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Science News Archive January 2021 - Page 39


Page 39 of 40

First glimpse of polarons forming in a promising next-gen energy material

Researchers used X-ray laser to directly measure formation of polarons, fleeting distortions that affect material's behavior. The study reveals that polarons form large, expanding bubbles that travel along with electrons, potentially explaining why lead hybrid perovskites achieve high efficiencies in solar cells.

SourceDOE/SLAC National Accelerator Laboratory·JournalNature Materials·DateJan 4, 2021

Researchers regenerate deactivated catalyst in methanol-to-olefins process

A research team from Dalian Institute of Chemical Physics regenerates deactivated catalysts in the methanol-to-olefins (MTO) process by transforming coke to active intermediates. This approach promotes light olefin formation and recovers catalyst activity, achieving high selectivity rates.

SourceDalian Institute of Chemical Physics, Chinese Academy Sciences·JournalNature Communications·DateJan 4, 2021
Apple iPhone 17 Pro

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

Long live the efficient, pure-blue OLED

Using a new combination of emitter molecules, researchers achieved devices that produce pure-blue emission with high efficiency, maintain brightness for relatively long times, and lack expensive metal atoms. The approach uses a tandem structure to effectively double the emission, leading to nearly doubled lifetime at high brightness.

SourceKyushu University·JournalNature Photonics·DateJan 4, 2021
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.

Sweetened beverage sales bounced back quickly after Cook County tax repealed

A study published in JAMA Network Open found that sweetened beverage sales rebounded quickly after the Cook County tax was repealed. Despite a significant decrease in consumption during the tax's four-month period, sales returned to pre-tax levels, suggesting that price point alone drove down demand.

SourceUniversity of Illinois Chicago·JournalJAMA Network Open·DateJan 4, 2021

A robotic revolution for urban nature

Researchers assess opportunities to improve nature monitoring, increase access to green spaces, and reduce pollution with robotics. However, they also warn of potential negative impacts on the environment, including waste generation and social inequalities.

SourceUniversity of Leeds·JournalNature Ecology & Evolution·DateJan 4, 2021

Changes in abortion in Texas following executive order ban during pandemic

A recent study published in JAMA Network found that abortions performed in Texas changed significantly after the state's executive order postponed nonmedically necessary surgeries during the COVID-19 pandemic. The researchers assessed abortion rates and gestational ages to compare changes between 2019 and the affected months.

SourceJAMA Network·JournalJAMA·DateJan 4, 2021

Gas pressure depletion and seismicity

A new study published in Geology has shed light on the mechanisms driving induced subsidence and seismicity in gas-producing sandstone reservoirs. Researchers analyzed drill core samples from the Groningen field, finding evidence of elastic strain plus inelastic compression of weak clay films within grain contacts.

SourceGeological Society of America·JournalGeology·DateJan 4, 2021
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.

Brain cancer linked to tissue healing

Researchers found that brain tumour growth may be triggered by mutations in cells generated to replace damaged tissue after an injury. The study provides new insights into how glioblastoma develops and could lead to targeted therapies.

SourceUniversity of Toronto·JournalNature Cancer·DateJan 4, 2021

Scientists develop new approach to understanding massive volcanic eruptions

Scientists have created a new numerical model to estimate the dimensions of umbrella clouds contributing to volcanic ash deposits. This tool helps understand past large explosive eruptions and improve forecast of future events. The research was applied to the 2,500-year-old eruption of Pululagua volcano in Ecuador.

SourceUniversity of South Florida·JournalCommunications Earth & Environment·DateJan 4, 2021

More women embracing 'going flat' after mastectomy

A study by UCLA researchers found that 74% of women who forgo breast reconstruction after a mastectomy are satisfied with their outcome. Despite support concerns, women pointed to faster recovery and body image as reasons for choosing 'going flat'.

SourceUniversity of California - Los Angeles Health Sciences·JournalAnnals of Surgical Oncology·DateJan 4, 2021
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.

