Bluesky Facebook Reddit Email

Science News Archive 2021


Page 297 of 510

Nickel atoms detected in the cold gas around interstellar comet 2I/Borisov

Astronomers have discovered nickel atoms in the cold gas surrounding interstellar comet 2I/Borisov, revealing new information about an alien icy world. The presence of nickel, a heavy element not typically observed in cold environments, suggests the comet's composition is influenced by a short-lived nickel-bearing molecule.

Immunotherapy combination shows benefit for patients with advanced melanoma

A fixed-dose combination of nivolumab and relatlimab demonstrated a statistically significant benefit over anti-PD-1 monotherapy in metastatic melanoma. The study found that patients treated with the combination therapy had a median progression-free survival of 10.1 months, compared to 4.6 months for those treated with nivolumab alone.

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.

Socioeconomic disadvantage, long-term outcomes after heart attack

Patients from socioeconomically disadvantaged areas had lower long-term survival rates compared to those from more affluent areas. The study found a significant association between socioeconomic status and cardiovascular outcomes in young adults with early-onset heart attacks.

Soy kits provide earning power for women entrepreneurs in Malawi

A University of Illinois study reveals that soy kits can improve the economic conditions of Malawian women by creating value-added products from soy. The kits have potential to increase income generation and alleviate poverty, with gross margins averaging 56% and implicit wages estimated at $2 per hour.

Apple iPhone 17 Pro

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

Study finds new and effective treatment for vitamin D deficiency

A new study finds that 25-hydroxyvitamin D3 is an effective treatment for vitamin D deficiency in patients with fat malabsorption syndromes, including gastric bypass surgery and obesity. This water-soluble form of vitamin D3 is better absorbed in these patients and does not get diluted by body fat.

Combination therapy achieves high rates of response for patients with ALL

A combination of ponatinib and blinatumomab achieves 100% complete response rate and 85% complete molecular remission in newly diagnosed patients, reducing the risk of treatment-related complications. The treatment is safe and well-tolerated, with no additional toxicity observed when used together.

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.

Wireless and battery-free spintronic energy harvester

Researchers at Tohoku University and NUS developed an array of electrically connected spintronic devices that can harvest a 2.4 GHz wireless signal to power small electronic devices and sensors. The technology overcomes the challenge of synchronizing multiple magnetic tunnel junctions, enabling efficient energy harvesting.

Fluke 87V Industrial Digital Multimeter

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

Pancreatic cancer: Mechanisms of metastasis

Researchers discovered a two-stage process leading to aggressive pancreatic cancer, where protein loss allows for tumor transformation and immune evasion. The study suggests reinstating the classical subtype could reduce metastasis.

New, biological, and safer soaps

An international research team has discovered a new molecule, ananatosides, produced by non-pathogenic bacteria Pantoea ananatis, which could potentially replace harmful rhamnolipid molecules. The team's findings aim to address the health risks associated with growing pathogenic bacteria on a large scale.

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.

Sexual attraction preferences vary between men and women and across different ages

A new analysis of over 7,300 Australian users of dating websites found that men and women prioritize similar traits in their sexual attraction, but to varying degrees. Physical build, attractiveness, and personality are highly important across both sexes, with women placing greater emphasis on age, education, and emotional connection.

European cowslip observations are in full swing

The 'Looking for Cowslips' campaign has started successfully, collecting data on the spring flower Primula veris and its populations across Europe. Over 120,000 cowslip observations have been recorded so far.

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.

Study raises new alarm over long-term exposure to second-hand smoke

A new study published in Environmental Health Perspectives found that chronic exposure to second-hand smoke results in lower body weight and cognitive impairments, particularly affecting males. Researchers used a specially designed 'smoking robot' to expose mice to cigarette smoke over 10 months.

Story tip from Johns Hopkins experts on COVID-19

A recent study suggests that COVID-19 may cause myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) in young people. Three case studies reviewed by Johns Hopkins Medicine found ME/CFS-like symptoms within two weeks of illness, with all patients meeting criteria for the condition six months later.

Different levels of conservation protection favor distinct communities

A study published in PLOS Biology highlights the importance of diverse conservation strategies to maximize regional biodiversity and maintain ecosystem services. Researchers found distinct groups of species in 'Strictly Protected' areas compared to 'Restricted' and 'Non-Protected' sites.

