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Science News Archive November 2021 - Page 16


Page 16 of 40

"Alien" invasions and the need for planetary biosecurity

The article highlights the dangers of biological contamination from space travel, citing examples of bacteria resistant to ionizing radiation and disinfectants found in NASA 'clean rooms'. Researchers propose the use of invasion science to address this threat, leveraging insights on epidemiology, rapid evolution, and early detection.

SourceAmerican Institute of Biological Sciences·JournalBioScience·TypeLiterature review·DateNov 17, 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.

Functional precision medicine using drug sensitivity testing enables tailoring of therapy for leukemia patients

A functional precision medicine study demonstrates that treatment selection based on results from drug sensitivity testing can be clinically useful in patients with aggressive hematological cancer. The approach combines deep molecular profiling with comprehensive drug sensitivity testing to advance the therapy decision-making system.

SourceUniversity of Helsinki·JournalCancer Discovery·DateNov 17, 2021

Warning over antibiotic-resistant bacteria

A study by Anglia Ruskin University has identified potentially dangerous Pseudomonas bacteria in 21% of wild bird faeces collected from locations near the River Cam. The bacteria, which can be passed on to humans through cross-contamination, were resistant to multiple antibiotics.

SourceAnglia Ruskin University·JournalEcology and Evolution·DateNov 17, 2021

“Can you show me how to calm myself down?” Observing adults can help toddlers regulate their emotions

Toddlers increased their use of distraction as a mechanism to calm themselves after observing others. Toddlers also benefited from observing both calm and active distraction strategies, regardless of temperament or play preferences. Observing strangers can help toddlers develop emotional regulation skills.

SourceSociety for Research in Child Development·JournalChild Development·TypeObservational study·DateNov 17, 2021

Autism diagnosis by 2.5 years of age leads to dramatic improvements in social symptoms as compared to those diagnosed later in life, Ben-Gurion University researchers and colleagues find

A new study published in Autism highlights the benefits of early diagnosis and treatment for children with autism spectrum disorder (ASD). Children diagnosed before 2.5 years old showed considerable improvements in core social symptoms compared to those diagnosed later in life. Early intervention is critical, emphasizing the need for u...

SourceBen-Gurion University of the Negev·JournalAutism·TypeObservational study·DateNov 17, 2021

Fires in the Sierra Nevada likely to grow in frequency

A new UCI study links rising temperatures to higher blaze risk in the Sierra Nevada, predicting a 50% increase in wildfires by 2040. The research analyzes daily temperature spikes and finds that each 1 degree Celsius rise increases fire risk by 19-22%

SourceUniversity of California - Irvine·JournalScience Advances·DateNov 17, 2021
Apple iPhone 17 Pro

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

Artificial intelligence, the new frontier in climate change risks assessment

Machine learning enables better understanding of climate-induced hazards, predicting floods and landslides with high accuracy. The technology combines diverse data sources to assess risk extent, considering both triggering hazards and socio-economic vulnerability.

SourceCMCC Foundation - Euro-Mediterranean Center on Climate Change·JournalEarth-Science Reviews·DateNov 17, 2021

Maternal caregiving may reverse effects of stress during pregnancy on newborns

Research suggests that high stress levels in pregnant women are associated with increased cortisol responses in infants. However, sensitive caregiving by mothers after birth can mitigate these effects. The study's findings highlight the importance of postnatal interventions to support children whose mothers experienced prenatal adversity.

SourceWiley·JournalJournal of Child Psychology and Psychiatry·DateNov 17, 2021

Food scientists create zinc index for human body

The Zinc Status Index is a new evaluation method developed by Cornell food scientists that uses biomarkers to calculate the physiological status of a subject. It aims to provide a comprehensive assessment tool for zinc deficiency, which affects over 1 billion people worldwide.

