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Science News Archive 2021 - Page 322


Page 322 of 510

UBCO cardiovascular researcher urges women to listen to their hearts

A UBC Okanagan researcher warns that ignoring Atrial Fibrillation (AF) symptoms can have severe consequences for women. Despite being the most commonly diagnosed arrhythmia, many people do not understand its pre-diagnosis symptoms and tend to ignore them.

SourceUniversity of British Columbia Okanagan campus·JournalWestern Journal of Nursing Research·DateMay 5, 2021

Fundamental regulation mechanism of proteins discovered

Researchers at Göttingen University have identified a completely novel on/off switch in proteins that controls their structure and function. The discovery of this lysine-cysteine redox switch has wide-ranging implications for protein design, medical applications, and drug development.

SourceUniversity of Göttingen·JournalNature·DateMay 5, 2021
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.

Light pollution at night affects the calls of migratory birds

Research published in Ibis found that call rates of migratory birds were significantly higher in urban areas compared to villages, indicating a impact of artificial light on bird migration. The study suggests that improved management of urban lighting is necessary to mitigate this effect.

SourceWiley·JournalIbis·DateMay 5, 2021
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.

Biophotonics in photomedicine

Researchers are bridging gaps between scientists from different fields to merge knowledge and create innovated, reliable products. Biophotonic innovations are expected to transform healthcare for the next few decades.

SourceCompuscript Ltd·JournalBIO Integration·DateMay 5, 2021

From 4500 possibilities, one compound emerges as promising treatment for PAH

A team of scientists at Stanford University and Cincinnati Children's have found a potentially effective compound, AG1296, to treat pulmonary arterial hypertension (PAH). The compound was identified using human, PAH-specific stem cells as a drug screening platform.

SourceCincinnati Children's Hospital Medical Center·JournalScience Translational Medicine·DateMay 5, 2021
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.

Why robots need reflexes - interview

The study used a slap on the hand as a test subject to examine reflexes and their coordination. The researchers found that humans anticipate pain when reacting to potential harm, which could be applied to robot development for improved safety. Robots can learn from human reflex systems to develop intelligent protective mechanisms.

SourceTechnical University of Munich (TUM)·JournalScientific Reports·DateMay 5, 2021

International group of experts publish consensus definition of 'postbiotics'

A consensus definition clarifies the characteristics of postbiotics, a category of non-living microorganisms with potential health benefits. The definition distinguishes postbiotics from probiotics and outlines their composition and application.

SourceInternational Scientific Association for Probiotics and Prebiotics·JournalNature Reviews Gastroenterology & Hepatology·DateMay 5, 2021

Scroll'n'roll -- nanomaterials towards effective photocatalytic pollution treatment

Researchers develop novel nanocomposite with improved detoxification efficiency against various harmful chemicals, including organic compounds and microbes. The composite combines the high photoreactivity of titanium oxide nanotubes with the low cytotoxicity of graphene.

SourceInstitute of Physical Chemistry of the Polish Academy of Sciences·JournalChemical Engineering Journal·DateMay 5, 2021
Apple iPhone 17 Pro

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

How accurate are virtual assessments of cognitive function?

A study analyzed 121 published studies on virtual and in-person cognitive assessments for diagnosing dementia or mild cognitive impairment. The analysis found good reliability and accuracy of virtual assessments for diagnosing dementia, but identified barriers to implementing cognitive assessments for older adults.

SourceWiley·JournalJournal of the American Geriatrics Society·DateMay 5, 2021

Thin, large-area device converts infrared light into images

A new infrared imager developed by researchers at the University of California San Diego converts shortwave infrared light into visible images using organic semiconductors. The device is compact, simple, and provides better image resolution than existing systems.

SourceUniversity of California - San Diego·JournalAdvanced Functional Materials·DateMay 5, 2021

Tracking down the tiniest of forces: How T cells detect invaders

Researchers observed T cells exerting a tiny force of up to 5 pico-newtons when recognizing antigens, allowing them to determine if the interaction is with the desired antigen. This study provides insights into how T cells function at the molecular level and could lead to significant advances in medicine.

SourceVienna University of Technology·JournalNature Communications·DateMay 5, 2021
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.

Strange isotopes: Scientists explain a methane isotope paradox of the seafloor

Researchers from Max Planck Institute for Marine Microbiology and Weizmann Institute of Science explain how methane carbon isotopes behave differently than expected in the deep sea. They found that sulfate availability governs the isotope effects in anaerobic methane oxidation, leading to 13C-depleted methane.

SourceMax Planck Institute for Marine Microbiology·JournalScience Advances·DateMay 5, 2021

Your longevity after a heart attack may depend on where you live

A recent study published in the American College of Cardiology's annual scientific session found that black patients from disadvantaged neighborhoods are more likely to die after a heart attack. The study analyzed data from nearly 32,000 patients with health insurance treated for a heart attack between 2006-2016.

