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Science News Archive September 2017


Page 35 of 39

Blood tumor markers may warn when lung cancer patients are progressing

A University of Colorado study found that blood tumor markers can predict lung cancer progression, allowing for earlier adjustments to treatment plans. Markers were associated with a 10% or greater rise in 53% of patients experiencing cancer progression, but not limited brain progression cases.

Predatory journals a global problem

A massive investigation published in Nature reveals that a majority of papers in suspected biomedical predatory journals are from high or upper-middle income countries. The study analyzed 1,907 research papers and found that top countries publishing in these journals include India, the US, Nigeria, Iran, and Japan.

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.

UCLA biologists slow aging, extend lifespan of fruit flies

In a study on middle-aged fruit flies, researchers found that an intervention targeting mitochondria improved the animals' health while significantly slowing their aging. The technique, developed by UCLA biologists, has potential to delay age-related diseases in humans.

Sleep may help eyewitnesses from choosing innocent suspects

Researchers from Michigan State University found that sleep reduces the likelihood of innocent people being wrongly identified as suspects. When perpetrators are absent from lineups, sleeping eyewitnesses identify innocents 42% of the time, compared to 66% for those who didn't sleep.

GPM satellite probes dangerous category 5 Hurricane Irma

The GPM core observatory satellite passed over Irma on September 5, 2017, revealing intense rainfall within the storm's eyewall. The satellite's radar data showed extremely powerful storms reaching altitudes of over 10 miles, with precipitation rates exceeding 10.8 inches per hour.

Does the organic material of comets predate our solar system?

A recent study published in Monthly Notices of the Royal Astronomical Society reveals that comet nuclei contain 40% organic matter by mass, which was produced in interstellar space before the formation of our solar system. This finding has significant implications for the origin of life on Earth and potentially other planets.

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.

Eighteenth century nautical charts reveal coral loss

A new study using old nautical charts and satellite data found that more than half of the coral reef habitat mapped in the 1770s was no longer there, with some areas experiencing up to 90% loss. The research has important conservation implications and highlights the need for a shifted spatial baseline.

Scratch-and-sniff test could predict Parkinson's even earlier

A study published in Neurology found that a scratch-and-sniff test may predict Parkinson's disease up to six years before diagnosis. The test showed strong links between smell and disease risk for white participants, but weaker associations for black participants. Older men with poor sense of smell were more likely to develop the disease.

Why US battery startups fail -- and how to fix it

A new study investigates why US battery material startups are failing under current venture capital funding models. The authors draw inspiration from the pharmaceutical industry, providing recommendations for entrepreneurs, investors, manufacturers, and policy-makers to improve commercialization chances.

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.

Mislabeled moisturizers create problems for skin disorder sufferers

A Northwestern Medicine study reveals that many 'fragrance-free' and 'hypoallergenic' moisturizers contain allergens, making it difficult for patients to find affordable and safe options. The study found that only 12% of the top-selling moisturizers were free of common skin allergens.

Molecular map shows how to disable dangerous bioweapon

Researchers at Duke University mapped out the complex molecular circuitry of Francisella tularensis, a bacterium that causes tularemia and is considered one of the world's most infectious pathogens. By understanding how the bacteria becomes virulent, scientists can design new drugs to shut down its virulence.

'Vampires' may have been real people with this blood disorder

A genetic mutation in the CLPX gene has been identified as a potential cause of erythropoietic protoporphyria (EPP), a form of porphyria that may have inspired vampire folklore. The discovery highlights the complex genetic network underlying heme metabolism and holds promise for future therapies.

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.

Unraveling a major cause of sea ice retreat in the Arctic Ocean

Quantitative analysis reveals that dark ocean surfaces absorb more light than white ice surfaces, leading to accelerated sea ice melt. The study found a significant correlation between solar heat input and ice melt volume, suggesting that heat input is a major causative factor of melting ice.

