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Science News Archive December 2016 - Page 11


Page 11 of 32

This GI test could help patients avoid a hospital stay

A new study published in Gastrointestinal Endoscopy found that capsule endoscopy can effectively rule out active upper GI bleeding or high-risk lesions in patients presenting with symptoms of possible UGIB. This reduces unnecessary hospital admissions and improves patient outcomes.

SourceAmerican Society for Gastrointestinal Endoscopy·JournalGastrointestinal Endoscopy·DateDec 16, 2016

Turning therapeutic antibodies inside-out to fight cancer

Researchers at UCR developed therapeutic monoclonal antibodies that selectively block the action of faulty matrix metalloproteinases (MMPs), targeting cancer cell spread. Inspired by camelid antibodies, these human antibodies have convex binding sites ideal for interactions with concave MMP sites.

SourceUniversity of California - Riverside·JournalProceedings of the National Academy of Sciences·DateDec 16, 2016
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.

Simulation method helps combat climate change, boost energy supply

Researchers at Kyushu University have developed a new simulation method to predict the behavior of oil, carbon dioxide, and water in underground reservoirs. The approach can help identify optimal sites for carbon sequestration, which could significantly increase energy supply and combat climate change.

SourceKyushu University, I2CNER·JournalWater Resources Research·DateDec 16, 2016

World's smallest radio receiver has building blocks the size of 2 atoms

Researchers have created a tiny radio receiver using atomic-scale defects in pink diamonds, enabling it to operate in harsh environments and human bodies. The device uses nitrogen-vacancy centers, which can emit single photons or detect weak magnetic fields.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalPhysical Review Applied·DateDec 16, 2016

New bioinformatics tool tests methods for finding mutant genes that 'drive' cancer

Researchers at Johns Hopkins University have developed a new bioinformatics tool to evaluate the accuracy of current methods for identifying cancer-promoting mutations. The study found that existing methods need improvement and shared their methodology publicly to aid others in developing more precise ways to target tumor growth.

SourceJohns Hopkins University·JournalProceedings of the National Academy of Sciences·DateDec 16, 2016
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.

Rice, Baylor team sets new mark for 'deep learning'

A new 'deep rendering mixture model' enables computers to learn about the visual world largely on their own, using a semisupervised learning method. The algorithm achieved higher accuracy than previous methods in distinguishing handwritten digits, even with limited training examples.

SourceRice University·DateDec 16, 2016

Certain high blood pressure drugs block cancer invasion

Researchers have identified a new way of blocking cancer cell invasion using calcium channel blockers, which can stop breast and pancreatic cancer from spreading. The team discovered that these drugs target the sticky finger-like structures on cancer cells, rendering them inactive.

SourceUniversity of Turku·JournalNature Communications·DateDec 16, 2016

A cure for social anxiety disorders

A recent study published in Psychotherapy and Psychosomatics shows that cognitive therapy on its own has a much better effect over the long term than just drugs or a combination of the two. Nearly 85% of patients improved or became healthy using only cognitive therapy.

SourceNorwegian University of Science and Technology·JournalPsychotherapy and Psychosomatics·DateDec 16, 2016

Carbon dots dash toward 'green' recycling role

Researchers at Rice University have discovered a simple way to recycle waste carbon dioxide into valuable fuel using nitrogen-doped graphene quantum dots. The dots proved nearly as efficient as copper in converting CO2 into small batches of ethylene and ethanol, with the ability to keep their catalytic activity for a long time.

SourceRice University·JournalNature Communications·DateDec 16, 2016

Guards of the human immune system unraveled

Researchers characterized dendritic cells across different human organs, revealing constant surface profiles and tissue-specific signals. The study sheds light on the development of new immune therapies and cancer treatments.

SourceUniversity of Bonn·JournalScience Immunology·DateDec 16, 2016
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.

Bacteria control levels of dangerous pollutant in seabirds

Bacteria play a crucial role in determining the health of birds at the top of the food web. Seabirds feeding in areas rich in sulfate-reducing bacteria have high levels of mercury. This study suggests that bacteria provide a buffer to variation in mercury within the environment.

SourceMcGill University·JournalEnvironmental Science & Technology·DateDec 16, 2016

Graffiti for science

Researchers from GFZ GeoForschungsZentrum Potsdam developed a new method called 'erosion painting' to visualize erosion rates. By applying paint patterns on rock surfaces and monitoring their removal over time, scientists can analyze the spatial distribution and intensity of erosive processes.

SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalEarth Surface Dynamics·DateDec 16, 2016

Gastric cancer fueled by 'crosstalk' between nerves and cancer cells

Researchers found that nerve growth factor and tuft cells stimulate gastric tumor growth through aberrant cholinergic signaling, providing a potential therapeutic target for stomach cancer. Blocking nerve growth factor receptor inhibited stomach cancer growth in mice.

