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Science News Archive 2021


Page 274 of 510

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.

Corals tell Arabian Sea story of global warming

Researchers found that global warming is causing changes to the Arabian Sea upwelling, which could impact commercial fishing, regional climate, and socioeconomics. The study used coral fossils to analyze seawater temperature and salinity changes over a 1,000-year period.

Multisensory facilitation near the body in all directions

The study found that tactile stimuli are detected faster when sound approaches from any direction, but not when it recedes. This suggests that peripersonal representations exist with approaching sound, regardless of direction, implying a nearly circular shape around the body's trunk.

nTIDE May 2021 Jobs Report: Slow improvement as economy strives for recovery

The nTIDE May 2021 report indicates improvements in employment-to-population ratios for working-age individuals with and without disabilities. Notably, the labor force participation rate for people with disabilities remained stable despite pandemic-related disruptions, showcasing their resilience and continued engagement in the workforce.

Understanding the skin's defense system

MSU researchers have discovered how the skin's immune cells organize themselves in the epidermis to provide proper protection. The discovery sheds light on the skin's defense system, which was previously misunderstood and thought to be random in its distribution.

Getting they/them pronouns right

A recent UNC-Chapel Hill study found that explicitly stating a person's preferred pronouns can improve understanding and interpretation of those pronouns. The study showed that participants were more likely to correctly interpret singular 'they' pronouns when they were explicitly told a person uses they/them pronouns.

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.

A missing antibody molecule may indicate when dengue will become deadly

A new study reveals that a specific antibody molecule, missing fucose, can indicate when dengue virus infection will become deadly. Patients with severe disease have unusually high levels of these antibodies, which bind too strongly to white blood cells, leading to inflammation and platelet destruction.

Adapting laboratory techniques for remote instruction

The COVID-19 pandemic prompted researchers to develop a remote lab exercise teaching students how to use micropipettes. The 'Remote Laboratory Exercise' kit, costing $135 per student, contained equipment and reagents for practicing technique remotely.

SLAS Technology June special issue on 3D cell culture

The June edition of SLAS Technology features protocols for controlled cell seeding, splitting and expansion of human fibroblasts, induced pluripotent stem cells, and neural progenitor cells. Researchers have made significant improvements in forming complex 3D structures but face challenges in automating assay protocols.

New form of silicon could enable next-gen electronic and energy devices

Researchers developed a novel crystalline form of silicon with a hexagonal structure that can potentially be used to create high-performance electronic and energy devices. This discovery opens the door to exciting future research prospects for tuning optical and electronic properties through strain engineering and elemental substitution.

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.

Bacteria are connected to how babies experience fear

A new study from Michigan State University found that infants' gut microbiomes are associated with their fear responses, which can be indicators of future mental health. The researchers discovered that specific features of the gut microbiome, such as uneven balances of bacteria, were linked to stronger fear reactions.

Mason scientists explore herbal treatment for COVID-19

Researchers at George Mason University discovered that the over-the-counter drink Respiratory Detox Shot (RDS) may broadly inhibit respiratory viruses such as influenza. RDS contains nine herbal ingredients traditionally used in Eastern medicine to manage lung diseases.

Fluke 87V Industrial Digital Multimeter

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

Biomarker predicts bowel cancer recurrence

A biomarker based on circulating tumour DNA (ctDNA) can predict the likelihood of bowel cancer recurrence after surgery and chemotherapy. The test measures ctDNA levels before and after treatment to provide real-time information on chemotherapy effectiveness.

3D printed micro-optics for quantum technology

Researchers developed a method to enhance collection efficiency of single QDs using 3D printed micro-lenses, achieving intensity enhancements up to 2.1 and 26% in fibre-coupling validation. A standalone fibre-coupled device was also realised, opening the route to stable stand-alone devices.

Study finds age doesn't affect perception of 'speech-to-song illusion'

A study from the University of Kansas found that the speech-to-song illusion occurs in adults 55 and older at similar rates as younger people, with no difference in perception or intensity. The findings suggest that older adults may not experience a decline in cognitive abilities related to this phenomenon.

Apple iPhone 17 Pro

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

High energy telescopes dissect the afterglow of a gamma ray burst

Astronomers used High Energy Stereoscopic System to observe gamma ray burst GRB 190829A's afterglow, detecting emission at several tera-electronvolts. The results show similar spectral properties and decay profiles to x-ray emission, contradicting current emission models for gamma ray bursts.

Life stage differences shield ecological communities from collapse

A new study reveals that juvenile-adult differences shield ecological communities from collapse. The research shows that variations within species are crucial for community stability, leading to the stabilization of ecosystems. Differences in size and growth rates between juveniles and adults contribute to these effects.

Changes in pregnancy, birth rates during COVID-19

The COVID-19 pandemic led to changes in pregnancy and birth rates, with increased cesarean deliveries and emergency C-sections reported during lockdowns. Researchers analyzed electronic medical records to estimate the impact of lockdown measures on reproductive health.

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.