SourceCornell University·JournalNutrients·DateNov 17, 2021

DIY radiative cooler developed to serve as a research standard

Scientists from UCLA develop a do-it-yourself radiative cooler using household materials, achieving moderate to large temperature drops. The design's reproducibility and low cost make it an attractive standard for research settings.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Photonics for Energy·TypeExperimental study·DateNov 17, 2021

Study finds infants later diagnosed with autism show reduced social communication before their first birthday

A new study documents that observable social-communication differences for infants with ASD unfold by 9 months, pointing to a critical window for targeted intervention. Infants with ASD exhibit significantly fewer social and early speech skills than their typically-developing peers at 9 months of age.

SourceSociety for Research in Child Development·JournalChild Development·TypeObservational study·DateNov 17, 2021
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.

Hospital policies on addressing sexual harassment

Researchers assessed hospital policies to address sexual harassment of physicians by patients, highlighting inconsistencies and areas for improvement. The study aims to inform evidence-based practices to create a safer healthcare environment.

SourceJAMA Network·JournalJAMA Network Open·DateNov 17, 2021

New holographic camera sees the unseen with high precision

Researchers at Northwestern University developed a new high-resolution camera that can see hidden objects by indirectly scattering coherent light. The device overcomes limitations of existing NLoS imaging technologies with high spatial and temporal resolution, small probing area, and large angular field of view.

SourceNorthwestern University·JournalNature Communications·TypeExperimental study·DateNov 17, 2021

Advanced microscopes help scientists understand how cells break down proteins

Researchers from the University of Chicago used cryo-electron microscopy to study protein degradation in yeast, describing the structure of a key enzyme involved in ubiquitination. The study provides new insights into the process and its potential role in human diseases such as aging and neurodegeneration.

SourceUniversity of Chicago·JournalNature·TypeImaging analysis·DateNov 17, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Sloan Kettering Institute researchers discover one way genetic mutations occur during formation of eggs and sperm

Researchers used mutant mice to study meiosis, which forms eggs and sperm, revealing that breaks in DNA can lead to unanticipated types of harmful mutations. The study found that when there are too many double-strand breaks, they may not be repaired properly, leading to potentially severe mutations.

SourceMemorial Sloan Kettering Cancer Center·JournalCell·TypeExperimental study·DateNov 17, 2021

New group of antibacterial molecules identified

Researchers at Karolinska Institutet have discovered a new group of small antibacterial compounds that inhibit the formation of bacterial cell walls, showing promise against antibiotic-resistant strains. The molecules work by binding to lipid II, a crucial molecule for bacterial cell wall construction.

SourceKarolinska Institutet·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateNov 17, 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.

Genetic changes in Bronze Age Southern Iberia

A new study analyzing ancient Iberian genomes uncovers genetic shifts and social transformations during the Copper Age to Bronze Age transition. The data suggests that incoming steppe-related ancestry mixed with local Iberian Chalcolithic ancestry, but the paternally inherited Y chromosome lineages show a complete turnover.

SourceUniversitat Autonoma de Barcelona·JournalScience Advances·TypeCase study·DateNov 17, 2021

When the gut's internal ecosystem goes awry, could an ancient if gross-sounding treatment make it right?

Research using ring-tailed lemurs shows that fecal microbiota transplants can stabilize and restore a healthy gut microbiome after antibiotic use. The study confirms the effectiveness of this ancient treatment for reducing the negative effects of antibiotics on the gut, which can cause severe diarrhea and abdominal pain.

SourceDuke University·JournalAnimal Microbiome·TypeExperimental study·DateNov 17, 2021

Fatal heart attack or stroke could be first sign of CVD in some smokers

A new study published in the Journal of the American Heart Association found that smoking may be the first sign of cardiovascular disease (CVD) in some individuals. The research, which analyzed data from nine long-term cohort studies, discovered that fatal or non-fatal heart attacks and strokes were more common among smokers, particula...

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateNov 17, 2021

Bacteria as climate heroes

Acetobacterium woodii bacteria can efficiently metabolize CO2 into formate, providing a sustainable alternative to oil-based products. This process can be genetically modified to produce ethanol or lactic acid, enabling the recycling of CO2 and carbon monoxide.

