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Science News Archive February 2017


Page 7 of 37

Apple iPhone 17 Pro

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

Parkinson's disease may have link to stroke

Research finds a strong association between Parkinson's disease and stroke, with a higher incidence of ischemic stroke among those with Parkinson's. This link is similar to that between stroke and Alzheimer's disease.

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.

Using dogs to find cats

Researchers used trained detection dogs to locate cheetah scat and signs in Western Zambia, detecting the species throughout a survey area. The study estimates a cheetah density of 5.9-6.6 individuals per 1000 square kilometers.

Tired teens 4.5 times more likely to commit crimes as adults

Research from the University of Pennsylvania and University of York found that teenagers who self-report feeling drowsy mid-afternoon are 4.5 times more likely to commit violent crimes a decade and a half later. The study also links daytime sleepiness with poor attention and brain function, which can lead to criminal behavior.

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.

Agricultural robot may be 'game changer' for crop growers, breeders

The agricultural robot is a semiautonomous system that gathers and transmits real-time data on crop growth and development. It uses various sensors and cameras to capture phenotypic information and assess environmental conditions, enabling crop breeders to make actionable decisions and improve yields.

ESC on eHealth revolution: A new vision for cardiovascular medicine

The eHealth revolution is transforming cardiovascular medicine with smartphone apps predicting worsening heart failure and apps warning of dangerously low blood pressure or glucose levels. Big Data analysis provides insights into the greatest impact of treatments and compares results across countries.

Values gap in workplace can lead millennials to look elsewhere

A University of Missouri study finds that young workers often quit jobs due to a disconnect between their personal values and the company's practices. The study highlights issues such as environmental sustainability, materials selection, and working conditions.

Oil and gas wastewater spills alter microbes in West Virginia waters

A Rutgers-led study found that oil and gas wastewater spills altered the diversity, numbers, and functions of microbes in West Virginia stream water and sediments. The changes indicated shifts in respiration and nutrient cycling, as well as signs of stress, but did not reveal hot spots of high antibiotic resistance.

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.

Sugar's 'tipping point' link to Alzheimer's disease revealed

Researchers have discovered that excess glucose damages an enzyme involved in inflammation response, leading to Alzheimer's disease progression. The study found that this 'tipping point' mechanism is critical in understanding how Alzheimer's develops and may lead to new treatments or preventive strategies.

Liquid hydrogen may be way forward for sustainable air travel

A new study suggests that liquid hydrogen may be a realistic option for future air travel, offering several advantages over traditional fuels. Liquid hydrogen is very light and has a lower boiling point, reducing the risk of accidents and making it easier to handle.

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.

New research on rape kit processing sees improvements

A new study by BYU nursing professor Julie Valentine found that sexual assault kit submission rates in Utah improved significantly from 38 percent in 2010-2013 to 75 percent in 2014. The study analyzed 2,317 kits and showed notable improvements in various jurisdictions, with Washington County seeing the most significant increase.

New 'tougher-than-metal' fiber-reinforced hydrogels

Scientists at Hokkaido University have created 'fiber-reinforced soft composites' that combine the flexibility of hydrogels with the strength of glass fibers. These materials are 5 times tougher than carbon steel, making them suitable for various applications such as artificial ligaments and tendons.

Boston researcher receives global surgery award

Maunil Bhatt, a Boston University School of Medicine resident, received a Global Surgery Research Fellowship Award for his project on screening esophageal squamous cell cancers in rural India using the EsophaCap device. He plans to train and teach in low-income countries to address disparities in access to surgical care.

Stingless bees have their nests protected by soldiers

Researchers discovered that stingless bees have evolved larger guard bees to protect their nests from robber bees, leading to a more marked division of labor. This phenomenon is linked to the frequency of attacks by parasitic robbers, which has driven the evolution of this specialized caste.

Fluke 87V Industrial Digital Multimeter

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

Hitching a ride with a predator

Research reveals that secondary seed dispersal by predator animals is crucial for recolonizing plants in the wild. Thick-shelled seeds benefit from passing through multiple animal digestive systems, increasing their chances of germination.

Light-driven reaction converts carbon dioxide into fuel

Researchers at Duke University developed tiny rhodium nanoparticles that convert carbon dioxide into methane using ultraviolet light, potentially reducing atmospheric carbon dioxide levels. The discovery offers a promising alternative energy source and could be scaled up for industrial applications.

Last year's El Niño waves battered California shore to unprecedented degree

A new study found that severe El Niño events can cause unprecedented coastal erosion in California, with the 2015-2016 event resulting in 76% above normal winter beach erosion. The study highlights the need to understand and manage coastlines to conserve beach ecosystems and mitigate the effects of rising sea levels.

Air pollution may have masked mid-20th Century sea ice loss

Researchers found that air pollution, specifically sulfate aerosols, may have temporarily hidden the effects of global warming on Arctic sea ice, leading to an increase in sea ice extent from 1950 to 1975. The study's findings challenge the perception that Arctic sea ice was unperturbed by human-caused climate change until the 1970s.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

How blood can be rejuvenated

Researchers at Lund University successfully reprogrammed old blood stem cells to function like those of younger individuals, revealing a potential new approach to treating age-related diseases. This breakthrough suggests that epigenetic changes, rather than DNA mutations, underlie the decline in blood cell function with age.

