Bluesky Facebook Reddit Email

Science News Archive 2021


Page 144 of 510

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.

A gene that controls the severity of colon cancer

Researchers found that the gene TCF-1 regulates specific Treg cells, leading to more severe and inflammatory colon cancers. Without TCF-1, these cells become activated and gain a gut-homing feature, resulting in harsher cancer outcomes.

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.

Exposure to traffic noise linked to higher dementia risk

A study from Denmark found that long-term exposure to road traffic and railway noise is associated with a higher risk of developing dementia, especially Alzheimer's disease. The researchers estimate that up to 1,216 cases of dementia in 2017 could be attributed to these noise exposures.

Apple iPhone 17 Pro

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

HIV linked with increased risk of sudden cardiac death

A recent study published in the Journal of the American Heart Association found that people living with HIV are at a higher risk of sudden cardiac death compared to those without the virus. The study analyzed data from over 144,000 veterans and found that 26% of those who died from sudden cardiac death had HIV.

Antioxidant drug reverses process responsible for heart attacks and strokes

A new antioxidant drug, cysteamine, has been found to reverse atherosclerosis by reducing the oxidation of LDL cholesterol. This process reduces inflammation, damage, and clot formation, ultimately lowering the risk of heart attacks and strokes. Cysteamine was shown to decrease plaque size by up to 56% in mice with atherosclerosis.

Hand pollination of crops is of major importance

Researchers from Göttingen and Hohenheim found hand pollination used worldwide for 20 crops, including apples and vanillas. The method can reduce losses and improve crop quality, but also brings challenges due to labor intensity and cost.

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.

Benefits of intraoperative assessment in bariatric procedure

The study found that intraoperative esophagogastroduodenoscopy (IEGD) reduces hospital length of stay, radiation exposure, and costs compared to postoperative upper gastrointestinal (PUGI) radiographic series. IEGD also improves patient satisfaction with similar clinical outcomes.

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.

The Sun's 11-year cycle cannot explain global warming

A new study published in Climate Dynamics analysis observational data and a large climate model found that the Earth's 11-year cycle is out of sync with solar fluctuations. The findings refute climate skeptics' claims that the sun plays a major role in global warming.

People with Parkinson's may benefit from 7 walking strategies

Researchers surveyed 4,324 people with Parkinson's and found that many are unaware of all seven compensation strategies, but most who tried them reported positive effects. The study suggests a 'one-size-fits-all' approach doesn't work, emphasizing the need for personalized education on available strategies.

Fluke 87V Industrial Digital Multimeter

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

CityU scientist hunted down the first unpaired Weyl magnetic monopole

A City University of Hong Kong physicist has observed the first unpaired singular Weyl magnetic monopole in a specific kind of single crystalline solid, defying the Nielsen-Ninomiya no-go theorem. The discovery opens up new avenues for understanding bulk topological properties and potential applications in spintronics.

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.

Museum collections predict species abundance in the wild

Researchers analyzed 1.4 million field observations and 73,000 museum records to find a strong correlation between species abundance in nature and their presence in museum collections. This method enables scientists to study species decline and estimate past abundances, providing insights into conservation efforts.

Sharp fall in amputations due to type 1 diabetes

A 20-year study shows a 40% decrease in amputation rates among people with type 1 diabetes in Sweden. Improved treatment of risk factors such as blood sugar levels and kidney function contributed to the trend reversal.

Biological clue to why stressed out fruit flies die sooner

Researchers found that stressed fruit flies have the biggest change in their microbiome, suggesting a link between social stress, immunity, and longevity. The study used Drosophila melanogaster fruit flies and found sex- and age-specific variations in their microbiome composition.

Study reveals dramatic impact of climate change in the Sierra Nevada

A new study reveals climate change has dramatically altered the Sierra Nevada's aquatic ecosystem, impacting water resources. The research found that the region's snowpack and lake sediments show significant changes in response to warming temperatures, posing major threats to California's water supply.

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.