SourceVienna University of Technology·JournalMetabolic Engineering·TypeExperimental study·DateNov 17, 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.

After comparing 17.5 million strategies, researchers validate CDC’s vaccine rollout recommendation

Iowa State University researchers validated the CDC's COVID-19 vaccine rollout strategy, which prioritized frontline essential workers, older age groups, and individuals with underlying health factors. The model showed that this approach was highly effective in curbing mortality while keeping case numbers at bay.

SourceIowa State University·JournalPLOS ONE·TypeComputational simulation/modeling·DateNov 17, 2021

Persistent, distressing psychotic-like experiences associated with impairment in youth

A new study found that children with persistent, distressing PLEs show impaired cognition, higher levels of psychopathology, and delayed developmental milestone achievement compared to those without these experiences. The researchers highlight the need for early intervention and support for youth who report these experiences.

SourceNIH/National Institute of Mental Health·JournalMolecular Psychiatry·DateNov 17, 2021

When older couples are close together, their heart rates synchronize

A study from the University of Illinois examines how spatial proximity affects relationship dynamics in older adult couples. The researchers found that when partners are close to each other, their heart rates synchronize in a lead-lag relationship, indicating a complex interplay between physiological responses and interaction patterns.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Social and Personal Relationships·TypeObservational study·DateNov 17, 2021

Researchers identify technique to detect false positive COVID-19 results

A new protocol has been developed to identify potential false-positive COVID-19 results, particularly in asymptomatic non-exposed individuals. The method involved retesting all positive results from such patients, revealing 20 out of 288 initial positives to be false positives.

SourceUniversity of Missouri-Columbia·JournalPathology - Research and Practice·TypeExperimental study·DateNov 17, 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.

12-year-old children consume on average 8 1/4 hours of media daily, with media multitasking associated with worse mental health outcomes but videogaming associated with better mental health outcomes

A study of 8-12 year olds reveals that media multitasking is associated with worse mental health outcomes, while videogaming shows a positive correlation. The research highlights the importance of balancing screen time with other activities for children's overall well-being.

SourcePLOS·JournalPLOS ONE·DateNov 17, 2021

A CARE-ing route to advanced nanoelectronics

Osaka University researchers developed an ultra-thin film of magnetite with superior crystallinity and conductive properties, overcoming challenges in spintronics technology. The discovery enables the film to undergo a temperature-dependent resistivity change, crucial for implementation in quantum computing technologies.

SourceOsaka University·JournalACS Applied Nano Materials·TypeExperimental study·DateNov 17, 2021
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.

Abbott's research review highlights five HMO prebiotics in breast milk that may benefit digestive, immune and cognitive development in complementary ways

A review by Abbott researchers highlights five HMOs in breast milk that may provide support for digestive health, the immune system and cognitive development. The study suggests these five core Human Milk Oligosaccharides (HMOs) could help influence overall brain health due to their impact on the gut-brain axis.

SourceAbbott·JournalNutrients·TypeMeta-analysis·DateNov 17, 2021

Graphene-like 2D material leverages quantum effects to achieve ultra-low friction

Researchers discovered a graphene-like material called magnetene that exhibits ultra-low friction, contrary to predictions based on Van der Waals forces. Quantum effects play a crucial role in its behavior, making it suitable for use in micro-electro-mechanical systems and implantable devices.

SourceUniversity of Toronto Faculty of Applied Science & Engineering·JournalScience Advances·DateNov 17, 2021

Felsic volcanism in south China drove the end-Permian mass extinction

A study published in Science Advances reveals that felsic volcanism in South China drove the end-Permian mass extinction, with extreme elemental copper enrichment and light isotopic compositions indicating large-scale eruptions near the studied outcrops. This finding strengthens the case against the Siberian Traps as the sole trigger f...

SourceChinese Academy of Sciences Headquarters·JournalScience Advances·DateNov 17, 2021

Brief 5:2 diet advice is as effective as traditional GP advice, but people like it better, according to new study

A clinical trial found that long-term weight loss was similar for those who received 5:2 diet or standard weight management advice, with 18% and 15% of participants losing at least five per cent of their body weight. However, the 5:2 diet group was more likely to recommend the intervention to others or continue with it.