SourceColumbia University Irving Medical Center·JournalCancer Cell·DateDec 15, 2016

Biodegradable polymer coating for implants

For the first time, a biodegradable polymer coating has been synthesized using chemical vapor deposition, addressing a long-standing gap in degradable implant coatings. The coating's degradation rate can be controlled by adjusting the ratio of monomer types and side groups.

SourceKarlsruher Institut für Technologie (KIT)·JournalAngewandte Chemie·DateDec 15, 2016
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.

Cellular reprogramming slows aging in mice

Researchers used partial cellular reprogramming to reduce signs of aging and extend lifespan in mice with premature aging mutations. The approach altered epigenetic changes, suggesting that aging is a plastic process.

SourceCell Press·JournalCell·DateDec 15, 2016

USDA awards $3.4 million for research to increase wheat yields

The USDA has awarded $3.4 million to seven research projects aimed at developing new wheat varieties with improved yield and adaptability to different regions. These grants will support international collaboration on wheat research and help meet growing demand for wheat worldwide.

SourceNational Institute of Food and Agriculture·DateDec 15, 2016

SLU research: Silencing fat protein improves obesity and blood sugar

Researchers at Saint Louis University found that silencing a protein in liver and adipose tissue significantly improves blood sugar levels and reduces body fat in animal models. This breakthrough could lead to new treatments for insulin-resistant obese or overweight patients.

SourceSaint Louis University·JournalJournal of Lipid Research·DateDec 15, 2016
Apple iPhone 17 Pro

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

Avoiding over-the-counter heartburn meds could save cancer patients' lives

A University of Alberta study found that proton pump inhibitors (PPIs) decrease capecitabine's effectiveness in gastric cancer treatment, reducing progression-free survival by over a month and overall survival by two months. PPIs can also affect colorectal cancer treatment efficacy.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalJAMA Oncology·DateDec 15, 2016

Gene editing takes on new roles

Researchers have combined CRISPR gene editing with single-cell genomic profiling to understand nuanced cellular processes. The new technology enables precise manipulation of genes in individual cells, revealing previously unknown functions and advancing the field of genetic engineering.

SourceWeizmann Institute of Science·JournalCell·DateDec 15, 2016

Breast cancer study predicts better response to chemotherapy

A new study from Lund University found that women with a high expression of the ER-beta estrogen receptor in their tumours had better outcomes after undergoing chemotherapy. The research could lead to more frequent check-ups and additional treatment for high-risk patients.

SourceLund University·JournalClinical Cancer Research·DateDec 15, 2016

Hormonal contraception is safer than expected for women with diabetes

A new study published in Diabetes Care shows that IUDs and subdermal implants are the safest hormonal contraceptives for women with diabetes, with low rates of thromboembolic events. The findings expand pregnancy planning options for this population, encouraging physicians to offer these effective and safe birth control methods.

SourceUniversity of California - Davis Health·JournalDiabetes Care·DateDec 15, 2016
Meta Quest 3 512GB

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

Using brands to vent relationship frustration

A study by researchers found that people in low relationship power situations vent their frustrations through buying opposite-brand products, such as switching from Diet Coke to Pepsi. This behavior is more effective than doing nothing or expressing frustration openly.

SourceSociety for Consumer Psychology·JournalJournal of Consumer Psychology·DateDec 15, 2016

New Mekong River initiative will highlight values of biodiversity, ecosystems

The University of Nevada, Reno's Global Water Center is launching a new 5-year initiative to preserve the Mekong River's biodiversity and ecosystem. The project aims to study the river's climate, hydrology, and biodiversity, build partnerships for sustainable development, and educate communities about the importance of a healthy Mekong.

SourceUniversity of Nevada, Reno·DateDec 15, 2016

First experimental evidence of 3-D aromaticity in stacked antiaromatic compounds

Researchers at Nagoya University have synthesized stable antiaromatic nickel norcorroles and investigated their interactions, revealing face-to-face interactions that form a triple-decker structure with aromatic characteristics. The resulting materials exhibit nonlinear optical properties and potential applications in optoelectronics.

SourceNagoya University·JournalNature Communications·DateDec 15, 2016
Fluke 87V Industrial Digital Multimeter

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

Attractive drug candidate identified to target glioma brain tumors

A new biomarker enzyme ALDH1A3 has been identified in mesenchymal glioma stem-like cells, which are responsible for the tumorigenicity of glioblastoma multiforme tumors. The researchers have developed a small molecule inhibitor GA11 that targets this enzyme and has shown potent efficacy in preclinical testing.

SourceUniversity of Alabama at Birmingham·JournalCancer Research·DateDec 15, 2016

Neurons anticipate body's response to food and water

Researchers at Beth Israel Deaconess Medical Center discovered that a subset of neurons anticipates the effects of drinking by preparing the body for an influx of water seconds before consumption. This 'top-down' control helps regulate intake and prevent negative consequences.

