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Science News Archive 2021 - Page 125


Page 125 of 510
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.

Early Homo sapiens groups in Europe faced subarctic climates

Researchers at Max Planck Institute found that early human groups in Europe endured cold climatic conditions for over 7,000 years. The team used archaeological materials to generate climatic data, revealing a higher degree of climate flexibility than previously believed.

SourceMax Planck Institute for Evolutionary Anthropology·JournalScience Advances·DateSep 22, 2021

Hidden mechanisms of apple watercore formation

Single-cell analyses reveal turgor-associated metabolic modifications in watercored apples, leading to increased production of volatile compounds. A significant concentration of these compounds is detected at the border region, where a water potential gradient facilitates water transport to the watercore area.

SourceEhime University·JournalHorticulture Research·DateSep 22, 2021

Gene RARA surfaces as potential drug target in pediatric AML

Researchers have identified a specific gene, RARA, associated with acute myeloid leukemia (AML) in children that is sensitive to the treatment tamibarotene. Studies found that AML cells with high levels of RARA are more responsive to tamibarotene, suggesting its potential as a new treatment for pediatric AML.

SourceBaylor College of Medicine·JournalBlood Advances·TypeExperimental study·DateSep 22, 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.

Researchers use breakthrough method to answer key question about electron states

Scientists have developed a new method to distinguish electron properties in atomic orbitals using X-ray generators and high magnetic fields. This breakthrough could lead to novel directions for engineering atomic-scale devices, including quantum computers and ultra-dense magnetic hard drives.

SourceInstitute for Basic Science·JournalACS Nano·TypeExperimental study·DateSep 22, 2021

Color coding molecular mirror images

Scientists at Kanazawa University have discovered a new method for determining the chirality of amines, which involves reactions with 'color indicator' molecules that produce different colors depending on the enantiomer present. The approach enables easy naked-eye differentiation between enantiomers and could be used to quantify enanti...

SourceKanazawa University·JournalScience Advances·DateSep 22, 2021
Apple iPhone 17 Pro

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

Model advances understanding of incorporating 3D printing into supply chains

Researchers developed a computational model to optimize the use of additive manufacturing in spare parts supply chains, finding that centralized systems are more efficient for less frequent demand with high variability. The study's findings provide a step forward in understanding how to incorporate AM technologies into supply chains.

SourceNorth Carolina State University·JournalJournal of Defense Analytics and Logistics·TypeComputational simulation/modeling·DateSep 22, 2021

Sex and the symbiont: Can algae hookups help corals survive?

Researchers at Rice University have made a groundbreaking discovery about the reproductive habits of dinoflagellate algae, which can help coral reefs adapt to climate change. By studying sex in these tiny creatures, scientists hope to breed strains that are more tolerant of environmental stress.

SourceRice University·JournalScientific Reports·TypeExperimental study·DateSep 22, 2021

Ultrasound assessment of size, number changes for incidental gallbladder polyps

A recent study published in AJR found that gallbladder polyps can fluctuate significantly in size and number over time. The authors suggest revising guidelines to reflect this variability, with no cases of gallbladder carcinoma identified in patients who underwent cholecystectomy.

SourceAmerican Roentgen Ray Society·JournalAmerican Journal of Roentgenology·TypeObservational study·DateSep 22, 2021

Engineers discover way to turn organic waste into renewable biofuel additives using radiation

Researchers at Lancaster University have developed a new method to generate renewable biofuel additives from organic waste using nuclear radiation. This process could help increase the proportion of petrol with renewable content from 5% to 20% by 2030, reducing carbon emissions and tackling climate change.

SourceLancaster University·JournalCommunications Chemistry·TypeExperimental study·DateSep 22, 2021
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.

Improving control for users of robotic prosthetics

Researchers have developed a new interface technology that can provide natural sensory feedback from robotic prosthetics to amputees, reducing abnormal sensations and cognitive burden. The innovation uses ultra-small recording sites and molecular guidance cues to stimulate sensory axons selectively, improving control of robotic limbs.

SourceUniversity of Houston·DateSep 22, 2021

How do migraines affect the sleep cycle?

A meta-analysis of 32 studies involving 10,243 participants found that adults and children with migraines have poorer sleep quality and shorter REM sleep times than those without migraines. Children with migraines also have less total sleep time, more wake time, and faster sleep onset.

SourceAmerican Academy of Neurology·JournalNeurology·DateSep 22, 2021

A computer algorithm called ‘Eva’ may have saved lives in Greece

A new study suggests that Greece's computer algorithm 'Eva' caught nearly twice as many asymptomatic infected travelers as traditional testing methods, helping to curb COVID-19's spread. The AI-powered system used real-time data to identify high-risk visitors for targeted testing, revealing its potential in managing the pandemic.

SourceUniversity of Southern California·JournalNature·TypeComputational simulation/modeling·DateSep 22, 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.