SourceQueen Mary University of London·JournalPLOS ONE·TypeRandomized controlled/clinical trial·DateNov 17, 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.

Scientists identify new force behind past mass extinction event

A team of scientists has identified a new force behind the past mass extinction event, finding that volcano eruptions produced a 'volcanic winter' that drastically lowered earth's temperatures. This change added to the environmental effects resulting from other phenomena at the time.

SourceNew York University·JournalScience Advances·DateNov 17, 2021

Experts call for continued use of personal protective and social measures alongside COVID-19 vaccination

Handwashing, mask wearing, and physical distancing are effective in reducing COVID-19 incidence, with a 53% reduction seen with mask wearing and a 25% reduction with physical distancing. However, more stringent measures like lockdowns need further assessment to weigh their potential negative effects on general populations.

SourceBMJ Group·JournalThe BMJ·TypeSystematic review·DateNov 17, 2021

Study challenges standard ideas about piezoelectricity in ferroelectric crystals

Researchers at Penn State have found that the conventional wisdom about the relationship between domain size and piezoelectricity in ferroelectric materials is not always correct. In contrast to existing data suggesting smaller domains lead to higher piezoelectricity, this new study shows larger domain sizes can actually result in bett...

SourcePenn State·JournalAdvanced Materials·DateNov 17, 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.

Alien organisms – hitchhikers of the galaxy?

A team of scientists, including Dr Phill Cassey, are calling for greater recognition of the biosecurity risks ahead of the space industry. The research highlights the potential for 'alien organisms' to survive the journey and cause invasive species threats.

SourceUniversity of Adelaide·JournalBioScience·TypeContent analysis·DateNov 17, 2021

Plastic shields could be answer to COVID risk for motorbike taxis

A study suggests that affordable plastic shields can substantially reduce the risk of COVID-19 infection for passengers on motorcycle taxis. The research found that a shield between the driver and passenger blocks particles and alters airflow, eliminating airborne exposure.

SourceUniversity of Leeds·JournalPhysics of Fluids·TypeExperimental study·DateNov 17, 2021

Virtual fluid for the description of interfacial effects in metallic materials

Physicists at the University of Stuttgart have developed a novel computer simulation strategy using a virtual fluid that allows for the calculation of electrostatic interactions within any material. This approach enables the study of wetting transitions and phase transitions of ionic liquids at metal surfaces, shedding light on unusual...

SourceUniversitaet Stuttgart·JournalNature Materials·TypeExperimental study·DateNov 17, 2021

Perceptual links between sound and shape may unlock origins of spoken words

Researchers discovered that the majority of people worldwide exhibit the 'bouba/kiki effect', matching sounds with shapes, regardless of language or writing system. This finding suggests that iconic vocalisations may form a global basis for creating new words.

SourceUniversity of Birmingham·JournalPhilosophical Transactions of the Royal Society B Biological Sciences·DateNov 17, 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.

Researchers uncover potential way to protect against diet-induced obesity and inflammation

Researchers have discovered a protein called CPEB4 that plays a key role in diet-induced obesity. Blocking CPEB4 expression in mice protected them from weight gain, inflammation, and improved their microbiome health. The findings could lead to new treatments for diet-induced obesity and its associated cancer risks.

SourceWorldwide Cancer Research·JournalMolecular Metabolism·TypeExperimental study·DateNov 17, 2021

New model translates heart research findings from animals to humans

Researchers developed a predictive model that maps electric activity of mouse, rabbit, and human cardiac cells, allowing translation of findings across species. The model is expected to accelerate drug development and improve understanding of disease mechanisms.

