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Science News Archive 2021


Page 132 of 510

UTSW scientists reveal how vitamin a enters immune cells in the gut

Researchers at UT Southwestern Medical Center have discovered that LRP1 is the vehicle by which retinol enters myeloid cells, suggesting a potential target for treating inflammatory diseases such as Crohn's disease. The study also found that inhibiting this process could boost immune activity, making oral vaccines more effective.

Apple iPhone 17 Pro

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

UCF researchers identify food products that could reduce COVID transmission

Researchers at the University of Central Florida have identified food products that can alter a person's saliva to reduce the transmission potential of airborne pathogens. By adding ingredients like ginger, cornstarch, and xanthan gum to food products, people may be able to make masks more effective or even reduce their need for them.

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.

AI system identifies buildings damaged by wildfire

Researchers developed DamageMap, an AI system that uses machine learning to identify building damage from post-wildfire images, achieving 92% accuracy. The system can analyze satellite and aerial photos to pinpoint damaged buildings, providing immediate results for first responders and fire victims.

PFAS exposure can affect women’s ability to breastfeed

A recent study found that women with higher levels of PFAS in their system are 20% more likely to stop breastfeeding early. This is significant because almost every human on the planet is exposed to these endocrine-disrupting chemicals, which can have detrimental effects on reproductive health.

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.

Long COVID symptoms in children rarely persist beyond 12 weeks

A recent review of international studies found that persistent symptoms after COVID-19 infection were most common among children with pre-existing health conditions. However, symptoms rarely lasted beyond 12 weeks in young people, suggesting long COVID may be less concerning than in adults.

Researchers improve optical tissue clearing method to diagnose cancer

A Japanese research team has improved an optical tissue clearing method to diagnose cancer, enabling 3D visualization of tumor tissues in just a week. The new approach uses zwitterionic hydrogels to rapidly remove fats from tissues, reducing processing time and improving diagnosis accuracy.

How climate change could impact algae in the global ocean

A new study predicts that climate change will cause a sudden shift in algae distribution pole-wards over the next 100 years, affecting marine ecosystems. The UK is among the areas most likely to be severely impacted due to its warm waters, with changes potentially occurring before previously thought.

Ancient bone tools found in Moroccan cave were used to work leather, fur

Researchers found 62 bone tools at Contrebandiers Cave, Morocco, with shaping and use marks indicating they were used for scraping hides to make leather and furs. The discovery highlights the pan-African emergence of complex culture and provides evidence for the earliest clothing in the archaeological record.

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.

Mistrust of government tops reasons for vaccine hesitancy

An Australian study found that trust in government approval of safe COVID-19 vaccines is the primary driver of vaccine uptake. Perceived effectiveness in protecting others was also a significant factor. The study revealed lower rates of vaccine uptake among younger, unemployed individuals and those with lower altruistic beliefs.

Working Smarter: Leveraging Machine Learning to Optimize CO2 Adsorption

A recent study employs machine learning to guide the design of novel materials for CO2 capture, identifying elemental composition and textural properties as key factors. The research team's findings suggest prioritizing adsorption parameters and surface area optimization for high CO2 adsorption efficiency.

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.

Grow and eat your own vaccines?

Researchers aim to produce enough mRNA vaccines from spinach and lettuce to rival traditional shots. They're exploring chloroplasts as a key to making plant-based mRNA vaccines that can be stored at room temperature.

Meta Quest 3 512GB

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

Climatically driven landscape evolution during warm periods

A comprehensive investigation of a lake landscape in southern Wendland reveals that strong rises and falls in water levels were caused by climate changes, soil erosion, and vegetation. The study provides valuable insights into how landscapes respond to climatic shifts and offers clues for predicting future changes.

Advanced model and field data add up to better cover crop management

A new University of Illinois study integrates field data and advanced mathematical modeling to understand how cover crops affect soil water, nitrogen, and oxygen dynamics. The research finds that proper management of cover crops can balance their benefits with cash crop yields, while ignoring the impacts without optimization.

A new species of otter discovered in Germany

Researchers have discovered a new species of otter in Germany that dates back to 11.4 million years ago. The Vishnu otter genus was previously known only from Asia and Africa, but this finding suggests they also occurred in Europe.

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.

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.

