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Science News Archive March 2017


Page 26 of 41

How to get kids to use salad bars in public schools

A Brigham Young University researcher found that exposure to good marketing boosts salad bar usage among teens. Students who live with parents serving healthy foods at home are also more likely to eat from salad bars in school.

New research urges a rethink on global energy subsidies

Global energy subsidies have substantial social welfare and economic costs, particularly for the poorest households. Repealing these subsidies could provide enough money to eliminate worldwide hunger and malnutrition multiple times over.

Fluke 87V Industrial Digital Multimeter

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

Researchers offer overview of composite metal foams and potential applications

Researchers at North Carolina State University have developed composite metal foams with enhanced properties, including reduced armor-piercing bullet penetration and effective radiation shielding. The new data provides a comprehensive overview of the materials' performance in various tests, including high-speed impacts and cyclic loading.

The controversial origin of a symbol of the American west

New research identifies the oldest bison fossils and constructs a bison genealogy establishing that a common maternal ancestor arrived in North America. The study clarifies the earliest parts of the bison family tree using ancient DNA extraction and sequencing techniques.

Looming crisis of the much decreased fresh-water supply to Egypt's Nile delta

The Nile Delta, a vital breadbasket for Egypt, is at risk of serious water scarcity due to human activities and the upcoming completion of Ethiopia's Grand Ethiopian Renaissance Dam. The delta's soil-rich areas are being eroded by Mediterranean coastal currents and experiencing compaction, leading to subsidence and sea-level rise.

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.

Profiting from the fight against corruption

Researchers at HEC Montréal found that cooperative civil society organizations can increase government payoffs, as they become more efficient and allocate time to productive activities. This surprising finding suggests that corruption can be a net positive for governments.

Are military physicians ready to treat transgender patients?

A survey of military physicians found most lacked formal training on transgender care, had not treated patients with gender dysphoria, and were insufficiently trained to prescribe cross-hormone therapy. The study highlights the need for greater medical training in transgender care among military physicians.

Mystery of memory cells answered through mouse study

A new study has identified a critical molecular mechanism that operates in memory T cells, which could be manipulated to produce and maintain more memory T cells. This finding could lead to improved vaccinations and cancer immunotherapies by enhancing the production of memory T cells.

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.

Spin-resolved oscilloscope for charge and spin signals

The Tokyo Institute of Technology and Nippon Telegraph and Telephone Corporation have developed a spin-resolved oscilloscope to measure charge and spin signals. The device enables the observation of spin-charge-separation processes, paving the way for future plasmonics and spintronics applications.

Star discovered in closest known orbit around black hole

Astronomers have found evidence for a star orbiting a black hole at an unprecedented distance, about twice an hour. The close-in binary system, located 14,800 light years from Earth, provides valuable insights into the behavior of black holes and their companion stars.

Thirsty mangroves cause unprecedented dieback

Researchers found unprecedented dieback of 7400 hectares of mangroves in the Gulf of Carpentaria due to prolonged drought, record-breaking heatwaves, and a 20cm sea level drop. This discovery highlights mangroves' vulnerability to climate change and extreme weather events.

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.

A kiss of death to drug the 'undruggable'

Researchers have found a way to selectively degrade proteins that are difficult to target with drugs, using a small molecule approach that binds to neutralizing agents. The discovery provides a paradigm shift in targeting 'undruggable' proteins and offers new hope for cancer treatment and drug development.

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.

Nursery product-related injuries on the rise among young children

A new study from Nationwide Children's Hospital found that nursery product-related injuries are increasing, with nearly 25% more incidents in the last 8 years. Parents can reduce risks by following the 4 Rs: researching products, checking for recalls, registering products, and reading manuals.

Study questions benefits of long-term use of ADHD medications

A recent study following over 500 children with ADHD into adulthood found that extended stimulant medication use is associated with suppressed adult height but not reduced symptoms of ADHD. The findings suggest a trade-off between symptom-related benefits and growth-related costs of long-term treatment.

Dramatic improvement in surface finishing of 3-D printing

Researchers at Waseda University have developed a new 3D Chemical Melting Finishing (3D-CMF) method that improves surface texture and structural rigidity while reducing waste and cost, making it suitable for home 3D printing. The process uses a tool to selectively apply solvent to specific parts of the printed piece.

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.

Highly pathogenic A(H7N9) virus mutation does not change risk to humans

The European Centre for Disease Prevention and Control (ECDC) has found no evidence of increased transmissibility or sustainable human-to-human transmission of the highly pathogenic A(H7N9) virus. New genetic mutations have been detected, but their impact on poultry and human risk remains unclear.