New diagnostic tool spots first signs of Parkinson's disease

Researchers have developed a new diagnostic software that can detect Parkinson's disease in its earliest stages, using readily available technologies. The tool records how a person draws a spiral and analyzes the data to calculate the severity of the condition with 93% accuracy.

Apple iPhone 17 Pro

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

Ozone limits at play as EPA, industry and environmental groups weigh in

The US Environmental Protection Agency (EPA) has announced a plan to enforce stricter ozone limits, despite opposition from the chemical industry and some environmental groups. The Clean Air Act allows EPA to review and adjust standards for ozone emissions, which have been linked to smog and respiratory illnesses.

Accretion-powered pulsar reveals unique timing glitch

Researchers have observed a sudden change in rotation speed of SXP 1062, a binary pulsar exhibiting the 'glitch' phenomenon. The discovery provides new constraints on neutron star equation of state and sheds light on the interior dynamics of these compact objects.

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.

A protein that extends life of yeast cells

Researchers at the University of Basel have discovered that the protein Gcn4 decreases protein synthesis and extends the life of yeast cells. This finding opens new ways to control the aging process and its related diseases.

Parkinson's severity assessed through drawing

A team of researchers in Australia developed an automatic system to diagnose Parkinson's disease severity from drawing speed and pen pressure measurements. The system combines these metrics into a single measurement, the Composite Index of Speed and Pen-pressure score, allowing for accurate diagnosis and monitoring of treatment effects.

New immigrants in Germany

A joint research project between universities in Germany will survey 6,000 refugees and other immigrants to understand their characteristics, experiences, and future plans. The study aims to assess how different immigrant groups integrate into German society, including those from EU member states and non-EU countries.

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.

A touch of EroS

Researchers discovered a bacterium that stimulates single-cell saltwater dwellers to form colonies and mate, providing insight into eukaryote-bacterium interactions. The study also revealed the production of chondroitin in primitive organisms, challenging evolutionary timelines.

Fuel economy standards cheaper, more beneficial than previously believed

A new study published in Environmental Science & Technology found that fuel economy standards are not as difficult to meet as previously believed, with potential benefits including lower costs for consumers and automakers. The research also suggests that slightly slower acceleration times can significantly reduce overall emissions.

Synthetic version of popular anticoagulant poised for clinical trials

A synthetic version of low molecular weight heparin, proven safe and effective in preclinical trials, is set to enter clinical trials. The new compound offers several advantages over its natural counterpart, including reduced risk of contamination and improved safety for patients with poor kidney function.

Celestron NexStar 8SE Computerized Telescope

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

Biologists from MSU discovered the carotenoid transfer between 2 proteins

Researchers from MSU have discovered a novel mechanism of carotenoid transfer between two proteins, opening doors for the development of water-soluble protein complexes to deliver antioxidants to cells. This discovery may lead to new therapeutic applications, such as protecting healthy tissue during cancer treatment.

Zinc transporter key to fighting pancreatic cancer and more

Researchers have identified a zinc transporter, ZIP4, that is overexpressed in pancreatic cancer cells, making it a potential target for new drugs. The study reveals the structure of ZIP4's core, which conducts zinc transport, and identifies an unprecedented fold for membrane transporters.

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.

New app could transform music teaching in schools

The Syncphonia app breaks down complex musical pieces into individual parts, allowing students to play in time with the rest of the orchestra without distractions. This approach increases motivation and enjoyment among children, leading to better learning outcomes and a more positive experience for all.

UNH researchers find campus sexual violence significantly affects academics

A new study by UNH researchers reveals that students who experience sexual violence on campus suffer from lower academic efficacy, higher stress, and decreased institutional commitment. The study, which surveyed over 6,400 students, sheds light on the often-overlooked impact of sexual violence on college academics.