Using solar energy and agriculture to limit climate change, assist rural communities

A new study by Oregon State University researchers finds that co-developing land for solar photovoltaic power and agriculture could reduce US carbon emissions by 330,000 tons annually and create over 100,000 jobs. The proposed agrivoltaic systems would produce 20% of US electricity generation while minimizing crop yield impact.

SourceOregon State University·JournalSustainability·DateJan 4, 2021

Experiment to precisely measure electrons moves forward

The MOLLER experiment aims to precisely measure the electron's weak charge, providing a stringent test of the Standard Model. With a projected five times better precision than previous experiments, this measurement could uncover new physics at high masses.

SourceDOE/Thomas Jefferson National Accelerator Facility·DateJan 4, 2021

Supercapacitors challenge batteries

A team of researchers from TUM has developed a highly efficient supercapacitor using a novel, powerful and sustainable graphene hybrid material. The new energy storage device achieves an energy density of up to 73 Wh/kg and performs better than most other supercapacitors at a power density of 16 kW/kg.

SourceTechnical University of Munich (TUM)·JournalAdvanced Materials·DateJan 4, 2021

Study explains why patients with cancer spread to the liver have worse outcomes

A new study found that tumors in the liver siphon off critical immune cells, rendering immunotherapy ineffective. However, coupling immunotherapy with radiotherapy restored immune cell function and led to better outcomes in mice. Researchers are now exploring potential clinical trials to understand the mechanisms at play.

SourceMichigan Medicine - University of Michigan·JournalNature Medicine·DateJan 4, 2021
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.

Pollutants rapidly changing the waters near Ieodo Island

The study confirms that nutrient imbalance in northeast Asian waters is disrupting phytoplankton species and marine ecosystems. Nitrogen pollutant inflow since the 1980s has led to changes in oceanic conditions, particularly near Ieodo Ocean Research Station.

SourcePohang University of Science & Technology (POSTECH)·JournalLimnology and Oceanography·DateJan 4, 2021

State laws promoting flu vaccination for hospital workers may help prevent deaths from flu and pneum

Research suggests that state laws requiring flu vaccination for hospital workers can reduce pneumonia and influenza mortality rates, particularly among the elderly. A quasi-experimental study found a 2.5% reduction in monthly pneumonia and influenza mortality rates after law implementation, averting approximately 1,822 deaths.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateJan 4, 2021
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.

Scientists seek faster route to treat depression

Researchers found that acute intervention in epigenetic mechanisms produces antidepressant-like effects more rapidly than conventional drugs. The study used epigenetic modulators to 'erase' the damage done by stress to neuroplasticity, showing a potential faster route to treating depression.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalMolecular Neurobiology·DateJan 4, 2021

Scientists discover how mother-of-pearl self-assembles into a perfect structure

Researchers used synchrotron-based holographic X-ray nano-tomography to study the internal structure of nacre, finding that structural defects attract and cancel each other out, leading to the formation of a perfectly regular tissue. This mechanism could drive not only nacre but also other biogenic structures.

SourceTechnische Universität Dresden·JournalNature Physics·DateJan 4, 2021

Using artificial intelligence to find new uses for existing medications

Scientists developed a machine-learning framework to identify potential repurposed drugs for diseases, using massive amounts of data from patient care records. The analysis suggested six candidates, including metformin and escitalopram, which are currently being tested.

SourceOhio State University·JournalNature Machine Intelligence·DateJan 4, 2021
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.

Severe sepsis predicted by common protein

Galectin-1, a sugar-binding protein, may fuel inflammation and worsen sepsis in patients at risk. Researchers found elevated levels of galectin-1 in sepsis patients and suggest it as a potential biomarker for identifying those at risk.

SourceUniversity of Connecticut·JournalNature Immunology·DateJan 4, 2021

In kefir, microbial teamwork makes the dream work

A team of microbes in kefir works together to survive and thrive, each providing something another needs. The dominant Lactobacillus bacteria feed on each other's metabolites to create a complex and cooperative community.

