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Science News Archive 2021


Page 309 of 510

Low levels of a simple sugar -- A new biomarker for severe MS?

Researchers have discovered that low levels of N-acetylglucosamine are associated with progressive MS, clinical disability and neurodegeneration. The simple sugar may serve as a biomarker and promote myelin repair, offering potential new avenues for treating the disease.

Bears that mark more trees may be more successful in mating

A University of Alberta study finds that brown bears who rub against trees more often tend to have more offspring and more mates. The research team analyzed bear hair samples from over 900 rub sites and found a correlation between tree-grating behavior and reproductive success.

Apple iPhone 17 Pro

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

Earthworms could help reduce antibiotic resistance genes in soil

Researchers found that earthworm guts have lower numbers and relative abundances of antibiotic-resistance genes compared to surrounding soils. The earthworms' unique gut environment may destroy ARGs or outcompete bacteria hosting them, suggesting a potential role in natural bioremediation.

Fighting food insecurity by building better beans

Michigan State University scientists are breeding heat-resistant tepary beans to address global food security concerns. By leveraging the genetics of the tepary bean, researchers aim to create beans that can thrive in challenging climates and provide essential nutrients for vulnerable populations.

20 days later -- The short story about muscles regeneration

Researchers have developed biofabricated muscle substitutes that can restore significantly injured skeletal muscles with unprecedented efficiency. These biocompatible gel-like structures mimic the native muscle structure and can be created using 3D bioprinting, allowing for faster and more effective recovery from severe muscle mass loss.

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.

Petting therapy dogs enhances thinking skills of stressed college students

Research at Washington State University found that petting therapy dogs enhanced executive functioning in stressed-out college students, particularly those at risk of mental health issues. The study, published in AERA Open, demonstrated long-lasting cognitive benefits up to six weeks after program completion.

Ancestors may have created 'iconic' sounds as bridge to first languages

Researchers found that people from diverse linguistic backgrounds could understand novel vocalizations for 30 different meanings, including animate and inanimate entities, actions, properties, and quantifiers. The study suggests iconic vocalisations may have played a crucial role in the creation of original spoken words.

Genetic risk of heart disease may be due to low Omega 3-linked biomarker

A new study has identified a link between a genetic variation called omentin and cardiometabolic health, specifically among Asian Indian participants. The researchers found that the role of adiponectin, an obesity-related biomarker, was linked to cardiovascular disease markers independent of common and central obesity.

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.

Better integrated circuits with glide symmetry

Researchers applied glide symmetry to dual-strip SSPP TLs, achieving flexible control of modal fields and significant suppression of coupling. This design enables compact circuits with improved signal integrity and low crosstalk.

Locomotion Vault will help guide innovations in virtual reality locomotion

The Locomotion Vault project provides a central, freely-available resource to analyze various virtual reality locomotion techniques. Researchers and developers can use the interactive database to inform decisions about the best approach for their application, while also identifying gaps where future investigation might be necessary.

Research reveals new approach to understanding our wellbeing

Research by Swansea University highlights the importance of taking a wider approach to wellbeing influenced by issues like inequality and climate change. The study presents a transdisciplinary framework to understand and improve wellbeing, emphasizing the need for focused efforts to tackle societal challenges.

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.

Research news tip sheet: Story ideas from Johns Hopkins Medicine

A recent case study by Johns Hopkins Medicine researchers provides evidence that medical marijuana may be an effective treatment for patients with chronic itch. The team found that THC, a compound in cannabis, attaches to brain receptors and reduces inflammation, leading to a reduction in skin sensations such as itchiness.

Salmonella contamination via strawberry roots not a dietary risk factor

Researchers found that Salmonella bacteria cannot penetrate through strawberry roots and reach the fruit, making it an unlikely dietary risk factor. Effective methods for preventing surface contamination, such as drip irrigation and proper handling during harvesting, can further reduce the risk of contamination.

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.

New method for producing synthetic DNA

The new method streamlines DNA production by automating the synthesis of phosphoramidites, eliminating manual labor and storage issues. This breakthrough has significant implications for disease identification, drug manufacturing, and other medical applications.

How imperfect memory causes poor choices

A new study reveals that people often forget their preferred options and choose less-preferred ones due to imperfect memories. Researchers used fMRI scans and decision-making experiments to understand how memory impacts decisions.

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.

New ebolavirus vaccine design seeks to drive stronger antibody defense

Researchers at Scripps Research have unveiled an innovative Ebola virus vaccine design that stimulates a better protective immune response. The new approach involves tethering copies of the Ebola virus outer spike protein to a spherical carrier particle, resulting in a more stable and realistic-looking virus particle.

