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Science News Archive November 2020


Page 2 of 43

Mild electrical stimulation with heat shock ameliorates kidney disease

Researchers at Kumamoto University found that mild electrical stimulation with heat shock reduces inflammation and cell death in the kidneys, improving kidney function and preventing proteinuria. The treatment also inhibits apoptosis of kidney cells and activates survival pathways, offering a promising new approach for treating nephrot...

An escape route for seafloor methane

Researchers have found that frozen hydrate formations can facilitate the release of methane gas from deep-sea environments. By creating channels and directing flow, hydrate formation enables the gas to persist in its gaseous form for longer periods.

Warbler coloration shaped by evolution via distinct paths

Two genes involved in plumage coloration have evolved through distinct processes: ASIP, which produces melanin, and BCO2, which produces carotenoid pigments. The researchers found evidence of introgression, where genes from one species were transferred to another, contributing to the warblers' diverse colors.

The surprising grammar of touch

A new study reveals that DeafBlind signers use tactile grammatical structures to convey meaning, suggesting alternative pathways for language development. Researchers analyzed the conventionalization of protactile phonology in US DeafBlind communities, finding consistent patterns in hand articulation and grammar assignment.

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.

New method identifies adaptive mutations in complex evolving populations

Researchers have developed a new method to identify adaptive mutations in complex evolving populations, shedding light on how HIV mutates to escape the immune system. The approach enables the analysis of selection in complex evolutionary systems, which could inform HIV vaccine design and treatment strategies.

Gut microbes: a key to normal sleep

A study published in Scientific Reports found that mice without gut microbes had altered sleep patterns, including increased REM and non-REM sleep episodes. The researchers discovered that gut microbes play a crucial role in producing neurotransmitters like serotonin, which regulate sleep-wake cycles.

Black bear gut biome surprisingly simple, scientists say

Researchers discovered that black bears' gut microbiomes are surprisingly simple and consistent throughout the intestinal tract. This finding has practical applications for wildlife researchers, as a fecal sample can provide insight into the entire gut microbiome.

Mothers' stress may lead to preterm births, faster aging in children

Two UCLA studies reveal that maternal stress prior to conception and during the third trimester can lead to shorter telomeres in children, which is associated with faster aging and increased risk of diseases. The study also found that high maternal stress before pregnancy was linked to shorter pregnancies.

Celestron NexStar 8SE Computerized Telescope

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

Tree rings provide evidence for climate regime shifts

Researchers found unprecedented magnitude of summer heatwaves and droughts in inner East Asia, tightly coupled by anthropogenic climate change. Tree-ring data suggests abrupt shift to hotter and drier climate over the past two decades.

Researchers show risk-averse teens sway peers to make safer choices

A new study published in the Proceedings of the National Academy of Sciences shows that observing safe peers can encourage young people to make healthier decisions. The research team found that substance-naïve teens were more likely to follow their safe peers' choices, leading to safer outcomes.

Unexpected similarity between honey bee and human social life

A team of researchers discovered detailed similarities between the social networks of honey bees and humans, which can be explained by new theoretical modeling. The study reveals individual differences between honey bees, just like humans, and shows that these patterns are universal across species.

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.

Infant language exposure shapes brain circuitry

Research finds that taking turns in 'conversation' with caregivers relates to synchronized activation in language areas, shaping brain function. Weaker connectivity in the bottom-up subnetwork is associated with more conversational turns at home.

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.

Study identifies countries and states with greatest age biases

A study by Michigan State University researchers found that countries like Japan and China show less age bias, while individualistic nations like the US and Germany exhibit greater ageism. States in the US with high age bias also tend to have poorer health outcomes for older adults.

Sustainable regenerated isotropic wood

Researchers have developed a sustainable material called regenerated isotropic wood (RGI-wood) from surface nanocrystallized wood particles. RGI-wood boasts improved mechanical properties, fire retardancy, and electromagnetic shielding capabilities compared to natural wood and petroleum-based plastics.

Is it better to give than receive?

A University of California, Davis study found that children who experienced compassionate love from their mothers were more willing to give up tokens for others. The study also showed that being generous had a calming effect on the children, reinforcing the behavior and promoting prosocial orientation.

Apple iPhone 17 Pro

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

Racial disparities in dementia in US

A nationwide analysis of dementia incidence from 2000 to 2016 reveals significant racial disparities in the US, with Black and Hispanic populations more likely to develop dementia than White Americans. The study suggests that targeted interventions are needed to address these disparities.

Major differences in palliative care provision across the globe

A systematic review of palliative care services worldwide reveals significant variations in length of care provided to patients, with the average global duration being just 18.9 days. The study highlights a stark shortfall in palliative care provision, particularly in low- and middle-income countries.

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.

Astronomical instrument hunts for ancient metal

Researchers have developed a new instrument that can analyze the chemical signatures of distant quasars, providing insight into the origins of metals like iron. By studying these ancient galactic cores, scientists hope to refine their understanding of the early universe and its role in forming the elements necessary for life.

Forearm fractures may signal intimate partner violence

Research suggests that up to one-third of adult women with forearm fractures, particularly non-displaced ulnar fractures, may be victims of intimate partner violence. The study's findings highlight the need for radiologists to screen for intimate partner violence in these cases.

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.

