2018

Genome regulation of cell type cataloged in mouse at single-cell level

Scientists have created a comprehensive atlas of the mouse genome's regulatory landscape, revealing how DNA elements regulate cell type identity and identifying potential links to human diseases. The study cataloged over 400,000 regulatory elements and assigned most patterns to specific cell types.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalCell·DateAug 2, 2018

Radar better than weather balloon for measuring boundary layer

Researchers developed a more comprehensive method for measuring the Earth's boundary layer depth using radar, which constantly ebbs and flows. This improvement in accuracy can lead to better forecasts for severe weather events, air pollution, and wildfire forecasting.

SourcePenn State·JournalJournal of Atmospheric and Oceanic Technology·DateAug 2, 2018
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.

Plants can tell the time using sugars

A study discovered that plants regulate their internal 'circadian clock' using sugars from photosynthesis to stay in tune with day and night cycles. This process enables plants to match their activities to the time of day, crucial for growth, flower opening, and energy reserve management.

SourceUniversity of Bristol·JournalCurrent Biology·DateAug 2, 2018

Old mining techniques make a new way to recycle lithium batteries

A team of Michigan Tech students has developed a method to recycle lithium-ion batteries using old mining technologies, resulting in inexpensive and energy-efficient processes. The process separates valuable materials like lithium, graphite, and cobalt, making them suitable for remanufacturing into new batteries.

SourceMichigan Technological University·JournalSustainable Materials and Technologies·DateAug 2, 2018

Modern Flores Island pygmies show no genetic link to extinct 'hobbits'

Researchers found that modern pygmy genomes showed no evidence of gene flow from the extinct 'hobbit' species, contradicting previous expectations. However, they did find genetic variants associated with short stature and dietary adaptations in genes involved in fatty acid metabolism.

SourcePrinceton University·JournalScience·DateAug 2, 2018

Field test for dog Leishmania exposure evaluated

A new field test has been developed to rapidly screen dogs for exposure to Phlebotomus pernicious sand flies, the primary vector of Leishmania infantum. The immunochromatographic test (ICT) shows high sensitivity and specificity in detecting antibodies against the fly's salivary protein.

SourcePLOS·JournalPLOS Neglected Tropical Diseases·DateAug 2, 2018
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.

Google Glass helps kids with autism read facial expressions, Stanford study finds

A new therapy using Google Glass and a smartphone app has been shown to improve social skills in children with autism by helping them recognize facial expressions. The treatment, called 'Superpower Glass,' uses machine learning to identify eight core emotions and provides instant rewards for correct identifications.

SourceStanford Medicine·Journalnpj Digital Medicine·DateAug 2, 2018

Measuring climate impact of forests management -- a groundbreaking approach

A new carbon accounting system has been adopted by the EU to measure forest management's impact on greenhouse gas emissions. This approach reflects actual historical practices rather than projected future outcomes, providing a more credible solution to account for forest sinks and reducing GHG emissions.

SourceEuropean Commission Joint Research Centre·JournalCarbon Balance and Management·DateAug 2, 2018
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.

Mapping blue carbon in mangroves worldwide

Mangroves are found in tropical coastal settings worldwide and can store greater amounts of carbon than any other terrestrial ecosystem. A new study provides more accurate estimates of blue carbon storage, revealing that it has been underestimated by up to 50% in some areas and overestimated by up to 86% in others.

SourceLouisiana State University·JournalFrontiers in Ecology and Evolution·DateAug 2, 2018

Preventing natural hazards from becoming societal disasters

A new tool called DesignSafe is helping researchers improve their ability to predict hurricanes, move people out of harm's way, and build homes that can survive the worst nature can throw at them. The platform provides critical information about natural hazards and enables engineers to design safer structures.

SourceUniversity of Texas at Austin, Texas Advanced Computing Center·JournalNatural Hazards Review·DateAug 2, 2018

Astronomers blown away by historic stellar blast

Researchers observe light echoes from Eta Carinae and its surroundings to decode the extent of a historic stellar blast. The team determines that the star released almost as much energy as a typical supernova explosion, but a double-star system remained intact.

SourceAssociation of Universities for Research in Astronomy (AURA)·JournalMonthly Notices of the Royal Astronomical Society·DateAug 2, 2018
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.

Big-data study pinpoints more than 150 genes associated with atrial fibrillation

Researchers from Michigan Medicine have identified 151 genes associated with atrial fibrillation through a large genome-wide association study involving over one million individuals. The study also developed a genetic risk score that could help identify high-risk individuals and monitor them accordingly.