Fasting-mimicking diet may reverse diabetes

A fasting-mimicking diet has been shown to reverse diabetes in mice by promoting the growth of new insulin-producing pancreatic cells. In humans, the diet also increased expression of a protein that accelerates insulin production in type 1 diabetes patients, suggesting potential for alleviating symptoms.

Electrons use DNA like a wire for signaling DNA replication

A recent study by Caltech and Vanderbilt University researchers found that electrons play a crucial role in DNA replication, allowing the cell to quickly locate and repair mutations. The discovery reveals a new pathway for cells to regulate DNA replication, which is essential for maintaining genome stability.

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.

Preventive measure during procedures using contrast material unnecessary

Researchers at Maastricht University Medical Center found that omitting standard intravenous hydration during contrast material procedures for patients with compromised renal function has no added value and may even lead to negative consequences. Omitting this treatment could prevent complications and save millions of euros in care costs.

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.

Trilobite eggs in New York

Researchers have discovered the first occurrence of in situ preserved trilobite eggs from the Lorraine Group in upstate New York. The eggs are spherical to elliptical in shape and nearly 200 micrometers in size, providing valuable insights into the reproductive biology of ancient arthropods.

NASA-funded balloon recovered a year after flight over Antarctica

A NASA-funded balloon carrying a telescope was left on the ice in Antarctica for a year before its instruments were recovered. The GRIPS project studied high-energy particles generated by solar flares, with findings providing new insights into these giant eruptions on the sun.

Almost 4 decades later, mini eyeless catfish gets a name

A newly described species of mini eyeless catfish, Micromyzon orinoco, has been officially named after being caught in the Orinoco River. The tiny fish, less than an inch long, was discovered by Drexel University scientists who compared existing species and collaborated with international experts.

New role of cholesterol in regulating brain proteins discovered

Researchers have found that cholesterol can regulate the activity of the adenosine receptor by accessing its active site, potentially leading to new treatments for diseases such as Alzheimer's. This discovery could also have implications for other central nervous system diseases where GPCRs play a key role.

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.

Why is pancreatic cancer so hard to treat? Stroma provides new clues

Researchers discovered two distinct fibroblast subtypes in the dense tumor-enveloping stroma of pancreatic ductal adenocarcinoma, which may be precisely targeted to improve treatment response. The first subtype produces high levels of alpha smooth muscle actin and is adjacent to neoplastic tumor cells.

AAV gene delivery vectors and cancer -- The debate continues

New research concludes that AAV vectors used in gene therapy do not increase the risk of cancer and may even have anti-tumorigenic properties. The study's authors review biomedical evidence showing that AAV2 can negatively impact other viruses associated with malignancy.

Lack of training contributes to burnout, survey of preschool teachers finds

A recent study by University of Missouri researchers found that over 75% of preschool teachers want more training opportunities due to their current lack of support. The survey also revealed that many teachers experience significant stress and feel like leaving their jobs due to challenging behaviors in the classroom.

Saturn's rings viewed in the mid-infrared show bright Cassini Division

Researchers measured Saturn's ring brightness and temperatures using Subaru Telescope images. The Cassini Division and C ring appeared brighter in mid-infrared due to thermal emission from warmer particles. However, seasonal changes in the ring opening angle caused variations in their apparent brightness.

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.

Playing favorites: Brain cells prefer one parent's gene over the other's

A new study from the University of Utah School of Medicine shows that brain cells often activate one copy of a gene over the other's, breaking basic genetic principles. This finding suggests new ways in which genetic mutations might cause brain disorders, including mental illness and intellectual disability.

Eight a day is clearly best for the heart

A comprehensive study published in the International Journal of Epidemiology found that eating more fruits and vegetables reduces the risk of heart disease, stroke, cancer, and premature death. The researchers estimated that 7.8 million deaths could be prevented each year if people ate 800g of fruit and vegetables daily.

Who sweats more: Men or women?

A study published in Experimental Physiology found that body size, not sex, determines how people lose heat during exercise in warm conditions. The research involved 36 men and 24 women who underwent light and moderate exercise trials at controlled temperatures.

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.

Psychiatric illness may increase stroke risk

Research found that patients with depression, anxiety, PTSD, or other psychiatric disorders have an increased risk of stroke, especially in the immediate post-diagnosis period. The study's lead researcher suggests that psychological distress may contribute to increased blood pressure and inflammation, leading to a higher stroke risk.

The role of weight in postmenopausal women's longevity

A large multiethnic study found that being underweight increases early death risk among postmenopausal women. Higher waist circumference, but not excess weight, is associated with premature mortality, highlighting the dangers of abdominal fat.

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.

Ball-rolling bees reveal complex learning

Researchers at Queen Mary University of London trained bumblebees to roll a mini-ball into a goal, demonstrating unprecedented learning abilities. The study found that bees learned more efficiently when observing a skilled demonstrator, suggesting complex cognitive flexibility.