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Science News Archive September 2017


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.

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...

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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.

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...

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.

Children with asthma are being prescribed unnecessary antibiotics

A study of 1.5 million children found that those with asthma were 1.6 times more likely to be prescribed antibiotics than those without asthma. This could be due to mistaken asthma symptoms for a bacterial infection or preventative use, despite guidelines against it.

'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.

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 Jose move past the Leeward Islands

Hurricane Jose's eye is visible in satellite images over the Leeward Islands, with maximum sustained winds near 130 mph. The storm is expected to make a turn toward the north, gradually weakening over the next couple of days.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.