SourceEuropean Molecular Biology Laboratory·JournalNature Microbiology·DateJan 4, 2021

Discussion and de-escalation in social media

An international research team is creating an AI-powered moderator for social media to mitigate conflict escalation. The virtual mediator uses artificial intelligence to identify hostile comments and intervene in discussions.

SourceUniversity of Göttingen·DateJan 4, 2021
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.

Chemists succeed in synthesis of aminoalcohols by utilizing light

Scientists at University of Münster have successfully synthesized the least accessible form of vicinal aminoalcohols using a photo-initiated reaction method. This breakthrough enables the efficient production of high-quality organic compounds found in everyday products, with potential applications in pharmaceuticals and natural products.

SourceUniversity of Münster·JournalNature Catalysis·DateJan 4, 2021

How to identify heat-stressed corals

A Rutgers-led study identifies chemical indicators of heat stress in corals, allowing scientists to pinpoint species at risk from climate change. The discovery could inform conservation efforts and protect coral reefs worldwide.

SourceRutgers University·JournalScience Advances·DateJan 4, 2021

Study resolves long-running controversy over critical step in gene silencing

Researchers at Massachusetts General Hospital resolved a long-standing debate about PRC2's targeting mechanism, revealing RNA motifs as the key to specific interactions. This finding has significant implications for cancer treatment and development of new therapeutics.

SourceMassachusetts General Hospital·JournalNature Structural & Molecular Biology·DateJan 4, 2021

For moms, oxygen during childbirth often unnecessary

A comprehensive analysis of 16 previous trials found that providing supplemental oxygen to mothers during labor and delivery has no benefit for infant health. The study suggests that the practice could be safely discontinued for many women, potentially reducing unnecessary interventions and healthcare costs.

SourceWashU Medicine·JournalJAMA Pediatrics·DateJan 4, 2021
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.

Reawakened geyser does not foretell Yellowstone volcanic eruptions, study shows

A new study by geoscientists finds that the reactivation of Steamboat Geyser does not foretell any upcoming volcanic eruptions in Yellowstone National Park. The researchers discovered a relationship between the column height of the geyser and the depth of its reservoir, with deeper reservoirs resulting in higher eruption jets.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateJan 4, 2021

Risk of substance use disorder among patients with autism

Patients with autism spectrum disorder in Taiwan showed a higher risk of substance use disorder compared to the general population. The study, published in JAMA Pediatrics, used health insurance data to investigate this association and found that individuals with autism were more likely to die prematurely due to substance-related causes.

SourceJAMA Network·JournalJAMA Pediatrics·DateJan 4, 2021

Subscriptions to satellite alerts linked to decreased deforestation in Africa

A new study found that subscriptions to satellite alerts from Global Forest Watch resulted in a 18% decrease in deforestation in African countries. The carbon emissions avoided were worth between $149 million and $696 million, highlighting the potential of automated alerts in reducing forest loss.

SourceUniversity of Wisconsin-Madison·JournalNature Climate Change·DateJan 4, 2021
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.

One in four doctors attacked, harassed on social media

A new study found that one in four physicians report being attacked and sexually harassed on social media, with women disproportionately affected. The study highlights the need for medical institutions to have a plan in place to respond to online harassment and support physicians' careers.

SourceNorthwestern University·JournalJAMA Internal Medicine·DateJan 4, 2021

Public health messaging in era of social media

The rapid spread of COVID-19 pandemic misinformation on social media is a significant concern. Researchers propose strategies to counteract its adverse effects, including digital data surveillance and partnering with trusted messengers.

SourceJAMA Network·JournalJAMA·DateJan 4, 2021

Innovative battery chemistry revolutionizes zinc-air battery

An international research team has developed a new zinc-air battery chemistry using a non-alkaline, aqueous electrolyte, overcoming previous technical obstacles. The new battery exhibits higher chemical stability and electrochemical reversibility, with potential to compete with lithium-ion batteries.

