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Science News Archive 2021


Page 224 of 510

Climate change will increase temperature-attributable mortality

A new study predicts that global warming will lead to a sharp increase in heat-related deaths, outstripping the decline in cold-related mortality, unless strong mitigation measures are taken immediately. The Mediterranean Basin is expected to be disproportionately affected due to its greater vulnerability to heat.

Banishing cigarettes into history's ashcan

A new grant is expanding a Texas tobacco program to target substance use patients in rural communities. The program aims to reduce smoking rates among individuals with psychiatric disorders and substance dependencies.

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.

UK public view COVID-19 as a threat because of lockdowns, new study suggests

A new study from Cardiff University found that the UK public views COVID-19 as a threat primarily because of government-imposed lockdowns. People who judged the risk based on this fact were more likely to support lockdown measures. Once restrictions are lifted, public perception may shift, and the threat may be downplayed.

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.

Digital pens provide new insight into cognitive testing results

Researchers used digital pens to capture participants' performance during cognitive tests, identifying patterns that correlate with physical function. They found groups of participants who had similar patterns of writing and thinking times, which were linked to poorer physical function or memory/executive function scores.

Colorectal cancer risk may increase with lower exposure to UVB light

Research found a significant correlation between lower UVB light exposure and higher rates of colorectal cancer across all age groups. Vitamin D deficiency may play a role in this association, particularly for people over 45, who may reduce their risk by correcting deficiencies in vitamin D.

ESC Congress 2021 - Press Programme announced

The European Society of Cardiology has announced the ESC Congress 2021 press programme, featuring live hot line sessions and embargoed press conferences. The programme will showcase new data on heart failure, valvular heart disease, cardiac arrest, hypertension, and atrial fibrillation.

Apple iPhone 17 Pro

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

Acid sensor discovered in plants

Scientists from Würzburg, Germany, have identified a protein in the plant Arabidopsis thaliana that detects and translates acidic conditions into an electrical signal. This discovery could lead to more tolerant crops for waterlogging conditions.

What should I eat to avoid heart disease?

Plant-based diets are recommended for healthy adults, with low consumption of salt and animal products, and increased intake of whole grains, fruits, vegetables, legumes, and nuts. Fermented dairy products like yogurt and cheese can also have a protective effect on cardiovascular health.

New game-changing zeolite catalysts synthesized

Researchers at Pohang University of Science & Technology (POSTECH) have synthesized two new thermally stable zeolites with improved catalytic activity. PST-32 and PST-2 exhibit higher activity than zeolite Y in producing ethylene and propylene, key raw materials for chemical products.

The brain's wiring technicians

A new study reveals that microglia, the brain's resident immune cells, play a crucial role in regulating brain wiring by sculpting inhibitory neurons. The research showed that microglia interact with GABA-emitting inhibitory synapses through direct physical contact, a process enabled by advanced imaging techniques.

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.

Making sense of antisense gene silencing

A team at Tokyo Medical and Dental University identified four proteins that bind to Toc-HDOs, regulating gene silencing. The discovery provides a novel biological mechanism for Toc-HDOs, increasing understanding of how they silence genes.

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.

Falling in line: The simple design and control of MOF electric flow

A team from Osaka Prefecture University has developed a method to design and control the path of electron flow in a polycrystalline material, enabling high conductivity in a controllable direction. This breakthrough paves the way for the creation of next-generation thin-film smart devices.

Melanoma registry results shine light on rare pediatric cancer

Researchers analyzed molecular analysis data from a pediatric melanoma registry, identifying diverse subgroups and their characteristics. The study found that spitzoid melanomas often have gene fusions and benign clinical courses, while conventional melanoma patients with advanced disease had poorer outcomes.

Secret to weathering climate change lies at our feet

A new study finds that the microbiome of grasses plays a crucial role in their ability to withstand drought. Healthy bacteria in grasses can provide nutrients, protect against pathogens and UV radiation, and help manage drought. However, under severe drought conditions, the bacterial communities become less diverse and more harmful.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Inherited memories of a chromosomal site

Researchers at UNIGE found that chromosomal site location is transmitted through an epigenetic process, allowing offspring to inherit correct positions even without gene information. This epigenetic memory only lasts for one generation and affects the survival of mutant worms.

A new look at color displays

Researchers at Linköping University developed a method to create structural colours for use in reflective colour displays, enabling manufacturing of thin and lightweight displays with high energy-efficiency. The new method uses electrically conducting plastics and can produce all colours in the visible spectrum.

Interleukin-6 antagonists improve outcomes in hospitalised COVID-19 patients

A new analysis of 27 randomised trials involving nearly 11,000 patients found that interleukin-6 antagonists reduce the risk of death and mechanical ventilation in hospitalised COVID-19 patients. Administering one of these drugs with corticosteroids reduces the risk of death by 17% compared to using corticosteroids alone.

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.

Do heart medications affect COVID-19 outcomes?