SourceAmerican College of Cardiology·DateMay 5, 2021

New method identifies tau aggregates occurring in healthy body structures

Researchers developed a method to visualize small tau protein aggregates forming under normal physiology, distinguishing them from pathological aggregates. The new approach uses high-resolution microscopy and machine learning to identify healthy tau aggregates, offering potential for new treatments for neurological diseases.

SourceUniversity of Pennsylvania School of Medicine·JournalProceedings of the National Academy of Sciences·DateMay 5, 2021
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.

Only half of heart disease patients get a flu shot

A new study finds that only half of adults with cardiovascular disease report getting a flu shot annually, highlighting the need for better vaccination efforts. Patients with certain conditions and those who attend college are more likely to receive a flu vaccine.

SourceAmerican College of Cardiology·DateMay 5, 2021

Want to treat heart attacks faster? There's an app for that

A new phone-based app facilitated more efficient hospital intakes for patients with STEMI, leading to faster treatment times and reduced damage. The average time between EMS arrival and PCI was about 11 minutes shorter among cases where the app was used.

SourceAmerican College of Cardiology·DateMay 5, 2021

Is PTSD overdiagnosed?

Experts argue that PTSD is often conflated with normal responses to stress, leading to increased pressure on services. However, another study suggests that PTSD may be underdiagnosed, with only a small proportion of those seeking help receiving a diagnosis.

SourceBMJ Group·JournalThe BMJ·DateMay 5, 2021
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.

Tübingen study raises hope for effective malaria vaccine

A live vaccine consisting of infectious Plasmodium falciparum parasites has been shown to be highly effective in preventing malaria, with only three immunizations required. The vaccine induces a strong immune response that can recognize both the injected parasites and subsequent liver stage antigens.

SourceGerman Center for Infection Research·JournalNature Communications·DateMay 5, 2021

International study links brain thinning to psychosis

An international team found a link between subtle differences in adolescent brain shape and psychosis development, with those at high risk showing widespread lower cortical thickness. This discovery could contribute to earlier detection and treatment of psychosis.

SourceUniversity of Pittsburgh·JournalJAMA Psychiatry·DateMay 5, 2021

Microalgae biofuels: Changing carbohydrates into lipids

Researchers developed a technique to redirect carbon resources from carbohydrates to lipids in microalgae, enabling large-scale lipid production even under light/dark conditions. This method could contribute to the implementation of biofuel production using microalgae.

SourceKobe University·JournalCommunications Biology·DateMay 5, 2021

Antarctica remains the wild card for sea-level rise estimates through 2100

A collaborative research project published in Nature offers the most complete sea-level rise projections created to date, with Antarctica remaining a wild card. Limiting global warming to 1.5 degrees C above pre-industrial temperatures could cut projected 21st century sea-level rise from land ice in half.

SourceDOE/Los Alamos National Laboratory·JournalNature·DateMay 5, 2021
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.

How a Yale scientist and REM star named an ant for a Warhol 'Superstar'

A Yale scientist, Douglas Booher, named an ant after R.E.M.'s Michael Stipe's friend Jeremy Ayers, a Warhol 'Superstar'. The ant was discovered in Ecuador and had unique features that set it apart from other species. Booher confirmed the discovery with German entomologist Phillip Hoenle and was joined by Stipe to name the new species.

SourceYale University·JournalZooKeys·DateMay 5, 2021

New Monarch butterfly breeding pattern inspires hope

A recent study found large populations of monarchs breeding in San Francisco and Los Angeles, suggesting an adaptation to the changing climate. The researchers believe that this new breeding pattern may help the population persist in the western US, despite a decline in numbers.

SourceWashington State University·JournalAnimal Migration·DateMay 5, 2021
Celestron NexStar 8SE Computerized Telescope

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

Nanoscope presents novel gene delivery and electrophysiology platforms at ARVO

Nanoscope Technologies is featuring groundbreaking research on optical gene delivery and functional characterization platform technologies for treating retinal diseases. The company's lead product, vMCO-010, delivers light-sensitive Multi-Characteristics Opsin into retinal cells to restore vision in patients with degeneration.

SourceNanoscope Technologies·DateMay 5, 2021

High school student's study models droplet spread

A high school student's study models the spread of macroscopic droplets from a simulated cough with and without mask use. The findings suggest that barriers can play a crucial role in controlling droplet spread, especially when masks cannot be worn.

SourcePLOS·JournalPLOS ONE·DateMay 5, 2021

When algorithms go bad: How consumers respond

A new study finds that consumers penalize brands less when an algorithm causes a brand harm crisis, as perceived agency and responsibility for the error mediate their responses. Marketers should deploy and monitor algorithms with heightened vigilance and provide technological supervision to reduce negative consumer responses.

