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Science News Archive April 2017 - Page 14


Page 14 of 37

ILC 2017: New EASL clinical practice guidelines on the management of hepatitis B virus

The updated EASL guidelines provide new definitions of disease phases to guide clinicians on treatment indications. The guidelines also expanded indications for initiating treatment to prevent mother-to-child transmission and offer clear cut recommendations for special patient populations. The main goal of therapy is to improve surviva...

SourceEuropean Association for the Study of the Liver·JournalJournal of Hepatology·DateApr 20, 2017

New insights may help protect against snake venom toxicity

Scientists have identified the specific protein targeted by snake venom that causes cells to detach and induce internal bleeding. Animals resistant to snake venom, such as opossums and camels, possess a variation of this protein that may provide protective benefits.

SourceWiley·JournalFEBS Journal·DateApr 20, 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.

Study overturns seminal research about the developing nervous system

Scientists at UCLA's Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research have discovered a new role for netrin1 in organizing axon growth during embryonic development. The study reveals that netrin1 acts locally, guiding axons to form a normal functioning nervous system.

SourceUniversity of California - Los Angeles Health Sciences·JournalNeuron·DateApr 20, 2017

Stink bug traps perform poorly during winter invasions

Researchers found that traps baited with pheromone attract only a small fraction of overwintering stink bugs, which don't respond until daylight hours increase. Prevention is key to stopping brown marmorated stink bug invasions, and the use of traps during this time may not be effective.

SourceEntomological Society of America·JournalJournal of Economic Entomology·DateApr 20, 2017

Just breathe: Mindfulness may help freshman stress less and smile more

A mindfulness training program for first-year college students resulted in significant increases in life satisfaction and a decrease in depression and anxiety. The program, called Just BREATHE, was associated with improved stress management skills and increased recommendations to friends.

SourcePenn State·JournalJournal of American College Health·DateApr 20, 2017

Building a better battery

A University of Houston graduate student has been awarded a NASA fellowship to identify new materials for next-generation batteries. He plans to use a combined computational and experimental approach to investigate solid-state electrolyte materials for lithium batteries.

SourceUniversity of Houston·DateApr 20, 2017
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.

Engagement with natural environment a significant contributor to life satisfaction

Research at Oregon State University found that mechanisms for engaging nature significantly contribute to overall well-being, including trust in governance, access to wild resources, and outdoor recreation. The study of over 4,400 respondents demonstrated a positive correlation between these factors and life satisfaction.

SourceOregon State University·JournalJournal of Environmental Psychology·DateApr 20, 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.

Research underlines positive impact of press freedom on stock markets

A study by University of Luxembourg researchers found that press freedom positively impacts stock market volatility, leading to greater economic growth. Countries with high press freedom experience more frequent price jumps, but ultimately benefit from improved information processing and decision-making.

SourceUniversity of Luxembourg·JournalEconomic Systems·DateApr 20, 2017

Science is core to saving wildlife

The Wildlife Conservation Society emphasizes the importance of science in wildlife conservation, citing numerous examples including the prevention of American Bison extinction and forest elephant population recovery. Science informs their work through research papers, protected areas establishment, and policy development.

SourceWildlife Conservation Society·DateApr 19, 2017

Women more sensitized than men to metal used in joint replacement

A study published in The Journal of Bone & Joint Surgery found that women are more likely to experience hypersensitivity to metals used in joint replacements, leading to increased pain and complications. Women accounted for 60% of patients with unexplained pain after joint replacement, with higher average pain scores than men.

SourceWolters Kluwer Health·JournalJournal of Bone and Joint Surgery·DateApr 19, 2017
Apple iPhone 17 Pro

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

Keeping tabs on tau to track neurodegenerative disorder progression

Researchers have discovered an antibody that can detect tau in the serum of patients with tauopathies, a neurodegenerative disorder characterized by toxic protein clumps. The antibody, HJ8.5, has shown promise in increasing tau levels in human patients and mouse models, potentially paving the way for new treatments.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Translational Medicine·DateApr 19, 2017

Graphene and gold make a better brain probe

Researchers developed flexible graphene and gold probes that can detect weak brain signals clearly, improving neural disease treatment and brain-machine interface capabilities. The new probes retain effective surface area despite shrinking size, paving the way for more convenient wireless versions.