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.

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.

Bees interrupted

A 15-year study on wild bees in Michigan found a 61% decline in bee numbers due to extreme warm temperatures in spring 2012, with some species recovering while others declined. The research emphasizes the importance of long-term monitoring and protecting these essential insects for food systems.

Predicting blood clots before they happen in pediatric patients

A predictive model has been developed to identify pediatric patients at risk of developing blood clots or venous thromboembolisms. The model includes 11 risk factors and has been validated on over 44,000 separate admissions. In a trial called CLOT, the model is being used to inform personalized prevention plans for high-risk patients.

Envisioning safer cities with AI

Researchers developed an AI tool called BRAILS to simulate risks to cities using crowdsourced data, neural networks, and supercomputers. The tool automatically identifies building characteristics and detects hazards like earthquakes, hurricanes, or tsunamis.

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.

Children's sleep and adenotonsillectomy

Children who undergo adenotonsillectomy surgery to treat sleep disorders experience improved sleep quality and quality of life. However, their behavior remains unchanged. The study suggests that parents may be reassured by post-operative improvements in behavior due to factors such as increased family sleep and reduced parental worry.

Children's Tumor Foundation announces revised diagnostic criteria for NF1

The Children's Tumor Foundation has announced revised diagnostic criteria for neurofibromatosis type 1 (NF1), which aim to improve the accuracy and earlier diagnosis of the condition. The updated criteria also cover Legius syndrome and mosaic NF, with further updates expected for NF2 and schwannomatosis.

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.

What are the effects of inappropriate prescriptions in older adults?

A study published in British Journal of Clinical Pharmacology found that potentially inappropriate prescribing is associated with functional decline, falls and hospital admissions. Decision support tools can help reduce medication-related harm, but comprehensive assessment of medication use during care transitions is crucial.

New research could help manufacturers avoid 3D-printing pitfall

Researchers at NIST found that island scanning, a common method to mitigate residual stress in 3D-printing, is far from a silver bullet. The study used high-energy X-rays and detailed mapping to analyze the effects of different printing patterns on titanium alloy parts.

Researchers identify novel approach to repair the human heart

A team of scientists from Loyola University Chicago's Stritch School of Medicine have discovered a critical component for renewing the heart's molecular motor, which breaks down in heart failure. Restoring BAG3 levels could strengthen the heart as a potential treatment for heart failure.

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 explores digitally native, but technologically illiterate students

A new study by UToledo researchers highlights the gap between digitally native but technologically illiterate students and the corporate world's need for technological literacy. The researchers recommend building proficiency in business software, having educators act as convener-not-conveyer of learning, and applying design thinking to...

Parental consumption shapes how teens think about and use cannabis

A UBCO study reveals that kids who grow up in homes where parents consume cannabis are more likely to use it themselves. The research suggests that understanding parental influence can help develop effective prevention programs by addressing how youth think about substance use based on their familial and personal experiences.

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.

New research may revolutionise cataract treatment

A breakthrough study by Anglia Ruskin University experts suggests that cataract treatment could shift from surgery to drug therapy, offering exciting implications for public health. The research found the role of aquaporin proteins in lens development and highlights the potential for nanotechnologies to support drug-based therapies.

Groundwater monitoring with seismic instruments

Researchers used seismic waves to monitor groundwater dynamics in high mountains, tracking changes in soil saturation and predicting runoff. The study provides valuable insights into the function of the vadose zone as a link between precipitation and groundwater reservoirs.

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.

What causes pools below waterfalls to periodically fill with sediment?

Deep pools below waterfalls are refuges for fish and aquatic animals during summer months when river temperatures become lethal. Waterfall jets can liquefy sediment, triggering debris flows that damage property and threaten lives. Researchers provided a new framework to predict plunge pool fill and evacuation patterns.

Earthquake creates ecological opportunity

A University of Otago study found that the 1855 Wairarapa earthquake created an ecological opportunity for a previously South Island restricted seaweed species to colonize and establish itself in the North Island. This discovery highlights the potential of tectonic disturbance to shape biodiversity, including marine environments.