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Science News Archive September 2017 - Page 30


Page 30 of 39

Study of circular DNA comes full circle with use of old technique

A study has characterized all of the circular DNA in the worm <em>C. elegans</em> and three human cell types, revealing different sets of circles in different cell varieties. The researchers used a 50-year-old lab technique called density gradient centrifugation to separate and purify the circular DNA.

SourceUniversity of Texas at Dallas·DateSep 11, 2017

Biodiversity just as powerful as climate change for healthy ecosystems

A recent study published in Nature found that biodiversity is a more powerful predictor of biomass production than climate change, with diverse ecosystems producing higher biomass and toppling climate as the most important factor. The research, conducted by a team at the Smithsonian Environmental Research Center, analyzed data from ove...

SourceSmithsonian·JournalNature·DateSep 11, 2017

Autism on screen may reinforce stereotypes, study finds

Research found that fictional autistic characters often display at least nine of the 12 diagnostic criteria, a level rarely seen in real life. In reality, most people with autism lack exceptional skills, contradicting common stereotypes.

SourceUniversity of Edinburgh·JournalPsychiatry Research·DateSep 11, 2017
Apple iPhone 17 Pro

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

New method for monitoring fetal heartbeat

Researchers have successfully isolated fetal heart sounds from background noise using a mathematical technique, allowing for potential non-invasive and low-cost fetal monitoring at home. This could inform doctors about fetal health and make pregnancy safer by enabling long-term monitoring between checkups.

SourceFrontiers·JournalFrontiers in Bioengineering and Biotechnology·DateSep 11, 2017

Rising CO2 leading to changes in land plant photosynthesis

Researchers found that plants have adapted to rising CO2 levels by becoming more efficient at using water, which could help offset human-induced climate change. The study provides new insights into the impact of CO2 on plant behavior and photosynthesis.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateSep 11, 2017

Hollow atoms: The consequences of an underestimated effect

Hollow atoms, created in labs, have electrons that can quickly lose energy through interatomic coulomb decay. This effect is important for understanding the helpful effects of ionizing radiation in cancer therapy and causing DNA damage.

SourceVienna University of Technology·JournalPhysical Review Letters·DateSep 11, 2017

Muscle nuclei: May the force be with you

Portuguese researchers have discovered how cellular nuclei reach their position within muscle cells, a process disrupted in most muscle disorders. This finding has important implications for developing novel therapeutic strategies to treat muscular diseases and sport-induced muscle injuries.

SourceInstituto de Medicina Molecular·JournalNature Cell Biology·DateSep 11, 2017
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.

Beverage industry capitalizing on countries with fewer health regulations

A new study from the University of Waterloo found that the beverage industry is heavily promoting sugar-sweetened beverages in Guatemalan schools, contributing to high consumption rates among students. In contrast, private school students who have access to free drinking water consumed sweetened beverages less often.

SourceUniversity of Waterloo·JournalPublic Health Nutrition·DateSep 11, 2017

Study clarifies how neural nets 'think' when processing language

Researchers develop a general-purpose technique to analyze neural networks trained for natural-language-processing tasks. The method applies to any black-box text-processing system, revealing idiosyncrasies in human translators' work and identifying gender biases in machine translation systems.

SourceMassachusetts Institute of Technology·DateSep 11, 2017

Wendelstein 7-X: Second round of experimentation started

The second round of experimentation has begun at Wendelstein 7-X, a stellarator designed to produce power from fusion reactions. The upgrade includes new heating and measuring facilities, graphite wall tiles, and ten divertor modules, which will allow for higher temperatures and plasma discharges.

SourceMax-Planck-Institut für Plasmaphysik (IPP)·DateSep 11, 2017

Urban climate change

A new study models the impact of changing precipitation patterns in northern European and North American cities, finding that urban runoff is strongly controlled by built-up versus vegetated surfaces. The research also highlights the importance of wintertime climate for northern cities' flood risks.

SourceUniversity of California - Santa Barbara·JournalScientific Reports·DateSep 11, 2017
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.

Particulate matter and life expectancy in China

Analysis of Chinese life expectancy data reveals a significant impact of airborne particulate matter (PM) on mortality rates. Exposure to PM smaller than 10 microns is estimated to reduce life expectancy by 0.6 years for every 10 μg/m3 of PM10.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateSep 11, 2017

Body's own defense against ALS actually drives disease progression at later stages

Researchers discovered that autophagy, a cellular 'clean-up process', initially slows ALS disease progression but later accelerates its deadly spread through the spinal cord. The study provides new insights into the complex mechanisms of ALS and lays the groundwork for therapies that could eventually prevent its onset.

SourceThe Zuckerman Institute at Columbia University·JournalProceedings of the National Academy of Sciences·DateSep 11, 2017
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.

Desert locusts: New risks in the light of climate change

Climate change may alter desert locust distribution and behavior, potentially increasing agricultural threats in southern Africa. The study suggests maintaining existing monitoring capacities and reviewing prevention strategies to address changing environmental conditions.

SourceCirad·JournalGlobal Change Biology·DateSep 11, 2017
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.

Penn: How openings in Antarctic sea ice affect worldwide climate

Researchers analyze climate models to show that polynyas in the Southern Ocean can release heat into the atmosphere, warming temperatures and wind patterns globally. This process also affects tropical rainfall and water resources in regions like Indonesia and South America.

SourceUniversity of Pennsylvania·JournalJournal of Climate·DateSep 11, 2017

Clinical trials often unregistered, unpublished

A recent study analyzed over 100 clinical trials and found that many were unregistered and unpublished. Prospective registration was significantly associated with subsequent publication, as well as being published with the same primary outcomes as defined in the protocol.