SourceDGIST (Daegu Gyeongbuk Institute of Science and Technology)·JournalACS Applied Materials & Interfaces·DateApr 19, 2017

Personalized workouts to prevent heart disease designed by new digital instrument

The EXPERT tool generates personalized exercise programs for patients with different combinations of cardiovascular risk factors or diseases. The tool takes into account various goals, including reducing blood glucose, fat mass, and blood pressure in patients with diabetes, hypertension, and obesity.

SourceEuropean Society of Cardiology·JournalEuropean Journal of Preventive Cardiology·DateApr 19, 2017

Immature spinner dolphin calf SCUBA tanks spell disaster in tuna fisheries

Research shows that ocean-going spinner dolphin calves do not develop physical characteristics essential for sustaining deep dives as quickly as shallow-diving coastal species. This slow development may lead to mother-calf separations during tuna purse-seine fisheries, posing a significant threat to dolphin populations.

SourceThe Company of Biologists·JournalJournal of Experimental Biology·DateApr 19, 2017
Fluke 87V Industrial Digital Multimeter

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

Study on mice demonstrates the action of strawberries against breast cancer

A study published in Scientific Reports found that strawberry extract inhibited the proliferation of breast cancer cells in both in vitro and in vivo models. The extract reduced cell viability, blocked cell division, and inhibited migration, while also stimulating the expression of a gene that suppresses metastasis.

SourceSpanish Foundation for Science and Technology·JournalScientific Reports·DateApr 19, 2017

Astronomers perform largest-ever survey of high-mass binary star systems

Researchers have discovered and characterized 82 massive binary star systems in the Tarantula Nebula, a satellite galaxy of the Milky Way. The study provides new insights into the properties of these systems, which are expected to play a crucial role in shaping the chemical evolution of the universe.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·DateApr 19, 2017

Fewer exams and better eye health? Aye-aye, finds type 1 diabetes study

Researchers analyzed 24,000 retinal exams to develop a new screening schedule for people with type 1 diabetes. The findings suggest that adjusting the frequency of eye screenings based on risk could lead to lower costs and quicker diagnosis and treatment of advanced retinopathy.

SourceNIH/National Institute of Diabetes and Digestive and Kidney Diseases·JournalNew England Journal of Medicine·DateApr 19, 2017

Ben-Gurion U. researchers develop membranes that remove viruses from drinking water

Ben-Gurion University researchers have developed novel ultrafiltration membranes that significantly improve virus-removal from treated municipal wastewater used for drinking. The new approach uses a special hydrogel coating to repel viruses, leading to a higher rate of removal and improved public safety in water-scarce cities.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalWater Research·DateApr 19, 2017
Celestron NexStar 8SE Computerized Telescope

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

Amino acids in diet could be key to starving cancer

Researchers found that removing serine and glycine from the diet of mice slowed lymphoma and intestinal cancer development. The special diet also made some cancer cells more susceptible to reactive oxygen species, which could boost conventional treatments' effectiveness. Next steps include clinical trials with cancer patients.

SourceCancer Research UK·JournalNature·DateApr 19, 2017

Identical twins; not-so-identical stem cells

Researchers found that even though iPSCs derived from identical twins have the same genes, they have distinct epigenetic markers, particularly near MYC binding sites. This discovery helps scientists better understand the processes involved in reprogramming cells and the differences between iPSCs and ESCs.

SourceSalk Institute·JournalCell Stem Cell·DateApr 19, 2017

Students may forget relevant information in order to protect their own psyches

A UCLA-led study found that students who experienced high levels of stress in a college mathematics course were more likely to forget the material. The phenomenon, called 'motivated forgetting,' is thought to be a defense mechanism to protect one's self-image as an excellent mathematician.