Cloud formation suppressed by biogenic organic emissions

Researchers found that biogenic organic emissions from soil and fallen leaves on forest floors can suppress cloud formation. The study reveals a seasonal variation of aerosol activity controlled by the mass ratio of sulfate and water-soluble organics, with increased suppression in autumn.

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.

Curves in all the right places

Researchers at the University of Liverpool have created the first evidence-based growth standards chart for dogs, allowing veterinarians to assess and monitor growth in canine patients. The study used data from over six million dogs visiting Banfield Pet Hospitals, resulting in five weight ranges with separate male and female curves.

Scientists: New device accurately identifies cancer in seconds

A team of scientists at UT Austin has developed a handheld instrument that rapidly and accurately diagnoses cancerous tissue during surgery. The MasSpec Pen is over 96% accurate and can detect cancer in marginal regions, potentially improving treatment and reducing recurrence rates.

18th century nautical charts document historic loss of coral reefs

Researchers analyzed 18th century British nautical charts to track the loss of coral reef habitat in the Florida Keys. The study found a 52% loss of coral area, with nearshore areas declining by 87.5% and 68.8%. This research highlights the need for longer-term conservation efforts based on historical data.

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.

Water-based lithium-ion batteries without explosive risks now a reality

Researchers at the University of Maryland have developed a water-based lithium-ion battery that reaches 4.0 volts and achieves high energy density while maintaining safety. The new gel polymer electrolyte coating prevents water from decomposing and forms a stable interphase, protecting the anode and preventing fires or explosions.

Scientists discover the 'adrenaline' of the immune system

Researchers found that neurons at mucosal tissues can detect an infection and prompt immune cells to produce a substance that acts like adrenaline, rapidly activating a protective response. This discovery highlights the important role of peripheral nervous cells in mounting immune responses and preserving health.

New model for hard-to-study form of blindness paves way for future research

A new human stem cell model has been developed to study macular degeneration, a leading cause of vision loss in older adults. The model, created by researchers at the University of Rochester Medical Center, mimics key characteristics of the disease and could lead to new avenues of research and potential drug targets.

The colon of patients with IBS reacts differently to bacteria

A study led by researchers at Linköping University found that patients with IBS have a more sensitive intestinal mucosa to bacteria, allowing for faster passage of pathogens like Salmonella typhimurium and E. coli HS. Mast cells appear to play a significant role in regulating this process.

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.

Genetic effects are influenced by lifestyle

A new study from Uppsala University finds that genetic effects on obesity are not fixed but interact with lifestyle factors. The study reveals that physical activity and socio-economic status can reduce the impact of genes on weight.

Why many Russians have gladly agreed to online censorship

A study found that Russians who relied on government-controlled TV news perceived the internet as a threat, leading to increased support for censorship. The government's successful persuasion has troubling implications, with many citizens self-censoring their online use.

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.

Defects in next-generation solar cells can be healed with light

Defects in perovskites can be permanently healed with light and humidity, accelerating the development of cheap and high-performance solar cells. The process involves exposure to light, oxygen, and controlled humidity levels, which create a protective shell that locks in improvements.

Finding better wind energy potential with the new European Wind Atlas

The New European Wind Atlas aims to reduce overall uncertainties in determining wind conditions by improving competencies on atmospheric flow and data guidelines. The atlas should be able to predict wind conditions with accuracy better than three percent in uncomplicated regions and ten percent in complicated regions.

New app replaces ultrasound with smartphone camera to measure heart health

A new app has been developed that can noninvasively provide detailed information about heart health using a smartphone camera. The app measures pressure waveforms of blood flow through the cardiovascular system and has been shown to be as accurate as echocardiography in estimating left ventricular ejection fraction.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Research dog helps scientists save endangered carnivores

A study using scat-sniffing research dogs helped scientists develop a plan to save reclusive jaguars, pumas, and other endangered carnivores by creating habitat corridors that connect protected areas. The model provides maximum habitat connectivity for all species while minimizing costs through privately owned lands and communities.