Suicide rates fell in Canada during pandemic despite rise in unemployment

Despite increased unemployment, Canada's suicide rates dropped between March 2020 and February 2021, according to a study. The Canadian government's economic support measures, including financial assistance and reduced mortgage payments, are believed to have contributed to this decrease in suicide rates.

SourceSAGE·JournalJournal of the Royal Society of Medicine·TypeMeta-analysis·DateSep 22, 2021

Unique sugar structures could identify early-stage liver cancer

Scientists use modern imaging technology to determine liver cancer subtypes, identifying specific sugar structures that correlate to different subtypes. This approach could lead to earlier detection and more personalized therapies for hepatocellular carcinoma.

SourceMedical University of South Carolina·JournalMolecular Cancer Research·DateSep 22, 2021

Hubble finds early, massive galaxies running on empty

The Hubble Space Telescope and ALMA have discovered six early, massive galaxies that have run out of hydrogen gas to form stars. These 'dead' galaxies, which appeared in the universe just 20% of its current age, were found using strong gravitational lensing, a technique that amplifies light from distant objects.

SourceNASA/Goddard Space Flight Center·JournalNature·TypeNews article·DateSep 22, 2021

Multiple bacteria types found to contribute to bone loss in gum disease

Researchers found that both Gram-positive and Gram-negative bacteria induce the resorption of alveolar bone, a key component of periodontal tissue. The study suggests that positive and negative bacteria are responsible for periodontitis symptoms.

SourceTokyo University of Agriculture and Technology·JournalScientific Reports·TypeExperimental study·DateSep 22, 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.

Online searches may reduce predisposed belief in misinformation

A new analysis suggests that online searches can reduce belief in misinformation about Zainichi Koreans, particularly among those who were predisposed to believe it. However, participants showed an increase in negative feelings toward the group after conducting their searches, despite correction of specific misinformation.

SourcePLOS·JournalPLOS ONE·TypeExperimental study·DateSep 22, 2021

Deep learning enhances cancer diagnostic tools

Researchers developed a method to apply deep learning to polarization-sensitive optical coherence tomography, enhancing cancer diagnosis. The technique enables OCT systems to detect abnormalities on a deeper level, differentiating microstructural features such as collagen fiber orientations.

SourceBeckman Institute for Advanced Science and Technology·Journalnpj Digital Medicine·TypeImaging analysis·DateSep 22, 2021

Research: Very low effective tax rates often do not reflect high levels of corporate tax avoidance

A new study from Indiana University Kelley School of Business found that very low effective tax rates often do not reflect high levels of corporate tax avoidance. Instead, non-tax items such as valuation allowance releases and accounting for uncertain tax positions are the major drivers of these low ETRs.

SourceIndiana University·JournalContemporary Accounting Research·TypeData/statistical analysis·DateSep 22, 2021

UTSA develops model to understand how a city’s design creates congestion

The UTSA-Glasgow model analyzed nearly 100 American cities to understand the relationship between city design and traffic congestion. It found that high-intensity urban land use and polycentric city shapes are associated with higher levels of congestion, supporting the long-held belief that traffic congestion is tied to urbanization.

SourceUniversity of Texas at San Antonio·JournalComputers Environment and Urban Systems·TypeData/statistical analysis·DateSep 22, 2021
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.

Now everyone can build battery-free electronic devices

Researchers introduce a new platform called BFree that allows users to build battery-free devices using intermittent energy harvesting. The system includes energy-harvesting hardware and a power-failure-resistant version of Python, making it accessible to novice programmers.

SourceNorthwestern University·JournalProceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies·TypeExperimental study·DateSep 22, 2021

Experiences of racism reported in online reviews of hospitals

Researchers examined online consumer reviews to identify experiences of racism in US hospitals. They found significant disparities in care and treatment for patients of color. The study highlights the need for improved diversity and inclusion training in healthcare institutions.

SourceJAMA Network·JournalJAMA Network Open·DateSep 22, 2021

Gigantic cavity in space sheds new light on how stars form

Astronomers have discovered a gigantic cavity in space that sheds new light on how stars form. The sphere-shaped void, spanning nearly 500 light years, is believed to have been formed by ancient supernovae 10 million years ago.

SourceCenter for Astrophysics | Harvard & Smithsonian·JournalThe Astrophysical Journal Letters·DateSep 22, 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.

Physiological stressors triggering disease in the heart

A recent study published at Masonic Medical Research Institute found that electrocution-induced physiological stress can lead to overlapping cardiac conditions in individuals. The research used human induced pluripotent stem cells to investigate the mechanisms behind these conditions, shedding light on potential new treatments.