SourceBeth Israel Deaconess Medical Center·JournalNeuron·DateDec 15, 2016

STEM enrichment activities have no impact on results

Research by Dr Pallavi Amitava Banerjee found that STEM enrichment schemes had no direct impact on math GCSE results. Despite this, the activities aimed to improve student understanding of science and maths, as well as break stereotypes about STEM subjects being only for 'the brainy'.

SourceUniversity of Exeter·JournalOxford Review of Education·DateDec 15, 2016
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.

Astronomers discover dark past of planet-eating 'Death Star'

Researchers have discovered a star that ingested some of its planets, revealing a violent history for the planetary system. The star's composition suggests it devoured four planets, preserving lithium and other elements in its atmosphere.

SourceUniversity of Chicago·JournalAstronomy and Astrophysics·DateDec 15, 2016

Fast track control accelerates switching of quantum bits

Researchers developed a new framework for faster control of a quantum bit, accelerating switching with unprecedented speed. The technique enables less prone to errors in high-speed operation, paving the way for quantum applications like secure communications and simulation of complex systems.

SourceUniversity of Chicago·JournalNature Physics·DateDec 15, 2016
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.

Seizing environmental opportunities under a Trump presidency

Researchers urge environmental movement to proactively seize opportunities under a Trump presidency, citing China and other countries' plans to implement the Paris climate treaty regardless of US involvement. The next four years will be challenging, but proactive action can strengthen the movement beyond the Trump presidency.

SourceUniversity of Queensland·JournalNature·DateDec 15, 2016

Research at Stanford locates absence epilepsy seizure 'choke point' in brain

Researchers at Stanford University School of Medicine used optogenetics to show that inducing synchronized activity in a specific nerve tract within the thalamus is sufficient to cause seizures, while disrupting it can terminate them. This finding may lead to improved ways of reducing or preventing absence seizures in susceptible child...

SourceStanford Medicine·JournalNeuron·DateDec 15, 2016
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.

Zika-linked birth defects more extensive than previously thought, UCLA-led research finds

A recent study published in the New England Journal of Medicine found that Zika-linked abnormalities in human fetuses are more common and severe than initially thought. Out of 125 pregnancies among Zika-infected women, 46% resulted in birth defects or fetal death, with microcephaly being only one of several complications.

SourceUniversity of California - Los Angeles Health Sciences·JournalNew England Journal of Medicine·DateDec 15, 2016

Lung-in-the-lab reveals no DNA damage on exposure to e-cig vapor

E-cigarette vapour exposure has been shown to be genotoxic and cytotoxic in human lung cells at high doses. In contrast, Vype e-cigarette vapour produced no DNA damage even at 28 times the equivalent smoke dose. The findings suggest that e-cigarettes are safer than smoking cigarettes.

SourceR&D at British American Tobacco·JournalToxicology Letters·DateDec 15, 2016

Repurposed drugs may offer improved treatments for fatal genetic disorders

Researchers at the University of Rochester Medical Center have identified a potential new treatment approach for lysosomal storage disorders, which cause disruptions in cellular functioning. The study found that repurposed drugs can overcome toxic build-up in affected cells, improving survival rates and quality of life.

SourceUniversity of Rochester Medical Center·JournalPLOS Biology·DateDec 15, 2016
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.

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.

Taking stock of the world's lakes

The new database provides a comprehensive overview of the world's lakes, with estimates of over 180,000 cubic kilometres of water stored in more than 1.4 million lakes. The study also reveals that lakes in hilly or mountainous regions tend to be deeper than those in flat landscapes.

SourceMcGill University·JournalNature Communications·DateDec 15, 2016

Blocking hormone activity in mosquitoes could help reduce malaria spread

Researchers have discovered a potential new approach to combat malaria by disrupting mosquito hormone signaling, reducing transmission and lifespan, and blocking parasite development. The findings suggest that applying DBH to bed nets or spraying it indoors could be an effective alternative to insecticides.

SourcePLOS·JournalPLOS Pathogens·DateDec 15, 2016
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.

When horses are in trouble they ask humans for help

Research at Kobe University found that horses send signals to humans both visually and physically when faced with unsolvable problems, adapting their behavior based on humans' knowledge. This high social cognitive ability may have been acquired during domestication, enabling horses to form close bonds with humans.

SourceKobe University·JournalAnimal Cognition·DateDec 15, 2016

Neural circuits underlying fly larval locomotion

This review article discusses the neural control mechanisms behind fly larval locomotion, a complex motor behavior shared by both vertebrate and invertebrate species. Key findings from Drosophila models reveal the crucial role of genes in regulating locomotor rhythm and pattern generation.

SourceBentham Science Publishers·JournalCurrent Pharmaceutical Design·DateDec 15, 2016