The wily octopus: king of flexibility

Researchers analyzed octopus arm movements, discovering all eight arms can perform diverse movements such as bending, twisting and elongating. This flexibility could inspire the creation of next-generation soft robots with greater agility and sensing capability.

Study explores how telemedicine may ease ER overcrowding

A study found that telemedicine adoption in emergency rooms significantly shortened average length of stay and wait time. This is achieved through efficient information exchange, flexible resource allocation, and improved specialist consultations.

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.

Cancer survivors at higher risk of hospitalization or dying from flu

A recent study found that cancer survivors are more likely to be hospitalized or die from seasonal influenza and have a greater chance of severe COVID-19 outcomes. The researchers suggest that this group should be prioritized for vaccination against both diseases, with the risk persisting for at least 10 years after cancer diagnosis.

Deep learning predicts woman's risk for breast cancer

A new deep learning model predicts breast cancer risk with greater accuracy, leveraging subtle imaging biomarkers in mammograms. The model outperforms traditional risk assessment models, providing more accurate and cost-effective care for patients.

Plastic contaminants harm sea urchins

New research finds that plastics in seawater can cause deformities and developmental problems in sea urchin larvae due to chemical leaching. The study highlights the importance of reducing plastic pollution and finding alternatives to replace harmful additives.

Fluke 87V Industrial Digital Multimeter

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

Computer-aided creativity in robot design

Researchers at MIT have created a system called RoboGrammar that optimizes the shape of robots for traversing different terrain types. The system uses a graph grammar inspired by arthropods to generate hundreds of thousands of potential robot structures, which are then evaluated using a neural network algorithm.

Teaching computers the meaning of sensor names in smart home

The University of the Basque Country has developed a system using natural language processing techniques to represent sensors and human activity in smart environments. By giving sensors meaningful names, the algorithm can transfer knowledge from one environment to another, overcoming a major challenge in smart homes.

New tech can get oxygen, fuel from Mars's salty water

Engineers at Washington University in St. Louis have developed a brine electrolysis system that produces oxygen and hydrogen from salty water, potentially changing the game for Mars missions and resource utilization on Earth.

The 'smell' of coral as an indicator of reef health

Researchers discovered a significant decrease in chemical diversity and quantity of gases released by corals during heat stress experiments, indicating potential impacts on coral resilience. The study highlights the importance of understanding the 'smell' of corals as an indicator of reef health.

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.

COVID-19 Peer Hub combats vaccine avoidance amid pandemic

The COVID-19 Peer Hub program is connecting over 4000 immunisation professionals globally to share ideas and practices to counteract vaccine avoidance. Preliminary findings show that the program has been useful for their work, with 90% of participants reporting positive outcomes.

More than one-third of children with COVID-19 show no symptoms: study

A University of Alberta study found that 35.9% of children diagnosed with COVID-19 showed no symptoms, raising concerns about school safety programs. The researchers also found that common symptoms like cough and runny nose were not reliable indicators of infection in children, emphasizing the need for vigilance and precautions.

NIH announces restructured HIV clinical trials networks

The National Institute of Allergy and Infectious Diseases has established four HIV clinical trials networks to advance research on prevention, vaccines, therapeutics, and maternal/adolescent/pediatric treatments. The networks aim to increase efficiency and effectiveness in NIH's HIV clinical trial operations.

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.

On-chip erbium-doped lithium niobate microcavity laser

Researchers from Shanghai Jiao Tong University have successfully designed and fabricated a microcavity on a lithium niobate chip, achieving integrated light source in the communication band. The innovative technology realizes the potential of lithium niobate thin films for efficient optoelectronic integration.

Fluctuating natural selection of breeding dates

Global study reveals optimum breeding dates vary by species, population, and year, with some females adjusting their dates to buffer natural-selection variability. The findings have implications for understanding animal adaptation and conservation efforts.

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.

Study reveals connection between gut bacteria and vitamin D levels

Researchers at University of California - San Diego found a connection between gut bacteria diversity and active vitamin D levels in older men. The study suggests that microbiome diversity is closely associated with active vitamin D, while the precursor form has no significant link.

Does your pain feel different in English and Spanish?

A recent study by Morgan Gianola and colleagues found that bilingual Hispanic/Latino participants experienced more intense pain when speaking the language of their stronger cultural identity. Physiological responses to pain also played a larger role in determining pain ratings among more Hispanic-oriented bilinguals.

Caribbean coral reefs under siege from aggressive algae

Research reveals an aggressive golden-brown alga is rapidly overgrowing shallow reefs in the Caribbean, taking the place of damaged coral and exacerbating ecosystem damage. The invasive algal crusts harbor a distinct microbial community that deters coral settlement.

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.

Magnetic vortices come full circle

Researchers at the Paul Scherrer Institute report the discovery of three-dimensional magnetic 'vortex rings' within a tiny pillar made of gadolinium cobalt. These structures, consisting of doughnut-shaped vortices, provide fundamental insight into intricate nanoscale structures inside bulk magnets.

Southwest Virginia residents leading region's cancer prevention efforts

Residents of Southwest Virginia have set priorities for cancer prevention and early detection, focusing on tobacco cessation, HPV vaccination, lung and colorectal cancer screenings. The region's partnership with the UVA Cancer Center Without Walls aims to improve health outcomes through a collaborative effort.