Bluesky Facebook Reddit Email

Science News Archive February 2019


Page 35 of 40

The good and evil of ghosts, governments, and machines

A new study reveals that people believe good spirits reside in mountains and evil spirits in caves, and that governments are rated as more moral than organizations after a transgression. Meanwhile, concerns about machines making life-or-death decisions may limit their role in the future.

NCCR MARVEL/CECAM team win EPFL Open Science Fund award

The NCCR MARVEL/CECAM team has been awarded the EPFL Open Science Fund to develop open software services for classrooms and research. The team will create an online hub with simulation and data-analysis tools that can be easily used by researchers and students.

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.

Fate of the subducted oceanic crust revealed by laboratory experiments

Scientists used high-pressure techniques to measure sound velocities of a key mineral in the Earth's mantle, shedding light on its composition and role in the lower mantle. The findings suggest that subducted oceanic crust plays a crucial role in explaining the magnitude of seismic velocity reductions at depths below 660 km.

Education may not protect against dementia as previously thought

A new study published in Neurology suggests that education does not play a significant role in when the disease starts or how fast it progresses. Researchers found an association between higher education and better thinking and memory skills at the start of the study, but this did not translate to slower cognitive decline.

Apple iPhone 17 Pro

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

Researchers reveal prostate tumors 'fed' by fatty acids

Researchers found that prostate cancer cells absorb fatty acids, increasing tumor growth, and blocking this process slows cancer development. The study suggests a possible therapeutic target for treating prostate cancer, particularly for men with aggressive disease.

How lung tissue forms immune cell hubs in times of need

Immunology researchers at the Babraham Institute discovered how lung tissue is remodelled to support an immune response to influenza, producing antibodies with cross-protection against multiple strains. The findings may lead to more robust seasonal influenza vaccination and new therapeutic strategies for autoimmune diseases.

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.

Prehistoric food globalization spanned three millennia

Researchers have mapped how ancient cereal crops spread from isolated pockets of first cultivation, driven by peasant farmers' needs rather than cultural choices. The study shows that food globalization in prehistory had an equally dramatic impact on food cultivation as the Columbian Exchange.

ASU scientists study organization of life on a planetary scale

Researchers at Arizona State University have found that biochemistry is governed by general organizing principles, applicable from individual organisms to ecosystems and the biosphere as a whole. These universal principles can help constrain the emergence of life on other planets.

Yoga regimen reduces severity of rheumatoid arthritis symptoms

A study published in Restorative Neurology and Neuroscience found that eight weeks of intensive yoga practice significantly decreases the severity of physical and psychological symptoms in patients with active rheumatoid arthritis. The results show marked improvements in inflammatory biomarkers, functional status, and disease activity.

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.

Feces transplantation: Effective treatment facing an uncertain future

A new study by Christian Lodberg Hvas shows that faeces transplantation is an effective treatment for Clostridium difficile, curing 22 out of 24 patients after a single procedure. In contrast, only 10 out of 24 patients were cured using the antibiotic fidaxomicin, highlighting the potential life-saving benefits of this treatment.

Achieving the Paris Climate Agreement goals

A new open-access book presents two years of research on how to best tackle climate change, funded by the Leonardo DiCaprio Foundation. The book provides a feasible roadmap for achieving and surpassing the targets set by the Paris Climate Agreement, indicating that goals are achievable with current technology.

Weight loss surgery changes the way our bodies sense food

Researchers found that bariatric surgery triggers the release of higher levels of gut hormones, particularly GLP-1, leading to increased insulin production and improved glucose control. The study suggests a new mechanism for weight loss and diabetes management after surgery.

Depression increases risk of death in older adults

A study published in the Journal of the American Geriatrics Society found that depression symptoms are linked to an increased risk of death in older adults. The research suggests that heart disease and stroke may play a role in this connection, but preventing heart disease is not enough to prevent or delay death.

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.

Learning transistor mimics the brain

Scientists at Linköping University have developed an organic electrochemical transistor that can learn and create new connections, similar to the human brain. The transistor uses a unique material called ETE-S, which allows it to adapt to changing input signals, enabling the creation of new connections.

Data-transmitting light signal gets power boost from nanosized amplifier

A team of international researchers has developed a nanosized amplifier to boost light signals in microchips, significantly reducing signal attenuation. The breakthrough utilizes atomic layer deposition method and could lead to increased performance and energy efficiency in microcircuit systems.

Underwater forests threatened by future climate change, new study finds

A new study reveals that climate change could lead to declines of underwater kelp forests, impacting fisheries and potentially affecting food security. The research found that ocean warming and acidification can cause disease-like symptoms in kelp, leading to degradation and photosynthesis impairment.

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.

Novel enzyme discovered in intestinal bacteria

A novel glycyl radical enzyme has been discovered in Bilophila bacteria, responsible for degrading taurine and producing toxic hydrogen sulphide. The enzyme's oxygen-sensitivity and role in intestinal barrier permeability and colon cancer are being further investigated.

New method for high-speed synthesis of natural voices

Researchers created a new technique called neural source-filter (NSF) to synthesize high-quality speech waveforms resembling the human voice. NSF requires less data and parameter tuning compared to existing methods, resulting in comparable quality to WaveNet.