SourceMichigan Medicine - University of Michigan·JournalNature Genetics·DateAug 2, 2018

Lung cancer screening guidelines inadequate for high-risk minorities

The study found that individuals from underrepresented communities are more likely to have positive scans and diagnosed lung cancer cases, highlighting the need for more expansive, risk-based screening guidelines. The researchers suggest considering additional factors such as a history of chronic obstructive pulmonary disease and socio...

SourceUniversity of Illinois Chicago·JournalJAMA Oncology·DateAug 2, 2018

Wearable devices: Useful medical insights or just more data?

A new review questions the usefulness of wearable devices in providing medical insights, citing limited formal validation and potential risks of misinterpretation. The study highlights concerns about concussion detection technologies and the need for rigorous evaluation and regulation of the growing industry.

SourceFrontiers·JournalFrontiers in Physiology·DateAug 2, 2018
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.

Stem cell research for cystic fibrosis leaps forward

Researchers at the University of Adelaide successfully applied cell transplantation therapy to replace damaged cells in CF patients, providing a potential cure. The innovative method involves harvesting adult stem cells from the lungs, correcting them with gene therapy, and reintroducing them back into the patient.

SourceUniversity of Adelaide·JournalStem Cell Research & Therapy·DateAug 2, 2018

When the seed becomes a plant, it has 48 hours to survive

Researchers at Université de Genève reveal the mechanism of seed germination, where proplastids differentiate into chloroplasts within 48 hours. The process is controlled by growth hormone gibberellic acid and protein TOC159, ensuring rapid transition to autonomous growth.

SourceUniversité de Genève·JournalCurrent Biology·DateAug 2, 2018

Fecal deposits reveal the fruit fly's pheromone flag

Researchers at RIKEN Center for Brain Science discovered that male fruit flies deposit droppings as pheromone-laced landmarks to signal their presence, attracting females and increasing mating chances. This finding highlights the importance of fecal deposits in social communication among flies.

SourceRIKEN·JournalCurrent Biology·DateAug 2, 2018
Meta Quest 3 512GB

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

New study shows smoking can affect breastfeeding habits

Researchers found that exposure to household smoke shortens breastfeeding duration, and fathers who smoke are less likely to prefer breastfeeding. The study suggests quitting smoking before pregnancy is crucial for new mothers.

SourceUniversity of British Columbia Okanagan campus·JournalBreastfeeding Medicine·DateAug 2, 2018

Cash transfers :New research finds combining demand and supply-side incentives improves longer-term

A study in Honduras found that combining conditional payments with investment in schools and clinics leads to better educational and labor market outcomes. The research suggests that this approach can have a transformative impact on individuals' lives.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Development Economics·DateAug 2, 2018

Obesity extends duration of influenza A virus shedding

A multi-year study of Nicaraguan households found that obesity extends the duration of influenza A virus shedding from infected adults by approximately 1.5 days, compared to non-obese adults. Chronic inflammation caused by obesity and increasing age are implicated as reasons for extended viral shedding.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalThe Journal of Infectious Diseases·DateAug 2, 2018
Fluke 87V Industrial Digital Multimeter

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

'Strange metals' just got stranger

Researchers at Florida State University's National High Magnetic Field Laboratory have discovered that cuprates, known for their unique behavior, carry current in a non-conventional way. The study reveals that the electrons seem to cooperate as they move through the material, contradicting the widely accepted understanding of conventio...

SourceFlorida State University·JournalScience·DateAug 2, 2018

New method refines cell sample analysis

The Iterative Indirect Immunofluorescence Imaging (4i) technique refines standard immunofluorescence imaging by visualizing up to 40 proteins in a single cell. A new computer program, Multiplexed Protein Maps, analyzes the data and generates maps of protein distribution, providing a systematic survey of cellular organization.

SourceUniversity of Zurich·JournalScience·DateAug 2, 2018

Machine learning links dimensions of mental illness to abnormalities of brain networks

A new study using machine learning has identified four brain-based dimensions of mental health disorders, including mood, psychosis, fear, and disruptive externalizing behavior. These findings suggest that psychiatric symptoms do not neatly fall into established categories, but instead emerge from diverse clinical domains to form dimen...

SourceUniversity of Pennsylvania School of Medicine·JournalNature Communications·DateAug 2, 2018
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.

Scientists measure severity of drought during the Maya collapse

Researchers measured isotopes of water trapped in gypsum to determine changes in rainfall and relative humidity during the Maya downfall. Annual precipitation decreased by 41-54% and relative humidity declined by 2-7%. These findings support theories that drought contributed to the Maya civilization's collapse.

SourceUniversity of Cambridge·JournalScience·DateAug 2, 2018