SourceUniversity of California - Davis Health·JournalScience Advances·DateNov 17, 2021

No ohmic loss! Electromagnetic zero-index metamaterials

Scientists design a special metamaterial that achieves 'zero index' with infinite effective spatial wavelength, overcoming limitations of short spatial wavelength in the optical regime. DCZIMs offer advantages over other mechanisms, including no ohmic losses and scalable fabricating using standard planar processes.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateNov 17, 2021

Ordered from afar: How germs’ toxins become dangerous

Scientists at the Max Planck Institute have uncovered how ExoY toxin becomes activated in human cells by binding to actin filaments, leading to devastating enzymatic activity. This discovery sheds light on a crucial molecular mechanism that underlies the pathogenicity of various toxins.

SourceMax Planck Institute of Molecular Physiology·JournalNature Communications·TypeExperimental study·DateNov 17, 2021

New clinical practice guideline on fractional exhaled nitric oxide (FeNO) to help guide asthma treatment

The American Thoracic Society has published a clinical practice guideline on the use of fractional exhaled nitric oxide (FeNO) to guide asthma treatment. The guideline recommends using FeNO in addition to usual care for patients with asthma whose treatment is being considered, suggesting this may be eligible for the measurement.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·TypeSystematic review·DateNov 17, 2021
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.

CDI laboratory zeroes in on melanoma’s molecular spread

The CDI laboratory has identified a complex natural pathway that melanoma hijacks to metastasize. The pathway centers around the silencing of bone morphogenetic protein 6 (BMP6), leading to abnormal cell signaling and increased cancer cell motility.

SourceHackensack Meridian Health·JournalMolecular Cancer Research·TypeExperimental study·DateNov 17, 2021

A "compass" in the brain to navigate thoughts

Researchers at the University of Trento discovered brain cells acting as a compass for navigating conceptual spaces, similar to those found in physical environments. These 'head-direction cells' signal direction even when movement occurs in abstract spaces, suggesting a complementary mechanism for conceptual navigation.

SourceUniversità di Trento·JournalCommunications Biology·TypeImaging analysis·DateNov 17, 2021

Researchers reveal structure of itch receptors on cells

Scientists at UNC-Chapel Hill and UC San Francisco identified two receptors, MRGPRX2 and MRGPRX4, involved in itching. The researchers created high-resolution maps of these complex receptor proteins when bound to compounds causing itchiness, providing a template for designing new anti-itch medications.

SourceUniversity of North Carolina Health Care·JournalNature·TypeExperimental study·DateNov 17, 2021

Older-looking brains linked to lower birth weight and genes

A new study by the University of Oslo found that brains with an older appearance are associated with lower birth weights and a genetic tendency towards smaller brain size. The researchers measured the pace of brain aging in 1,500 adults over 10 years and found no strong correlation between estimated brain age and future brain changes.

SourceUniversity of Oslo, Department of Psychology, Center for Lifespan Changes in Brain and Cognition·JournaleLife·TypeImaging analysis·DateNov 16, 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.

Diagnosing jaundice in the blink of an eye from a digital camera

Researchers have designed a digital camera-based system that can accurately detect jaundice in newborns within one second, sending diagnoses to carers via SMS. The system uses image processing techniques to detect bilirubin levels, triggering blue LED phototherapy and treatment.

SourceUniversity of South Australia·JournalDesigns·TypeExperimental study·DateNov 16, 2021

IU neuroscientists explore mysterious ‘events’ in the brain that open new avenues for understanding brain injuries and disorders

Researchers discovered short bursts of activity in the brain, known as 'events,' which occur regardless of brain state or activity. These events are guided by the brain's structural network and may be tied to the physical structure of brain regions, offering a potential new avenue for understanding brain injuries and disorders.

SourceIndiana University·JournalProceedings of the National Academy of Sciences·DateNov 16, 2021

Flavoured vapes less harmful to young people than smoking, and could help teen smokers quit

A systematic review of over 500,000 under 18s found that flavoured vapes are an important aspect of vaping enjoyed by young people, potentially encouraging them to switch from tobacco smoking to less harm vaping. However, the study warns that more needs to be done to prevent young non-smokers from being attracted to vaping.

SourceUniversity of East Anglia·JournalAddiction·TypeSystematic review·DateNov 16, 2021