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Science News Archive January 2019 - Page 17


Page 17 of 37

Scientists achieve the first stable simulations of DNA crystals

Researchers at IRB Barcelona achieved the first stable simulations of DNA crystals, providing detailed atomic descriptions of their properties. This accomplishment allows for optimized crystallization conditions and protocols for biophysicists and computational physicists/chemists.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalChem·DateJan 21, 2019

New study raises hopes of eradication of malaria

Researchers at Karolinska Institutet reveal altered mosquito behavior and parasite selection as major obstacles to malaria eradication. The study shows a 96% decline in malaria incidence in Zanzibar, but highlights the need for new strategies to overcome challenges and achieve elimination.

SourceKarolinska Institutet·JournalBMC Medicine·DateJan 21, 2019
Apple iPhone 17 Pro

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

New drug resistance process found in bacteria

Researchers identified a new process capable of generating antibiotic resistance in bacteria up to 600 million years ago. The discovery highlights the need for combined multidrug treatments and reduced agricultural use of antibacterials.

SourceUniversitat Autonoma de Barcelona·JournalFrontiers in Microbiology·DateJan 21, 2019

Our genes affect where fat is stored in our bodies

A recent study from Uppsala University found that genetic factors play a significant role in determining where fat is stored in the body. The researchers identified nearly 100 genes that affect distribution of adipose tissue to different compartments, with women showing stronger associations than men.

SourceUppsala University·JournalNature Communications·DateJan 21, 2019

The living wage may help us achieve social and environmental sustainability

Paying a living wage to garment industry workers in BRIC countries may increase Western European clothing prices by 12.5%, but could lead to more jobs and less poverty, while keeping global carbon emissions roughly the same. The study challenges conventional wisdom that higher wages are bad for the environment.

SourceUniversity of Surrey·JournalEcological Economics·DateJan 21, 2019

Teens keep active despite asthma or eczema, study finds

Researchers found that teenagers with asthma or eczema had the same levels of physical activity as their peers without these conditions. However, obese teenagers were less active and experienced increased periods of inactivity. The study used data from over 6,400 teenagers aged 12-16.

SourceUniversity of Bristol·JournalBMJ Open·DateJan 21, 2019
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.

Broadband achromatic metalens focuses light regardless of polarization

Researchers from Harvard John A. Paulson School of Engineering and Applied Sciences have developed a polarization-insensitive metalens using non-symmetric nanofins. This design doubles the efficiency of previous iterations and enables achromatic focusing across the visible spectrum.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalNature Communications·DateJan 21, 2019

Do endangered woods make better guitars?

A study by Lancaster University tested six acoustic guitars with different back and side plate materials, finding similar sound quality ratings among all instruments. Despite this, experts suggest using sustainable woods as substitutes for expensive and endangered ones to minimize environmental impact.

SourceLancaster University·JournalThe Journal of the Acoustical Society of America·DateJan 21, 2019

Timely referral to kidney transplant may improve survival for patients with lupus nephritis

A nationwide cohort study found that timely kidney transplant significantly increases survival in patients with lupus nephritis and end-stage renal disease. The study revealed a 70% reduction in overall risk of death, with benefits observed across various subgroups, including African Americans, Hispanics, Asians, and both sexes.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJan 21, 2019

Mice pass on brain benefits of enriched upbringing to offspring

A study found that mice raised in an enriched environment with social interaction and mental stimulation can transmit the brain benefits to their offspring through changes in gene expression. Despite being raised in the same impoverished environment, the offspring maintained lifelong visual cortex plasticity.

SourceSociety for Neuroscience·JournaleNeuro·DateJan 21, 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.

Cancer survivors face significant hardships related to medical bills

A new study reveals that cancer survivors experience greater financial burdens compared to non-cancer individuals, with younger survivors facing the most hardship. Privately insured cancer survivors with high deductible health plans without health savings accounts were particularly vulnerable to medical financial hardship.

SourceWiley·JournalCancer·DateJan 21, 2019

Secret to sepsis may lie in rare cell

Basophils, a rare type of white blood cell, have been found to play a crucial role in preventing sepsis. By releasing protein tumor necrosis factor (TNF), basophils trigger an immune response that helps protect against infection and prevents the progression to sepsis.

SourceSeattle Children's·JournalNature Immunology·DateJan 21, 2019

How staying in shape is vital for reproductive success

Cells maintaining their shape and proportions are crucial for successful reproduction through cell division. Fission yeast cells, studied in the research, found that a cell's shape determines where it will divide, highlighting the fundamental biological basis of scaling.