SourceJAMA Network·JournalJAMA·DateSep 11, 2017

NYU researchers examine disaster preparedness and recovery in a hurricane-induced hospital evacuation

Researchers at NYU Langone Health's main hospital during Superstorm Sandy found that communication and social support were critical in connecting nurses with others during the crisis. The study also calls for more education and planning for future disasters, including training on power loss and 'all hazards' approaches.

SourceNew York University·JournalJournal of Nursing Scholarship·DateSep 11, 2017
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.

For a better look at subsurface changes and brain activity

INRS professors Bernard Giroux and Jinyang Liang receive funding to develop geophysical monitoring tools for environmental risks and real-time brain imaging techniques for studying membrane dynamics in neurons. This research has potential applications in material sciences and optical physics.

SourceInstitut national de la recherche scientifique - INRS·DateSep 11, 2017

Study examines use of systolic blood pressure at time of primary percutaneous coronary intervention

Researchers found that a simple index based on systolic blood pressure and left-ventricular end-diastolic blood pressure ratio can predict in-hospital mortality for patients with STEMI. The study included 219 patients and showed that the SBP/LVEDP ratio was more predictive than other indices.

SourceSociety for Cardiovascular Angiography and Interventions·JournalCatheterization and Cardiovascular Interventions·DateSep 11, 2017
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.

NASA sees Hurricane Irma affecting south Florida

NASA satellite images reveal Hurricane Irma's structure and strengthening as it approaches southern Florida. The storm re-strengthened from a Category 3 to a Category 4 hurricane after passing over warm waters in the Caribbean. The National Hurricane Center reports maximum sustained winds of 130 mph, with higher gusts.

SourceNASA/Goddard Space Flight Center·DateSep 10, 2017

Explosive birth of stars swells galactic cores

A team of astronomers observed distant galaxies 11 billion light-years away and found that active star formation can upswell galaxies, changing their shape. This suggests that galaxies can form new shapes without colliding with other galaxies.

SourceNational Institutes of Natural Sciences·JournalThe Astrophysical Journal Letters·DateSep 10, 2017
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.

Emergency doctors evaluate chest pain quickly and safely

Australian hospitals have adopted two new protocols for assessing chest pain, which were developed by Professor Louise Cullen and Professor William Parsonage. The Accelerated Diagnostic Protocol (ADP) was found to identify low-risk patients correctly, reducing emergency department length of stay from 292 minutes to 256 minutes. The IMP...

SourceEmergency Medicine Foundation (Australia)·JournalThe Medical Journal of Australia·DateSep 10, 2017

'Triggers': A new tool to assess cancer patients' palliative needs

The Triggers tool identifies patients who benefit from early palliative care, improving their prognosis and quality of life. In a pilot study, the tool was successfully implemented at The Royal Marsden NHS Foundation Trust, with 75% of patients showing positive triggers for specialist palliative care.

SourceEuropean Society for Medical Oncology·DateSep 10, 2017
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.

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.

Durvalumab improves progression-free survival in stage III lung cancer

The PACIFIC trial showed that durvalumab improved progression-free survival in patients with locally advanced, unresectable stage II-III NSCLC, decreasing the probability of disease progression by 48%. Durvalumab also reduced treatment-related adverse events and improved overall response rates.

SourceEuropean Society for Medical Oncology·DateSep 9, 2017
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

NASA sees Hurricane Irma's eye along Cuba's coast

NASA's Aqua satellite captured images of Hurricane Irma's eye along Cuba's northern coast, revealing coldest temperatures surrounding the storm. The hurricane is expected to strengthen once it moves away from Cuba and then re-strengthen again as it approaches Florida, bringing powerful winds and heavy rainfall.

SourceNASA/Goddard Space Flight Center·DateSep 9, 2017

Hurricane Jose gives NASA's Terra satellite a clear eye

NASA's Terra satellite passed over Hurricane Jose, capturing a visible-light image of its well-defined eye. The eye has become slightly more asymmetric, with northeastward elongation of the cirrus canopy indicating increasing southwesterly shear.

SourceNASA/Goddard Space Flight Center·DateSep 9, 2017
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.

Abdominal fat a key cancer driver for postmenopausal women

A study published at ESMO 2017 Congress found that abdominal fat distribution is a significant predictor of cancer diagnosis in postmenopausal women. The study, which included 5,855 women, showed that the ratio of abdominal to peripheral fat was an independent risk factor for certain cancers.

SourceEuropean Society for Medical Oncology·DateSep 9, 2017

Bariatric surgery associated with semen abnormalities and reduced fertility in men

A meta-analysis of studies found frequent sperm aberrations and lower fertility rates among men after undergoing Roux-en-Y gastric bypass procedures. Researchers identified elevated estrogen hormone levels and deficient vitamin D as potential factors contributing to semen abnormalities and reduced fertility.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalBariatric Nursing and Surgical Patient Care·DateSep 8, 2017

New software can detect when people text and drive

The system uses cameras and AI to detect hand movements deviating from normal driving behavior, grading them for possible safety threats. Researchers hope the technology will reduce traffic accidents caused by distracted drivers, a major contributor to global crashes.

SourceUniversity of Waterloo·DateSep 8, 2017
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.

Immune cells help fat deal with environmental challenges

Regulatory T-cells in adipose tissue increase in response to environmental stimuli, promoting heat production and fatty acid breakdown. This discovery highlights the complex interactions between immune cells and environment in maintaining metabolic balance.

SourceHelmholtz Munich (Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH))·JournalCell Metabolism·DateSep 8, 2017