Potential indicator for obesity risk detected during sleep

A recent study published in Scientific Reports found that individuals with inflexible metabolisms exhibit higher carbohydrate oxidation rates at night, indicating a reduced ability to burn fat during sleep. This discovery has the potential for practical use in disease prevention and early intervention.

Steps per day matter in middle age, but not as many as you may think

A UMass Amherst researcher found that walking 7,000 steps per day significantly reduces middle-aged mortality risk, but further increases do not provide additional benefits. The study analyzed data from over 2,100 participants and suggests that even small increments in physical activity can have substantial health implications.

Immunologic resilience: A new metric to accurately gauge COVID-19’s path

Researchers developed a novel concept to predict COVID-19 severity using immunologic resilience, which was linked to patient outcomes such as mortality, hospitalization, and SARS-CoV-2 levels. The study found that patients with inferior immune health grades had higher risks of severe illness and poorer outcomes.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Platelets key to blood vessel damage in COVID-19 patients

A new study has identified abnormal crosstalk between platelets and cells lining blood vessels as a cause of deadly organ damage in severe COVID-19 patients. The study found that protein signals from platelets can create inflammation, abnormal clotting, and damage to vessels when exposed to the pandemic virus.

Tweezer grant pleases Rice researchers

The university will acquire an optical tweezer to study colloidal copolymer chains, protein binding strength and other phenomena. The instrument will be made available to Rice researchers and collaborators.

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.

Smaller breathing tubes are better when intubating singers, everyone

A survey of 147 medical professionals found that smaller endotracheal tube sizes reduce complications in professional voice users. The team hopes to establish evidence-based practices for managing the airways of these patients, who are particularly vulnerable to damage from intubation.

Marijuana use at historic high among college-aged adults in 2020

The 2020 Monitoring the Future survey found significant increases in marijuana and hallucinogen use among college students, while daily or near-daily marijuana use rose. In contrast, vaping marijuana and nicotine levels plateaued after sharp increases between 2017 and 2019, while alcohol use declined significantly.

Experts make weak recommendation for medical cannabis for chronic pain

A panel of international experts recommends a trial of non-inhaled medical cannabis or cannabinoids for people with moderate to severe chronic pain, where standard care is insufficient. The recommendation is based on systematic reviews of 32 trials and found small improvements in pain intensity but no benefits in emotional functioning.

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.

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.

Pivotal discovery of nanomaterial for LEDs

Researchers have developed a stable perovskite nanocrystal material for LEDs, enabling bright and long-lasting light sources. The new material is made using a metal-organic framework structure, which keeps the nanocrystals separate and prevents degradation.

Eliminating cash could benefit average U.S. families

A new study from the University of Georgia suggests that eliminating physical currency could benefit average Americans as long as certain taxes are lowered too. The research finds that reducing cash transactions would lead to lower tax evasion, allowing governments to reduce other taxes and boost overall well-being.

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.

Helping semiconductors find a cooler way to relax

A study from KAUST found that interface and bandgap engineering can significantly slow down the relaxation of 'hot' electrons in semiconductors, increasing their lifetimes. This innovation has potential applications in solar cells, which could improve efficiency by reducing heat loss.

Researchers use deep learning to predict breast cancer risk

A new study uses deep learning to predict breast cancer risk from mammograms, outperforming clinical risk factors in distinguishing between women who will develop cancer and those who won't. The findings have significant implications for breast cancer management, suggesting a potential role for AI as a second reader for radiologists.

Association between police contact, health, well-being of Black youth

A review of 29 studies with nearly 20,000 participants reveals an association between police exposure and adverse health outcomes for Black youth. The current body of evidence suggests that police contact may be a significant risk factor for poor health and well-being in this demographic.

Under loading ceramics self-heal cracks by forming kink-bands

Researchers have discovered that MAX phases ceramics can form kink-bands under loading, which can effectively stop cracks from growing and even close and heal them. This self-healing mechanism makes MAX phases suitable for a variety of advanced structural applications, including efficient jet engines and safer nuclear reactors.

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.