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.

A perfect storm of fire and ice may have led to snowball Earth

Researchers propose that massive volcanic eruptions 717 million years ago led to a perfect storm of fire and ice, causing the largest glaciation event in Earth's history. The eruptions released sulfur dioxide into the atmosphere, blocking solar radiation and driving the formation of ice.

First physiological test for schizophrenia and depression

Researchers have identified a new way to distinguish between schizophrenia and depression using proteins in nerve cells. The method measures the level of hormone arginine-vasopressin (AVP) released in response to salt solution, which can indicate NMDA receptor signalling. This test may lead to earlier and more accurate diagnoses, as we...

Atomic map gives malaria drug new lease on life

Researchers have created a detailed atomic map of the frontline antimalarial drug mefloquine, showing how its structure could be tweaked to increase effectiveness. The study aims to create a more targeted and safer treatment by redesigning the drug's molecular machinery.

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.

Terahertz wave -- evaluate emergency measures during red alert period

A terahertz wave study in Beijing found that high PM2.5 concentrations were related to larger absorption at selected frequencies, and the information gained by EM was effective in relieving haze pollution. The study also identified differences in sulfate types during red alert periods compared to normal conditions.

Supplemental fat not necessary when canola meal is fed to weanling pigs

A new study from the University of Illinois shows that high protein canola meal contains glucosinolates, which reduce diet palatability and affect growth performance. Pigs fed diets containing conventional canola meal had greater final body weight, average daily gain, and average daily feed intake than those fed high protein canola meal.

Meta Quest 3 512GB

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

Pain in the neck

Researchers have discovered a way to curb chronic pain by modulating genes that reduce tissue- and cell-damaging inflammation. This technique uses the CRISPR system to protect cells from inflammation, preventing tissue degeneration and pain.

Simultaneous detection of multiple spin states in a single quantum dot

Osaka University researchers have successfully detected multiple spin states of a single quantum dot in real time, opening the door to more efficient quantum computing. The team used a quantum point contact charge sensor to distinguish between singlet and triplet spin states, enabling the detection of three two-electron spin states.

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.

For hospitalized patients, spending more on care doesn't buy better health

Research found that individual physicians' spending patterns have a limited impact on patient outcomes, with no difference in readmissions or mortality rates between low- and high-spending physicians. The study analyzed data from Medicare patients aged 65 and older who were hospitalized for nonelective conditions between 2011 and 2014.

New application of THz technique on water evaluation in crude oil

Researchers developed a novel method using Terahertz spectroscopy and 3D-printing technology to measure water content in crude oil with high accuracy. The technique can be used to continuously monitor moisture content and is suitable for applications even during high-water-bearing periods.

Apple iPhone 17 Pro

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

Looking for 'fingerprints' at the intersection of weather and climate

Researchers from Yale University and the Centre for Mathematical Sciences created a mathematical framework to explain phenomena where climate processes interact with daily weather. This new framework helps understand how seasonal variability affects predictability and public safety.

3+ hours daily screen time linked to diabetes risk factors for kids

Research published in Archives of Disease in Childhood found a strong association between daily screen time of 3+ hours and increased risk factors for type 2 diabetes in children, including adiposity and insulin resistance. The study suggests that reducing screen time may be beneficial in reducing these risk factors.

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.

Cellular 'garbage disposal' has another job

Researchers discovered proteasomes embedded in nerve cell membranes, degrading proteins and expelling peptides that carry essential signals. This finding suggests a new role for proteasomes in cell-to-cell communications and raises questions about neurological disease.

Research partnership to transform Mexico's hydrocarbon sector

A $14-million research collaboration aims to improve understanding of how oil and gas flows in naturally fractured reservoirs, crucial for maximizing production and sustainability. The partnership will apply new technologies, including 3-D printing, to study geomechanical processes impacting fluid flow.

Creation of highly magnetic material could improve computer technologies

Researchers at the University of Bristol have developed a highly magnetic material made from nickel-based polymer that can be easily created and destroyed using temperature changes. This discovery has significant implications for improving data storage applications and enhancing computer technology performance.

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.

How to brew high-value fatty acids with brewer's yeast

Goethe University Frankfurt scientists create high-value short-chain fatty acids from sugar with brewer's yeast, suitable for cosmetics, pharmaceuticals, and fuels. The new technology has the potential to replace fossil fuels with yeasts-based biofuels.