SourceMasonic Medical Research Institute·JournalInternational Journal of Molecular Sciences·DateSep 22, 2021

Nationwide study of 295,000 brain cancer patients examines differences due to age and sex

A nationwide study of 295,000 brain cancer patients reveals significant differences in survival and incidence based on sex and age. The findings suggest that males have higher incidence rates, while females have longer survival rates at almost every age group, except among children aged 0-9 years.

SourceThe Translational Genomics Research Institute·JournalNeuro-Oncology·TypeMeta-analysis·DateSep 22, 2021

SpaceX satellite signals used like GPS to pinpoint location on Earth

Engineering researchers at Ohio State University developed a method to use Starlink satellite signals to accurately locate positions on Earth, similar to GPS. The accuracy of this technique is comparable to or even surpasses that of GPS, with the potential to be used as an alternative navigation system.

SourceOhio State University·DateSep 22, 2021
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.

The north movement of Intertropical Convergence Zone on synoptic-scale causes heavy rainfall in the northern South China Sea in autumn

Research by Prof. Lifang Sheng and team reveals the northward movement of Intertropical Convergence Zone (ITCZ) causes heavy autumn rainfall in the northern South China Sea. The ITCZ's shift north is triggered by abnormal equatorial easterlies, which strengthen during La Niña years.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateSep 22, 2021

Blowing up medieval gunpowder recipes

The study of medieval gunpowder recipes reveals that the evolution of the perfect powder was a slow trial-and-error process. Researchers analyzed energies released during combustion and found that certain additives made gunpowder stronger, while others had no energetic advantages but might have served other purposes.

SourceAmerican Chemical Society·JournalACS Omega·DateSep 22, 2021

More women using cannabis for menopause symptoms

A recent study found that nearly a third of women near the menopause transition use cannabis to help manage their symptoms, with 75% using it for medical purposes. The most common reasons for use included sleep issues and anxiety, with three-quarters of current users reporting relief from their symptoms.

SourceThe Menopause Society·TypeSurvey·DateSep 22, 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.

Earless worms 'listen' through their skin

Researchers discovered that earless worms can detect airborne sounds in a range of frequencies and localize the source. This finding opens a new field for studying auditory sensation and challenges the assumption that organisms without ears cannot sense sound.

SourceUniversity of Michigan·JournalNeuron·DateSep 22, 2021

Large wind farms cause different effects for local and regional climates

A study found wind farms have a significant effect on local climatology but a minimal impact on regional climate. The Shangyi Wind Farm in China warmed the area by up to 0.95°C at night during summer and autumn, while decreasing wind speed by 6%.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateSep 22, 2021
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Switching on a superfluid

A new Australian study examines systems transitioning from a normal fluid to a quantum state known as a superfluid, which can flow with zero friction. The research provides new insights into the formation of these remarkable states, revealing different timescales and correlations involved.

SourceARC Centre of Excellence in Future Low-Energy Electronics Technologies·JournalPhysical Review Letters·TypeExperimental study·DateSep 22, 2021

An experimental loop for simulating nuclear reactors in space

Researchers at Penn State have developed a small-scale laboratory experiment known as a hydrogen test loop to investigate nuclear thermal propulsion. The simulation, which includes a stainless steel pipe and a heating element, successfully models the operation of a reactor in space. The study's findings could lead to more efficient and...

SourcePenn State·JournalFusion Science & Technology·DateSep 22, 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.

Special transcription factor and its target genes as an important approach for therapy at rare leukemia type identified

A study by MedUni Wien researchers has discovered that the transcription factor BATF3 and its target genes play a crucial role in the growth of tumour cells in anaplastic large cell lymphoma. The findings suggest that targeting the IL-2R system could be an effective therapeutic approach, with promising results in animal models.

SourceMedical University of Vienna·JournalNature Communications·DateSep 22, 2021

Next-generation camera can better locate tumors

A next-generation camera can accurately identify tumor shape and location in human tissue by measuring time-differential signals from photons. This allows surgeons to ensure complete removal of cancerous tissue while preserving surrounding healthy tissue, revolutionizing surgical procedures.

SourceEcole Polytechnique Fédérale de Lausanne·JournalOptica·DateSep 22, 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.

Scientists show how mucus protein contributes to worsening COPD, asthma, lung conditions

Researchers at UNC School of Medicine discovered that MUC5AC mucin disrupts airways in individuals with chronic obstructive pulmonary disease (COPD) and asthma. The study suggests that MUC5AC could be a target for better therapeutics to address the sticky mucus associated with these conditions.

SourceUniversity of North Carolina Health Care·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 22, 2021

Understanding uncertainty with a new take on questionnaires

Researchers developed an interval-valued response method to address uncertainty in questionnaires, providing a more flexible approach to data collection. The new method uses ellipses to allow respondents to choose a range when answering a question, resulting in better quality data and potential improvements in data privacy.

SourceUniversity of Nottingham·JournalBehavior Research Methods·TypeData/statistical analysis·DateSep 22, 2021