Researchers analyzed all relevant COVID-19 studies to determine if cardiovascular drugs affect disease severity, hospitalizations, and deaths. The study found that patients with COVID-19 should continue taking their prescribed cardiovascular medications.

Why does Mercury have a big iron core?

Scientists found that Mercury's large iron core is linked to the early sun's strong magnetic field, which pulled metal grains inward. This discovery sheds light on the formation of rocky planets' cores and their elemental distribution.

Sharp size reduction in dinosaurs that changed diet to termites

Alvarezsaur dinosaurs reduced in size from turkey-sized to chicken-sized around 95 million years ago when they transitioned to an ant-based diet. Their bodies also underwent significant changes, including modified claws and a shift from flesh-eating to termite consumption.

New cancer findings can give wider access to immunotherapy

Researchers discover pharmacological activation of p53 triggers viral mimicry response, abolishing tumor immune evasion and promoting anti-tumor immunity. The findings have potential for developing new combination therapies that can increase cancer patient access to immunotherapy.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

How an unfolding protein can induce programmed cell death

Scientists at the University of Groningen discovered how a folding protein cytochrome c interacts with mitochondria, leading to programmed cell death. The study found that cytochrome c is partly unfolded during this process, allowing for the regulation of cell death through drug development.

Non-stop signal achieved in high-power Er3+-doped mid-infrared lasers

Researchers at the Hefei Institutes of Physical Science have developed high-power Er3+-doped mid-infrared lasers with peak powers over 0.33 MW and repetition rates up to 150 Hz. The lasers achieved quasi-continuous signals, making them promising candidates for dental ablation surgery and optical parametric oscillator applications.

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.

Story tips: Powered by nature, get on the bus, accelerating methane and more

Scientists at ORNL developed a modular design for 3D printing power poles from bioderived materials, enabling quick restoration of electricity after natural disasters. Additionally, they demonstrated wireless charging technology on an autonomous electric vehicle, advancing the transportation industry towards a decarbonized future.

Castration delays DNA aging

Researchers found that castration of male sheep leads to delayed DNA aging compared to intact males, with epigenetic clocks and DNA methylation patterns differing between the two groups. The study's findings also suggest a link between castration, male hormones, and sex-specific differences in DNA aging.

The bitumen puzzle

Researchers used AFM-IR, ToF-SIMS, and fluorescence microscopy to study bitumen surface composition and structure. The study found that the surface is heterogeneous, with individual molecular assemblies distributed in a specific pattern.

Fluke 87V Industrial Digital Multimeter

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

Study reveals source of remarkable memory of "superagers"

A group of older adults called 'superagers' have been found to maintain the same level of neural differentiation as young adults, enabling them to create distinct representations of visual information and accurately recall image-word pairs. This study used fMRI to understand how superagers learn and remember new information.

Long-term urban emissions data show a decrease in high-income countries

A new study using EDGAR database shows that urbanisation has led to a significant reduction in greenhouse gas and air pollutant emissions in high-income countries. The majority of global emissions occur in urban areas, with some exceptions like NH3 emissions, which are mostly driven by agricultural activities.

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.

Perceptions of counterfeits among luxury goods differ across cultures

A study found that counterfeit dominance negatively impacts Anglo-American consumers' perceptions of authentic luxury fashion brands, while having little effect on Asian consumers. This is due to cultural differences in social-adjustive attitudes, with Anglo-Americans relying more on outgroups and Asians on ingroups.

Rethinking southeast Asia's energy plans

A study published in Nature Communications suggests that Southeast Asia can decouple electricity supply and environmental protection by embracing renewable technologies like solar energy. The research reveals that only 82% of planned dams are necessary, and halting construction would have minimal impact on electricity costs.

Why men take more risks than women

Researchers discovered a link between theta rhythm of the brain and gender differences in attitudes towards risk. The study found that men showed a higher risk appetite than women, with stronger frontal theta asymmetry and oscillations in the anterior cingulate cortex correlating with risk-taking behavior.

Fighting COVID with COVID

Researchers at Penn State designed a synthetic defective SARS-CoV-2 virus that interferes with the real virus's growth, potentially causing its extinction. The therapeutic may be used as a self-promoting antiviral treatment for COVID-19.

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.

Dignity support at end of life

Researchers interviewed people receiving palliative care about losing independence with intimate hygiene, revealing the importance of two-way communication and empowering individuals to influence their care. The study aims to raise awareness among health professionals about providing dignified support.

AID/APOBECs among important factors in body's defence against SARS-CoV-2

The study found that APOBEC4 is highly expressed in cells and tissues attacked by SARS-CoV-2, such as epithelial cells in the lungs and gastrointestinal tract. This knowledge could lead to characterizing antiviral cell status attributed to AID/APOBECs specific to patients and correlating it with organ damage and COVID-19 severity.

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.

Loss of biodiversity in streams threatens vital biological process

The study found that streams with high detritivore diversity have higher rates of decomposition, but also discovered that the loss of these organisms can slow down this process. The researchers concluded that if detritivores continue to decline, ecosystems will struggle to sustain life due to reduced nutrient recycling.