New technology 'listens' for endangered right whales

Researchers developed a machine learning technique to detect North Atlantic right whales by listening for their sounds underwater. The technology can remove unwanted noises, increasing the reliability of detecting right whales in adverse conditions, and offers hope for the species' survival and population increase.

Healing hydrogels

Researchers at the University of Tokyo have developed a novel crystal that allows hydrogels to rapidly recover from mechanical stress, making them suitable for medical applications. This breakthrough could lead to more effective treatments for sports injuries and joint pain.

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.

Mangrove Root Model May Hold the Key to Preventing Coastal Erosion

A study by Florida Atlantic University quantifies the optimal mangrove root hydrodynamic with a predictive model, providing insight into sediment transport and erosion processes. The research suggests that optimizing porosity can mitigate coastal erosion and promote biodiversity.

Neurological symptoms like fatigue common in mild COVID

A new meta-analysis of 215 COVID-19 studies reveals a wide range of ways the virus affects mental health and brain function. Common symptoms include fatigue, loss of smell, depression, anxiety, and headaches, even in mild cases, suggesting that mental health impacts may be more prevalent than expected.

Engineers create a programmable fiber

Engineers at MIT have developed the first digital fiber that can store, analyze, and infer physical activity, revolutionizing textiles for performance monitoring, medical inference, and disease detection. The fiber is thin, flexible, and can be sewn into fabrics without breaking down, opening up new possibilities for fabrics.

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.

UW researchers investigate mining-related deforestation in the Amazon

A team of University of Wisconsin-Madison researchers investigated mining-related deforestation in the Peruvian Amazon to see if formalizing and legalizing these operations could reduce their negative effects. The study found that while formalization has potential, it needs enforcement and regulations to match the local context.

Study sheds new light on link between COVID pressures and suicidal thoughts

A new study in Wales has found that social isolation, domestic abuse, and relationship problems are strongly linked to suicidal thoughts, while hope for the future and high levels of resilience can mitigate these effects. The survey of over 12,000 people revealed that several stressors contribute to increased risk of suicidal thoughts.

Mockingbird song decoded

Researchers discovered that mockingbirds use specific compositional strategies to create complex melodies, including changing timbre, pitch, stretching transitions, and squeezing them. These techniques are also used by human composers across various musical styles.

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.

A better way to introduce digital tech in the workplace

MIT Professor Kate Kellogg advocates for 'experimentalist governance' to find what works best for employees at all levels, then implement it widely. This approach helps overcome participation, threshold, and free rider problems associated with digital technology implementation.

Bilingualism as a natural therapy for autistic children

Autistic children who are bilingual show improved theory of mind and executive function skills compared to monolingual peers. Bilingualism enables children to partially compensate for deficits in these areas, allowing them to focus on one language while inhibiting another.

Studies reveal skull as unexpected source of brain immunity

Researchers discovered that immune cells from the skull bone marrow guard the brain and spinal cord, while others arrive from the bloodstream, carrying genetic signatures that may promote autoimmunity. This finding could inform understanding and treatment of brain disorders such as neuro-COVID, Alzheimer's disease, and multiple sclerosis.

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.

New study further advances the treatment of chronic pain

Scientists identified conolidine's interaction with ACKR3/CXCR7, a novel opioid receptor, to increase analgesic activity and block pain relief-dampening effects. A synthetic analogue, RTI-5152-12, was developed to enhance pharmacological properties.

New algorithm for modern quilting

Researchers at Stanford University have developed a new prototype software to facilitate pattern-making in foundation paper piecing quilting. The algorithm is based on a graph structure called a hypergraph and allows users to design patterns without having to consider the geometry, ordering, and constraints of the technique.

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.

'Floating' microgrids: Optimizing naval ships' power systems

Wenxin Liu's research aims to improve the reliability of naval ships' power systems using advanced algorithmic design and hardware experimentation. He believes that his work has implications for civilian microgrid technology, which could lead to more efficient and flexible power distribution networks.

Quantum computing with holes

Researchers created a new qubit by manipulating hole spins in a germanium layer, enabling faster processing speeds and reduced magnetic field requirements. This breakthrough could lead to the development of more efficient quantum computers combining semiconductors and superconductors.

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 tech predicts chemotherapy effectiveness after one treatment

Researchers at Washington University in St. Louis have developed a predictive model using tumor biomarkers and imaging parameters to forecast chemotherapy response. The model's accuracy reaches 0.94, allowing for early adjustments to treatment plans and reduced use of toxic chemotherapy drugs.

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.

Is Earth's core lopsided? Strange goings-on in our planet's interior

Researchers at UC Berkeley found that the inner core's asymmetric growth explains a long-standing mystery about iron crystals' orientation. The study suggests the core may be only 500 million years old, contradicting previous estimates and shedding light on Earth's magnetic field history.

What makes good fibroblasts go bad?

Fibroblasts, the cells responsible for extracellular matrices, become diseased in fibrosis. Researchers create 3D hydrogels that mimic living tissue to study fibrosis progression and epigenetic responses.

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.