Catching flies with vinegar

Scientists identified a protein, IR7a, required for fruit flies to detect acetic acid and make decisions based on its concentration. This discovery could have implications for understanding taste research and disease prevention.

Fluke 87V Industrial Digital Multimeter

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

Radiologists can help identify victims of domestic violence

A study published in Radiology found that radiologists can identify patterns of injury indicative of intimate partner violence. The research suggests that medical images can offer early clues of this type of violence, particularly among women and those with certain socioeconomic factors.

Researchers track down new biocatalysts

Microbiologists at the University of Göttingen developed a new method to detect novel enzymes that can release phosphate from environmental samples. This breakthrough has significant implications for industrial processes, biotechnology, and sustainable agriculture.

Traffic fatalities on a high after cannabis legalization: Study

A Monash University study found that recreational cannabis sales led to an average of one additional traffic fatality per million residents in US states where it was legalized. The increase was short-lived, lasting about a year after legalization. The study also reported spillover effects on neighboring jurisdictions.

Pharmacy in the 21st century: Transformational change ahead

The article highlights the need for fundamental changes in pharmacy practice to effectively and safely meet society's healthcare needs. Key findings include repurposing physical layouts, optimizing workflow processes, and integrating pharmacists into patient care plans with eHealth technology and interprofessional teamwork.

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.

Ferroelectric polymers made more versatile

Scientists from the University of Groningen created block copolymers from PVDF that preserve its ferroelectricity while allowing tunable characteristics. These copolymers enable various applications, including flexible organic electronics and energy storage.

Anticancer mechanism revealed in yeast experiments

Scientists have discovered how DNA topoisomerase II and CKII enzymes in fission yeast interact to promote cell growth, a mechanism that may be similar in human cancer cells. Inhibiting these enzymes could lead to new cancer treatments.

Study reveals how immune cells target different tissues

A study published in Immunity reveals that T regulatory cells have tissue-specific receptors and adaptations to localize themselves in specific tissues. This discovery could lead to the development of targeted therapies for autoimmune diseases by manipulating therapeutic T cells to specific locations in the body.

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.

A better way to measure cell survival

MIT researchers have developed a new toxicity test that can measure chemical effects on cell survival with greater sensitivity than popular tests. The MicroColonyChip system uses tiny wells to form small colonies, allowing for rapid results in just a few days.

Growing the tallest is not always the best option

Researchers at CRAG have discovered that chloroplasts play a key role in regulating the shade avoidance syndrome in plants, allowing them to optimize photosynthesis. This discovery has important implications for improving crop productivity without increasing land use.

Educational intervention cuts unnecessary antibiotic prescriptions in China

A study published in PLOS Medicine found that an educational intervention trained rural Chinese primary care doctors to prescribe antibiotics more appropriately, reducing unnecessary prescriptions for childhood upper respiratory tract infections by 36%. The intervention's long-term benefits were sustained even a year after its conclusion.

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.

Theoretical model may help solve molecular mystery

A theoretical model has been developed to describe how chiral molecules can create a spin current, potentially revolutionizing electronic devices. The model predicts that certain circuits with four contacts will allow the detection of this effect.

Pop art and comics -- imitation, confrontation, collaboration

Researchers at the University of Chichester and Leuven discovered that Roy Lichtenstein had a complex and collaborative dynamic with comics creators. The artist's work significantly shaped comics publications, and cartoonists praised each other's work.

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.

Following the light

Coral reefs optimize their photosynthetic capacities to prevailing environmental conditions, such as light availability, temperature, and nutrient levels. This adaptation allows reef organisms to respond to stresses like global climate change, with potential implications for measuring reef health and ecosystem function.

A taste for fat may have made us human, says study

A new paper in Current Anthropology proposes that early human ancestors acquired a taste for fat by eating marrow scavenged from large animal skeletons. This fatty diet provided the necessary calories to develop bigger brains, contradicting the widely held view that meat consumption was crucial for human evolution.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Researchers one step closer to growing made-to-order human kidneys

Researchers have successfully grown functional mouse kidneys inside rats from just a few donor stem cells, offering a promising solution to the global kidney shortage. The study, published in Nature Communications, used the blastocyst complementation method to generate human stem cell-derived organs.

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.

Chaotic home lives define 'Dreamer' experience

A new study from Cornell University reveals that undocumented Latino immigrants are more likely to live with extended family and non-relatives than other groups. This complexity in living arrangements has significant implications for social and economic well-being, particularly affecting U.S.-born children of these individuals.

Ovarian cysts should be 'watched' rather than removed

A two-year study found that out of 1919 women diagnosed with non-cancerous ovarian cysts, 20% had the cysts disappear on their own, and 80% either resolved or didn't require intervention. The risk of complications from surgical removal was lower than previously thought.

Molecule silences barrel, bullet pointed at transplanted organ

A powerful molecule, HLA-G dimer, helps protect transplanted organs from rejection by quietening two other immune molecules. The study provides more evidence that this molecule should be an effective therapy for protecting transplanted organs, and its potential to improve outcomes in organ transplant patients.

Differences in water temperature can create new marine species

A new study finds that variations in water temperature over long stretches of coastline lead to the emergence of new marine fish species without geographical isolation. This discovery sheds light on the early stages of species evolution in the ocean and has significant implications for managing threatened or exploited fish stocks.

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.