SourceThe Francis Crick Institute·JournalNature Communications·DateJan 21, 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.

Orthopedic implants double the rate of bone lengthening in kids

Russian scientists developed advanced implants for the Ilizarov orthopedic system, which form part of the system's variation applied for lengthening and correcting deformities in children. The new implants reduced treatment terms by two times, accelerating bone regeneration and improving tissue density.

SourceTomsk Polytechnic University·JournalBiomedical Materials·DateJan 21, 2019

How reef-building corals attract photosynthetic symbionts

Reef-building corals use green fluorescent protein to lure in photosynthetic symbionts. The study found that corals emit green light, which attracts Symbiodinium algae, increasing their density by 10-fold.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJan 21, 2019

How long do people need to be monitored after fainting?

A new study provides evidence-based recommendations on how to catch life-threatening conditions that cause fainting. Low-risk patients can be safely discharged home within two hours, while medium and high-risk patients can be sent home after six hours with no danger signals detected.

SourceThe Ottawa Hospital·JournalCirculation·DateJan 21, 2019

Accelerating mass loss from Greenland

A study analyzing GRACE and GPS data found that ice mass loss in southwest Greenland was driven by changes in surface mass balance, rather than glacial discharge. The Greenland Ice Sheet is highly sensitive to atmospheric forcing, and this region may contribute significantly to sea level rise under continued climate warming.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJan 21, 2019

Dopamine and musical pleasure

Researchers found that dopamine plays a crucial role in music-evoked pleasure, with levodopa increasing motivation to purchase songs. The study used pharmacological manipulation to alter dopamine levels, revealing its impact on brain reward responses.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJan 21, 2019
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.

Properties of 'wonder material' graphene change in humid conditions

Researchers found that water seeps between graphene layers at 22% relative humidity, modifying the material's interaction. The study suggests that graphene-based devices may function differently in humid environments, highlighting the need to record relative humidity in future experiments.

SourceQueen Mary University of London·JournalPhysical Review B·DateJan 21, 2019

Youthful cognitive ability strongly predicts mental capacity later in life

A new study found that early adult general cognitive ability is a stronger predictor of cognitive function and reserve later in life than other factors. Higher education and late-life intellectual activities were associated with reduced risk of dementia and sustained or improved cognitive reserve.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateJan 21, 2019

How concussions may lead to epilepsy

Researchers have identified a cellular response to repeated concussions that may contribute to seizures in mice. A unique population of astrocytes responded to these injuries, leading to spontaneous recurrent seizures in some mice within one month. This study establishes a new animal model for post-traumatic epilepsy research.

SourceSociety for Neuroscience·DateJan 21, 2019

Discovery of bacterial signature of intestinal disease

Researchers have found a bacterial signature associated with intestinal disease, including Crohn's and ulcerative colitis. The study identified 18 new species of bacteria that can affect disease outcome, highlighting the importance of individualized approaches to treatment.

SourceUniversity of Bern·JournalNature Medicine·DateJan 21, 2019
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.

Antarctic krill population contracts southward as polar oceans warm

A recent study found that Antarctic krill populations have shifted southward due to warming in their key habitat, posing major implications for the food web and biogeochemical cycling. The team analyzed data from scientific surveys spanning nearly a century and found a substantial change in the krill population over time.

SourceBritish Antarctic Survey·JournalNature Climate Change·DateJan 21, 2019

Touch and neural processing

Researchers discovered significant differences in neural processing between self-touch and touch from others at the cortical and spinal cord levels. This finding has implications for understanding perception and social behavior, highlighting the brain's unique response to self-produced versus external tactile input.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJan 21, 2019
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.

Social networks, gender, and job placement

Researchers found that male students' social connections influence leadership positions, while female students need both high network centrality and same-gender support to succeed.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateJan 21, 2019

Corals light the way to a healthy partnership

Researchers discovered that corals use green fluorescent light to signal the presence of Symbiodinium, a type of mobile microalgae critical to the establishment of a healthy partnership. The study found that this 'positive phototaxis' mechanism enables corals to attract Symbiodinium, which provide essential nutrients via photosynthesis.

SourceARC Centre of Excellence for Coral Reef Studies·JournalProceedings of the National Academy of Sciences·DateJan 21, 2019

Greenland ice melting four times faster than in 2003, study finds

A new study found that Greenland's southwest region is losing ice at an alarming rate, contributing significantly to sea level rise. This finding has serious implications for coastal cities and island nations vulnerable to rising sea levels.