SourceUniversity of Münster·JournalScience·DateJan 4, 2021

Alpha-ray missile therapy: tumor cells attacked from intracellular region

Researchers at Osaka University have developed a novel drug targeting LAT1 to deliver radionuclides into malignant tumors, selectively killing cancer cells. The approach offers high therapeutic effects with few side-effects, revolutionizing radionuclide therapy for pancreatic cancer and other malignancies.

SourceOsaka University·JournalCancer Science·DateJan 4, 2021
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.

Convex to concave: More metasurface moiré results in wide-range lens

Researchers from Tokyo University of Agriculture and Technology developed rotational varifocal moiré metalens that can tune focal length along a wider range than previously seen. This breakthrough could lead to ultra-compact imaging systems for future smartphones, virtual reality goggles, drones, or microbots.

SourceTokyo University of Agriculture and Technology·JournalOptics Express·DateJan 4, 2021

Pandas' popularity not protecting neighbors

Despite panda conservation efforts, some species suffer from habitat loss and degradation under 'umbrella' policies. Research found that Asiatic black bears, forest musk deer, and Chinese serows are negatively impacted by panda-centric management.

SourceMichigan State University·JournalBiological Conservation·DateJan 4, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Fluoride to the rescue?

Scientists at UC Santa Barbara have developed a new approach to addressing the challenge of antibiotic-resistant bacteria by replacing antibiotics with fluoride. The method uses a genetically engineered cell that can survive in the lab but dies when exposed to fluoride, preventing its propagation into the natural environment.

SourceUniversity of California - Santa Barbara·JournalNature Communications·DateJan 4, 2021

A polarization-driven guide to making high-performance, versatile solar cells

Researchers from Incheon National University propose a novel solution in the form of antiperovskite oxides, which exhibit spontaneous electric polarization and ideal band gaps for efficient sunlight absorption. This discovery opens up endless possibilities for diverse applications, including wearable devices like smartwatches.

SourceIncheon National University·JournalACS Applied Materials & Interfaces·DateJan 4, 2021

Inflammation from ADT may cause fatigue in prostate cancer patients

A new study published in Cancer suggests that inflammation from ADT is linked to higher levels of fatigue in prostate cancer patients. The researchers found an increase in the inflammation marker IL-6 in this group, which may contribute to symptoms.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalCancer·DateJan 4, 2021

Prediabetes subtypes identified

Researchers have identified six distinct subtypes of prediabetes, differing in disease development and risk. These subtypes can be used to predict individual risk of developing diabetes and secondary diseases, enabling targeted prevention measures.

SourceDeutsches Zentrum fuer Diabetesforschung DZD·JournalNature Medicine·DateJan 4, 2021
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.

Traditional stereotypes about masculinity may help explain support for Trump

Research found that men and women endorsing traditional forms of masculinity were more likely to vote for and have positive feelings towards Trump. Hegemonic masculinity, a culturally idealized form of masculinity emphasizing strength, dominance, and power, was linked to increased sexism, racism, and xenophobia.

SourcePenn State·JournalProceedings of the National Academy of Sciences·DateJan 4, 2021

Frequent travel could make you 7% happier

A new study by Washington State University reveals frequent travelers are happier with their lives than non-travelers. Individuals who frequently discuss travel plans and take regular vacations (75 miles or more away from home) report a significant increase in overall well-being.

SourceWashington State University·JournalTourism Analysis·DateJan 4, 2021

Elephant ivory continues to be disguised and sold on eBay

Researchers from the University of Kent's Durrell Institute of Conservation and Ecology found that elephant ivory is still being sold on eBay, often disguised as bone. The study reveals that only a small percentage of these items were removed by eBay, highlighting the ongoing challenge of combating illegal wildlife trade.

SourceUniversity of Kent·JournalTropical Conservation Science·DateJan 4, 2021