SourceUniversity of California - Los Angeles·JournalJournal of Educational Psychology·DateApr 19, 2017

Review highlights why animals have evolved to favor one side of the brain

A recent review explores why animals favor one side of the brain, highlighting perceptual specialization, motor specialization, and parallel processing. The research also sheds light on environmental influences and genetic aspects of asymmetrical development, potentially providing insight into brain conditions in humans.

SourceCell Press·JournalNeuron·DateApr 19, 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.

High-speed images capture archer fish's rocket-like launch

MIT engineers detailed the hydrodynamics of archer fish's jump, revealing its unique propulsion system. The study aims to improve underwater vehicle design and could lead to the development of spyhopping vehicles.

SourceMassachusetts Institute of Technology·JournalJournal of Experimental Biology·DateApr 19, 2017

SLU researcher hones in on plaque-causing protein in ALS and dementia

Yuna Ayala's research team discovers how TDP-43 protein causes damaging plaque buildup in neurodegenerative diseases like ALS and frontotemporal dementia. They found that phosphorylation regulates TDP-43's activity, location, and processing, which may be crucial for cellular metabolism.

SourceSaint Louis University·JournalJournal of Biological Chemistry·DateApr 19, 2017

Nutrient offers hope to stop deadly march toward cirrhosis, liver cancer

A new study found that supplements of DHA, an essential omega-3 fatty acid, can prevent the progression of nonalcoholic steatohepatitis (NASH) into more serious health problems like cirrhosis and liver cancer. This breakthrough discovery offers hope to millions of people worldwide who struggle with obesity and poor diet.

SourceOregon State University·JournalPLOS ONE·DateApr 19, 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.

More than recess: How playing on the swings helps kids learn to cooperate

Researchers at the University of Washington found that swinging in unison enhances cooperation in preschoolers, enabling them to adapt to situations and work towards common goals. This study suggests that simple movements like swinging can create a sense of 'being like' another child, encouraging communication and teamwork.

SourceUniversity of Washington·JournalJournal of Experimental Child Psychology·DateApr 19, 2017

Children at greater risk for complications from brown recluse spider bites

Brown recluse spider bites can cause severe illness in children, including blood clotting disorder and hemolysis. Children and African-Americans may be at higher risk for developing systemic loxoscelism, a potentially life-threatening condition that requires hospitalization and supportive treatment.

SourceVanderbilt University Medical Center·JournalPLOS ONE·DateApr 19, 2017
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Making artificial blood for transfusions

A promising artificial blood substitute has been developed using modified hemoglobin, effectively carrying oxygen and scavenging free radicals. The novel approach packaging hemoglobin in a benign envelope overcomes toxicity issues with traditional chemically modified hemoglobin.

SourceAmerican Chemical Society·JournalBiomacromolecules·DateApr 19, 2017

First evidence for higher state of consciousness found

A recent study by the University of Sussex has discovered evidence for a 'higher' state of consciousness in individuals under the influence of psychedelic drugs. The researchers used brain imaging technology to measure neural signal diversity, finding a sustained increase compared to normal waking states.

SourceUniversity of Sussex·JournalScientific Reports·DateApr 19, 2017

Increased funding for geriatrics education essential, study

A study highlights the importance of increased funding for geriatrics education, citing a vital need for dedicated time and financial support. The Geriatrics Academic Career Awards (GACAs) program played a crucial role in training over 41,000 health professionals since 1998.

SourceAmerican Geriatrics Society·JournalJournal of the American Geriatrics Society·DateApr 19, 2017
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.

Closer look at brain circuits reveals important role of genetics

Scientists at The Scripps Research Institute found that neurons can form networks independently of synaptic activity, suggesting genetic programs control neural circuit assembly. These findings were confirmed by a complementary study at the Max Planck Institute for Experimental Medicine.

SourceScripps Research Institute·JournalNeuron·DateApr 19, 2017

Study defines thunderstorm asthma epidemic conditions

A new study from University of Georgia researchers aims to identify wind magnitudes commonly associated with thunderstorm asthma outbreaks. By cross-referencing forecast modeling tools, the study may help anticipate significant thunderstorms and alert public health officials about potential triggers.