SourceOhio State University·JournalProceedings of the National Academy of Sciences·DateJan 21, 2019

Ancient carpet shark discovered with 'spaceship-shaped' teeth

A newly discovered species of freshwater shark, Galagadon nordquistae, has been found with tiny 'spaceship-shaped' teeth, adding to the fossil record of this family in the Cretaceous. The discovery provides new insights into ancient aquatic ecosystems and sheds light on the diversity of sharks and rays during that period.

SourceNorth Carolina State University·JournalJournal of Paleontology·DateJan 21, 2019
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.

Body size may influence women's lifespan more than it does men's

Research published in the Journal of Epidemiology & Community Health found that body size-height and weight may have a greater impact on women's lifespan. Additionally, daily physical activity was associated with the best chance of reaching 90 for women, with an optimal threshold of around 60 minutes a day.

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·DateJan 21, 2019

Scientists discover new 'architecture' in corn

Researchers reveal a different internal structure of corn that can help optimize its conversion into ethanol. The discovery opens doors for new approaches to improve biofuel production efficiency.

SourceLouisiana State University·JournalNature Communications·DateJan 21, 2019

New nanoparticle targets tumor-infiltrating immune cells, flips switch

A Vanderbilt University team developed a nanoparticle to target tumor-infiltrating immune cells and activate the STING pathway, a natural mechanism to mount an immune response against cancer. The breakthrough offers hope for patients who don't respond to checkpoint blockade therapies.

SourceVanderbilt University·JournalNature Nanotechnology·DateJan 21, 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.

Genetic study reveals possible new routes to treating osteoarthritis

A large-scale genetic study has uncovered 52 new genetic changes linked to osteoarthritis, which may help identify new treatment targets and repurpose existing medications. The study analyzed the genomes of over 77,000 people with osteoarthritis and found potential avenues for drug exploration.

SourceUniversity of Sheffield·JournalNature Genetics·DateJan 21, 2019

The diversity of rural African populations extends to their microbiomes

A recent study analyzed the gut microbiomes of ethnically diverse Africans from seven populations, revealing wide ranges of microbiome profiles. The researchers found that while there were differences between industrialized and non-industrialized populations, there were also unexpected similarities between groups.

SourceUniversity of Pennsylvania·JournalGenome Biology·DateJan 21, 2019

Otago researcher contributes piece to the puzzle of baleen whales' evolution

A study by Otago researcher Dr Carolina Loch and colleagues has shed new light on the evolution of modern baleen whales' ancestors, revealing complex enamel structures in their teeth. The research suggests that these ancestral whales had a mix of mammalian and whale-like characteristics.

SourceUniversity of Otago·JournalJournal of Mammalian Evolution·DateJan 21, 2019

Asking patients about sexual orientation, gender identity

A Canadian study found that asking patients about their sexual orientation and gender identity in primary care can lead to more inclusive and affirmative care for trans and nonbinary individuals. The study's findings suggest that including flexible response options and clear definitions can improve patient experiences.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateJan 21, 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.

Mechanical engineers develop process to 3D print piezoelectric materials

Researchers at Virginia Tech have developed a method to 3D print piezoelectric materials that can be custom-designed to convert movement, impact, and stress into electrical energy. The new printing technique enables the creation of smart materials with high sensitivities, flexibility, and programmable properties.

SourceVirginia Tech·JournalNature Materials·DateJan 21, 2019

Environmental 'time bomb' warning for world's groundwater reserves

Research reveals over half of global groundwater flows won't respond to climate change until after 100 years, posing long-term water security risks for millions. This finding emphasizes the need for proactive water management policies and climate adaptation strategies.

SourceCardiff University·JournalNature Climate Change·DateJan 21, 2019

Novel technology reduces energy consumption of MRAM and AI hardware

Scientists at Osaka University have successfully controlled nano-sized magnets by heating, amplifying microwave signals and achieving a higher efficiency than current STT-MRAM technology. This breakthrough reduces power consumption of magnetoresistive random access memory (MRAM) and artificial intelligence (AI) devices.

SourceOsaka University·JournalNature Nanotechnology·DateJan 20, 2019

We need to rethink everything we know about global warming

New research shows aerosols' cooling effect is nearly twice higher than previously thought, necessitating a recalculation of climate change models. This discovery highlights the complexity of global warming and the need for further study.