SourceAmerican Marketing Association·JournalJournal of Marketing·DateMay 5, 2021
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.

Mysterious hydrogen-free supernova sheds light on stars' violent death throes

Astronomers have discovered a mysterious yellow star that exploded without the typical hydrogen layer, revealing new insights into the violent death throes of massive stars. The discovery challenges current understanding of stellar evolution and suggests that these stars may undergo catastrophic eruptions before exploding.

SourceRoyal Astronomical Society·JournalMonthly Notices of the Royal Astronomical Society·DateMay 5, 2021

A new pelomedusoid turtle from the Late Cretaceous of Madagascar discovered

A new species of pelomedusoid turtle, Sahonachelys mailakavava, is described from a nearly complete fossil in Madagascar. The turtle has an unusually flattened skull and enlarged tongue bones adapted for suction feeding, suggesting it fed on small-bodied prey like insect larvae and tadpoles.

SourceDenver Museum of Nature & Science·JournalRoyal Society Open Science·DateMay 5, 2021

Does eating a Mediterranean diet protect against memory loss and dementia?

A new study suggests that consuming a Mediterranean diet rich in fish, vegetables, and olive oil can help prevent protein build-up and brain shrinkage associated with Alzheimer's disease. The research found that individuals who followed the Mediterranean diet more closely had lower levels of amyloid and tau biomarkers and improved cogn...

SourceAmerican Academy of Neurology·JournalNeurology·DateMay 5, 2021

New, almost non-destructive archaeogenetic sampling method developed

A new, non-destructive archaeogenetic sampling method has been developed to extract genetic material from archaeological human remains without causing significant damage. This allows for the preservation of artefacts and enables further analysis through stable isotope and radiocarbon studies.

SourceEötvös Loránd University·JournalGenome Research·DateMay 5, 2021
Fluke 87V Industrial Digital Multimeter

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

New ultrasound technique detects fetal circulation problems in placenta

A new ultrasound technique has been developed to detect fetal circulation problems in the placenta, allowing for earlier diagnosis and potential prevention of harm to the fetus. The study found that 16 women out of 40 tested had placentas with fetal circulation problems.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalEBioMedicine·DateMay 5, 2021

Fast changing smells can teach mice about space

Researchers found that mice can detect rapid fluctuations in odour plumes and use this information to distinguish between sources. This suggests the mammalian olfactory system plays a key role in processing awareness of physical space and surroundings, guiding survival decisions.

SourceThe Francis Crick Institute·JournalNature·DateMay 5, 2021

A high-tech textile to stay comfortable outdoors

Researchers developed a reversible textile that traps warmth in cold temperatures and reflects it in hot weather, generating small amounts of electricity. The textile's ability to harness temperature gradients makes it suitable for various technologies, such as wearable electronics and camouflage.

SourceAmerican Chemical Society·JournalNano Letters·DateMay 5, 2021

From yeast to hypha: How Candida albicans makes the switch

Researchers discovered that the Sir2 protein facilitates Candida albicans' transition from yeast to hypha, which is essential for infection. The protein's removal resulted in fewer true hyphae being formed, and its function may impact the pathogen's virulence.

SourceUniversity at Buffalo·JournalmSphere·DateMay 5, 2021
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.

New map reveals genes that control the skeleton

Researchers have mapped the genetic profile of osteocytes, a type of bone cell that controls skeleton growth and decay. The study identifies novel genes associated with rare and common skeletal diseases, paving the way for new treatments and improved diagnosis.

SourceGarvan Institute of Medical Research·JournalNature Communications·DateMay 5, 2021

Black and Latinx surgeons continue to hit glass ceiling in America

A recent study found that Black and Latinx surgeons are underrepresented in university leadership positions, with only a few individuals holding full professorships or department chairs. The study suggests that sponsorship, mentorship, allyship, and representation can help promote diversity and address these disparities.

SourceVirginia Commonwealth University·JournalJAMA Surgery·DateMay 5, 2021

New bonobo genome fine tunes great ape evolution studies

A new bonobo genome assembly has been created with high accuracy, allowing for precise comparisons to other great apes and humans. The study reveals over 5,500 structural variants that distinguish the bonobo and chimpanzee lineages, providing insights into gene evolution and species divergence.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalNature·DateMay 5, 2021
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.

Now available with a negative charge too

Researchers have introduced a new anionic organoborane compound, borafluorene, which is a system of three carbon rings joined at the edges with a boron atom. The team used carbenes to stabilize the elusive anions and demonstrated their potential as chemical building blocks.

SourceWiley·JournalAngewandte Chemie International Edition·DateMay 5, 2021
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.