SourceUniversity of Georgia·JournalJournal of Applied Meteorology and Climatology·DateApr 19, 2017

Sociable crayfish get drunk more easily than loners

Research by Herberholz and colleagues found that isolated crayfish are less sensitive to the effects of alcohol than gregarious animals. The study suggests that social experience can impact the sensitivity to acute alcohol exposure.

SourceThe Company of Biologists·JournalJournal of Experimental Biology·DateApr 19, 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.

The foundations of parenting

Researchers found that different genes influence behaviors in males and females, and the gene for vasopressin is closely tied to nest-building behavior in mice. The study challenges the idea that experience drives parenting behavior and suggests that genetics play a significant role.

SourceHarvard University·JournalNature·DateApr 19, 2017

Fish cooperate for selfish reasons

African cichlid fishes evolved cooperative societies primarily due to fear of predators, which reduced their chances of being eaten. This alternative path to cooperation differs from other vertebrates, where relatedness is a key factor.

SourceStockholm University·JournalNature Ecology & Evolution·DateApr 19, 2017

Moisture played a role in megafaunal extinctions

A recent study published in Nature Ecology and Evolution reveals that rising moisture levels may have contributed to the extinction of giant herbivores approximately 10,000 years ago. Researchers analyzed carbon and nitrogen isotopes in ancient animal bones to infer climate conditions and dietary habits of the megafauna.

SourceUniversity of Alaska Fairbanks·JournalNature Ecology & Evolution·DateApr 19, 2017
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.

Ocean current dumps plastic in remote Arctic waters

A new study confirms that the Arctic Ocean is a dead-end for plastics in the North Atlantic, with high levels found in seas east of Greenland and north of Scandinavia. The research emphasizes the importance of managing plastic litter at its source to prevent unpredictable destinations.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateApr 19, 2017

Research paves way for improved colorectal cancer test

Researchers have identified specific types of bacteria that are abundant in individuals with colorectal cancer. Using a combination of markers, scientists anticipate the development of a noninvasive, sensitive clinical diagnostic test. The study confirms previously reported bacteria and identifies new ones associated with the disease.

SourceBaylor College of Medicine·JournalGut·DateApr 19, 2017

Broad advance from TSRI chemists dramatically simplifies olefin synthesis

Researchers at TSRI have developed a decarboxylative alkenylation method that turns carboxylic acids into olefins in relatively few steps, enabling the discovery and development of new drugs and chemical products. This approach simplifies traditional methods, allowing for better control over molecule geometry and synthesis logic.

SourceScripps Research Institute·JournalNature·DateApr 19, 2017

The tale teeth tell about the legendary man-eating lions of Tsavo

A study by Vanderbilt University researchers reveals that man-eating lions' actions were not driven by desperation, but rather a solution to a problem. The analysis found that the lions' teeth showed wear patterns similar to those of zoo lions fed soft foods.

SourceVanderbilt University·JournalScientific Reports·DateApr 19, 2017
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.

Childhood adversity linked to increased suicide risk in adolescence

Exposure to childhood adversities such as parental psychiatric disorder and death in the family increases the risk of suicide in adolescence and young adulthood. A study of 548,721 individuals found that those exposed to two or more adversities had a markedly increased risk of suicide.

SourceBMJ Group·JournalThe BMJ·DateApr 19, 2017

A better life in the outback

New research suggests that Australia's desert region has huge potential for growth and development, particularly with investments in renewable energy, housing, and transport. The team aims to create a more livable and prosperous area for existing and new residents, in concert with the preferred lifestyles of Aboriginal peoples.

SourceInderscience Publishers·JournalInternational Journal of Sustainable Development·DateApr 19, 2017

Adherence to high-intensity statin drops-off for many following heart attack

A substantial proportion of patients prescribed high-intensity statins following a heart attack do not continue taking the medication. High-intensity statin adherence decreases over time, especially among African American and Hispanic patients and those without Medicare/Medicaid coverage or cardiologist visits.

SourceJAMA Network·JournalJAMA Cardiology·DateApr 19, 2017