Pyrrole chemistry: Good things come in threes

Researchers have successfully formed rings made of three pyrroles for the first time, which could be used to produce compounds with unique properties. The discovery explains why tripyrrolic macrocycles were not observed before due to strain issues.

A blue food revolution

Global demand for aquatic foods is set to double by 2050, with aquaculture production expected to meet the majority of this growth. This 'blue food revolution' has the potential to tackle malnutrition, lower environmental footprints and provide livelihoods, particularly in regions where people rely heavily on these systems.

Studies biased toward white genomes still predict cancer risk in diverse groups

A new study found that genome-wide association studies (GWAS) results from people with European ancestry can still be applied to predict breast and prostate cancer risk in diverse groups. However, the findings emphasize the need for more diverse participants in GWAS analyses to realize the full potential of polygenic risk scores.

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.

Selectively staining neutrophils in white blood cells

A new fluorescent probe, NeutropG, selectively stains healthy neutrophils in blood samples, allowing for accurate quantification. The Metabolism-Oriented Live-cell Distinction (MOLD) method enables the selective identification of active neutrophils without affecting their native functions.

Fluke 87V Industrial Digital Multimeter

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

Link between inflammation and pancreatic cancer development uncovered

Pancreatic cells display adaptive response to repeated inflammatory episodes, reprogramming gene expression and epigenetic regulation that cooperates with mutant KRAS to promote tumor formation. Inflammation drives long-term changes in epithelial cells that select for cancer-causing mutations.

Missing the reef for the corals

A new study reveals unexpected trends in coral reef condition and its environment, contrary to prevailing scientific expectations. The authors found that local threats such as pollution do not lead to a decrease in coral cover, and biogeophysical forcings poorly predict ecosystem-scale coral reef condition.

Study reveals gophers’ biofluorescence

Researchers at the University of Georgia have found that pocket gophers are biofluorescent, emitting a colored glow when illuminated with ultraviolet light. The phenomenon has been documented in flying squirrels and opossums before, but this is the first time it has been observed in pocket gophers.

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.

A simple way to get complex semiconductors to assemble themselves

Researchers developed a simple and fast way to create complex semiconductors by growing 2D perovskites precisely layered with other materials, resulting in crystals with wide electronic properties. The assembly takes place in vials where chemical ingredients tumble around in water, with barbell-shaped molecules directing the action.

Research reveals drug targets for memory enhancement

A Bristol-led research team has identified specific receptors for the neurotransmitter acetylcholine that re-route information flowing through memory circuits in the hippocampus. The discovery holds promise for developing new, safer treatments for conditions like Alzheimer's disease and schizophrenia.

Exploring the role of social relationships in Hispanic health

Researchers study social support networks and health outcomes of over 670 Hispanic and non-Hispanic lung cancer patients to understand the Hispanic Health Paradox. The study aims to identify cultural differences in social interactions that influence health outcomes.

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.

Reforestation could help save coral reefs from catastrophe

A University of Queensland-led study found that nearly 85% of coastal areas leach sediment to coral reefs, a major threat. Reforestation can help by reducing sediment transport, increasing light levels for coral growth and reproduction. Land restoration is crucial for building coral resilience.

Manic episodes in bipolar disorder linked to abnormal brain changes

Patients with bipolar disorder experiencing manic episodes show abnormal brain changes, including faster cortical thinning, compared to those without episodes. The study also found associations between brain ventricle enlargement and accelerated cognitive decline in bipolar patients.

For some peptides, killing bacteria an inside job

Researchers have found that certain peptides can target the internal mechanisms of bacteria, making them effective against antibiotic-resistant microbes. The study suggests that these peptides could be used to design therapeutic agents that succeed where standard antibiotics fail.

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.

Can fruit fly research help improve survival of cancer patients?

Researchers at UC Berkeley found that tumors release chemicals compromising the blood-brain barrier, leading to inflammation and tissue wasting. Blocking these chemicals could extend life span and improve health for cancer patients, reducing the need for toxic drugs.

Study: As a population gets older, automation accelerates

Researchers found that aging workforces, characterized by a higher ratio of workers 56 and older to those ages 21-55, are associated with increased robot deployment in 60 countries. This study suggests that automation adoption is partly driven by labor shortages, particularly middle-aged labor needed for blue-collar work.