SourceThe Hebrew University of Jerusalem·JournalScience·DateJan 20, 2019
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.

Frog eggs help researchers understand repair of DNA damages

Scientists have discovered two methods to mend DNA-protein crosslinks and established how DNA replication triggers these repair processes. The researchers hope their findings can be used to develop more efficient combination treatments for cancer cells.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalMolecular Cell·DateJan 20, 2019

Ecological benefits of part-night lighting revealed

A study led by Newcastle University found that turning off street lights at midnight has no negative impact on moths' ability to pollinate plants. In fact, it may even help restore natural behavior. By switching off part of the night, local authorities can save energy while supporting nocturnal wildlife.

SourceNewcastle University·JournalEcosphere·DateJan 20, 2019

Brain training app improves users' concentration, study shows

A new brain training game, Decoder, has been shown to improve attention and concentration in healthy young adults after playing for 8 hours over a month. The game was tested against Bingo and no game controls, with significant improvements in focus and performance.

SourceUniversity of Cambridge·JournalFrontiers in Behavioral Neuroscience·DateJan 20, 2019

Orthodontics no guarantee of long-term oral health

A University of Adelaide study found that orthodontic treatment has no long-term impact on dental health. The research followed 448 participants from age 13 to 30 and found that those with straight teeth still required regular brushing and check-ups to prevent decay.

SourceUniversity of Adelaide·JournalCommunity Dentistry And Oral Epidemiology·DateJan 20, 2019

Seven UNIST researchers named 'world's most highly cited researchers'

Seven UNIST researchers have been named 'world's most highly cited researchers' for 2018. This is the second-highest number of HCRs in South Korea after Seoul National University, with two out of four affiliated with UNIST. The researchers are recognized for their work in multiple fields.

SourceUlsan National Institute of Science and Technology(UNIST)·DateJan 19, 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.

UNIST researcher recognized with 2018 Merck Life Science Awards

Jun Ho Lee, a doctoral student at UNIST, received the grand prize of $10,000 from Merck's 2018 Life Science Awards in Tumor Biology. His research on TonEBP expression in hepatocellular carcinoma has shown promise in predicting patient prognosis and preventing cancer recurrence.

SourceUlsan National Institute of Science and Technology(UNIST)·DateJan 19, 2019

Scientists turn carbon emissions into usable energy

Researchers have created a Hybrid Na-CO2 system that efficiently produces electricity and hydrogen from CO2, eliminating carbon emissions. The system achieves high conversion efficiency of 50% and demonstrates stability for over 1,000 hours.

SourceUlsan National Institute of Science and Technology(UNIST)·JournaliScience·DateJan 19, 2019

A new low-latency congestion control for cellular networks

Researchers propose a novel technique called ExLL, which can reduce network latency and improve efficiency for 5G-based services. The new protocol is compared to Google's Biblio (BBR) and shows superior performance in reducing congestion issues.

SourceUlsan National Institute of Science and Technology(UNIST)·DateJan 19, 2019

New study reveals local drivers of amplified Arctic warming

A recent study led by UNIST researchers suggests that local greenhouse gas concentrations, rather than global processes, are driving the amplified warming in the Arctic. The findings indicate that regional factors such as carbon dioxide forcing and polar feedbacks play a more significant role than previously thought.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalNature Climate Change·DateJan 19, 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.

New class of solar cells, using lead-free perovskite materials

Researchers at UNIST have developed a new generation of solar cells using lead-free perovskites, showcasing enhanced efficiency and stability. The study demonstrates that the surface state of Cs2SnI6 is highly redox active, facilitating charge transfer through it.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalAdvanced Energy Materials·DateJan 19, 2019

Charité leads on three new EU-funded projects

Charité is leading three new EU-funded projects: ReSHAPE, VirtualBrainCloud, and ENDOSCAPE. The ReSHAPE project aims to develop a treatment for transplant rejection using regulatory T cells, while VirtualBrainCloud creates personalized brain simulations for neurodegenerative diseases. ENDOSCOPE develops non-viral gene delivery technolo...

SourceCharité - Universitätsmedizin Berlin·DateJan 18, 2019

Why do Hydra end up with just a single head?

Researchers at UNIGE discovered the identity of Hydra's inhibitor, protein Sp5, which maintains a single-headed adult body and regulates regenerative response. The mechanism has been conserved throughout evolution, suggesting potential therapeutic applications in human tumors.

SourceUniversité de Genève·JournalNature Communications·DateJan 18, 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.