Asian scientists grapple with belonging

Racist attacks against Asian Americans have increased notably since the COVID-19 pandemic, forcing many to reevaluate their careers in the US. The Biden administration hopes to revise immigration policies and retain international scientists, but awareness and tolerance remain uncertain for the Asian community.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Violinmaking meets artificial intelligence

Politecnico di Milano researchers used neural networks to predict the acoustic behavior of violin plates based on geometric parameters. The results showed an accuracy close to 98%, enabling luthiers to design and build violins with optimal sound quality, exploring new designs and materials.

How AIs ask for personal information is important for gaining user trust

Researchers discovered that users respond differently to AI systems asking for personal info when offered help versus asking for help themselves. Help-seeking AIs gained more trust and increased intentions to share personal info. The study suggests designing AIs to increase user awareness of personal info importance.

Eliminating bias from healthcare AI critical to improve health equity

The Regenstrief Institute emphasizes the importance of algorithmic performance in healthcare, highlighting the need for systematic surveillance and vigilance to address inherent biases. Studies have shown that debiasing methods can help address disparities represented in data used to develop AI approaches.

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.

Breakthrough could lead to early detection of pregnancy complications

Researchers at the University of Missouri have developed a model for studying uterine fluid in the lab without invasive monitoring or experimentation during active pregnancies. The discovery paves the way for precision medicine approaches to maintaining healthy pregnancies and detecting potential complications.

Measuring brain blood flow and activity with light

Researchers developed functional interferometric diffusing wave spectroscopy (fiDWS) to measure brain blood flow and activation noninvasively. The technology uses near-infrared light and has been shown to be faster and more accurate than existing methods, with applications in diagnosing strokes and monitoring brain injuries.

EuroHeartCare - ACNAP Congress 2021: Helping patients manage heart conditions

The conference presents novel findings on associations between physical activity and quality of life in patients with coronary heart disease, as well as the effect of loneliness on lifestyle modification in heart patients. Experts share top tips on supporting behavior change and motivating patients to maintain self-care.

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.

Observing individual atoms in 3D nanomaterials and their surfaces

KAIST researchers have developed a deep learning approach to accurately determine the 3D surface atomic structure of nanoparticles. The method enhances precision by nearly 70% and improves surface atom identification, enabling the study of catalytic properties at the atomic scale.

An enzyme system for the hydrogen industry

A research team has developed a platinum-free biocatalyst that efficiently produces hydrogen using electricity and generates electricity from hydrogen. The enzyme system is embedded in a polymer film, making it viable for industrial use, with potential applications in fuel cells and water electrolysis.

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.

Pandemic screen time tops 6 hours a day for some kindergartners

A study by Ohio State University found that kindergartners from low-income families spent an average of 6.6 hours a day on screens, nearly double the pre-pandemic level. This excessive screen time was partly due to caregivers' difficulties in managing their children's time during the pandemic.

Jab-free dengue immunity could be just a click away

A dengue virus vaccine candidate has produced a protective immune response in infected mice, offering a promising alternative to existing vaccines. The UQ-developed vaccine uses an Australian insect virus and can be administered via a microarray patch for easy, needle-free delivery.

Online museum exhibitions will be more prominent post COVID-19

Museums have successfully adapted to the pandemic by offering online exhibitions, featuring behind-the-scenes videos, podcasts, and virtual tours. However, researchers warn that there is a need for staff to develop digital skills to manage this new era of engagement.

Defining climate-smart pathways towards tree crop yield intensification

Researchers developed three scenarios to achieve Indonesia's CPO productivity target of 60 M t by 2035. The business-as-usual scenario requires significant land expansion, while the other two intensification scenarios focus on increasing existing productivity and targeted expansion to avoid high-C peatlands.

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.

Computer designs magnonic devices

A new computational method enables researchers to design functional magnonic devices in a shorter time, overcoming traditional limitations. The approach uses inverse design and intelligent algorithms to create devices with multiple functionalities.

Fluke 87V Industrial Digital Multimeter

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

Astronomy educators awarded $2.8M to inspire minority youth to pursue STEM careers

Researchers at the Center for Astrophysics | Harvard & Smithsonian are using a $2.8 million grant to test their theory that astronomy can be an early gateway to attract youth to STEM fields. The program, YouthAstroNet, has already shown positive results in increasing interest and confidence among students from underrepresented groups.

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.

Fatigue, mood disorders associated with post-COVID-19 syndrome

A Mayo Clinic study reports on the first 100 patients with post-COVID-19 syndrome, experiencing symptoms like fatigue, respiratory complaints, and neurologic issues. The study highlights the need for healthcare providers to prepare for prolonged symptoms and provide effective treatment, including psychosocial support.

Celestron NexStar 8SE Computerized Telescope

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