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Science News Archive January 2020


Page 34 of 40

An often-made claim that e-cigarettes are '95% safer' is not valid

A team of experts re-examines the original estimate that e-cigarettes are '95% less risky' or '95% less harmful' than combustible cigarettes. They found it outdated, misleading, and invalid, citing changes in e-cigarette devices and liquids that increase potential harms.

In health care, does 'hotspotting' make patients better?

A new study by MIT economists found that a hotspotting program has virtually no impact on patient health care use, contradicting previous claims of a significant reduction in rehospitalizations. The study evaluated 800 patients and found similar outcomes between those enrolled in the program and those not.

Automobile law in Japan has improved air quality

A new study published in Contemporary Economic Policy found that Japan's 1992 automobile law led to a 3-6% reduction in ambient nitrogen dioxide concentrations over two decades. The law resulted in estimated cost savings of $104 million due to reduced asthma-related mortality.

Abnormal neuron activity manifests as parental neglect

Researchers found that adult female mice exhibit abnormal neuron activity when learning to respond to young pups' distress cries. The findings suggest potential therapeutic strategies for Rett syndrome, a rare neurodevelopmental disorder affecting brain rewiring in adults.

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.

How the rice blast fungus 'eats' its own cell wall to launch an attack

Researchers at Tokyo University of Science discovered that extremely low concentrations of acetic acid can alter cellular processes in rice blast fungus, leading to appressorium formation and infection. The study reveals the novel role of acetic acid in metabolic switching and cell differentiation in eukaryotic cells.

Disorderly DNA helps cancer cells evade treatment

A Northwestern University study discovered an inverse relationship between patient survival and the plasticity of tumor cells. Cancer cells with disorderly chromatin packing are more likely to adapt to treatments, but researchers can now develop new therapies that target chromatin packing to make cancer cells more vulnerable.

Nano antennas for data transfer

Researchers at University of Würzburg developed nano antennas that can emit light in a specific direction, enabling efficient data transfer. The antennas use quantum tunnelling to generate vibrations with optical frequencies and are capable of emitting light in a particular direction.

Apple iPhone 17 Pro

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

Patient step counts predict lung cancer treatment outcomes, study finds

A new study suggests that monitoring patients' activity levels prior to chemoradiation therapy for lung cancer can predict treatment outcomes. Inactive patients are more likely to experience hospitalization, treatment delays, and disease recurrence, while active patients have better survival rates.

UTA expert in quantum optics and optical communications named Fellow of SPIE

Michael Vasilyev, a UTA professor, was recognized as a Fellow of the International Society for Optics and Photonics (SPIE) for his achievements in nonlinear-optical signal processing. He solved the problem of making all-optical regenerators process multiple data channels at once, reducing cost, size, and power consumption.

Poor sexual health more common in UK women than men

A UK study found that poor sexual health affects women in diverse ways and is often overlooked by current intervention efforts. The research identified distinct groups at risk, including women with low interest in sex and those experiencing depression, alcohol or drug use. Tailored programs may be needed to address these vulnerabilities.

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.

Skin-like sensors bring a human touch to wearable tech

Researchers at the University of Toronto have developed a super-stretchy, transparent and self-powering sensor that records complex human sensations. The 'artificial ionic skin' can measure strain, humidity and temperature changes, generating controlled ion movements that can be measured as electrical signals.

BMI over time beats genetics in predicting future obesity

A study published in JAMA Cardiology found that a person's BMI measurement from 25 years ago is a better predictor of their current BMI than a polygenic risk score. The researchers analyzed data from over 2,500 young adults and found that baseline BMI explained 52.3% of BMI variation over time.

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.

Healthy habits in middle age linked to longer life free from disease

A study of US health professionals found that adopting five healthy lifestyle factors can add up to 10 extra years of disease-free life, with women gaining the most benefit. Participants who adopted four or five low-risk lifestyle factors had significantly longer life expectancy free from major chronic diseases.

Drones effective tools for fruit farmers

Researchers explore drone technology to improve fruit tree management, enhancing crop yields and sustainability. Drones equipped with sensors provide high-resolution images and spectral data to monitor tree health, water and nutrient status, and estimate biomass production.

Directly measuring function in tiny hearts

Researchers at Children's National Hospital developed a direct measurement technique for cardiac output in newborns, utilizing changes in blood velocity after injecting saline. The study used ultrasound dilution and reported promising results, with potential implications for personalized care of critically ill newborns.

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.

Study examines the benefits of childbirth education classes during pregnancy

A retrospective study found that participating in childbirth education classes nearly tripled the likelihood of a successful normal vaginal delivery. The study controlled for socioeconomic factors and other differences, suggesting that these classes lead to lower intervention needs and less instrumental deliveries.

Celestron NexStar 8SE Computerized Telescope

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

New metabolic pathway discovered in rumen microbiome

A German-American research team has discovered a new metabolic pathway in the rumen microbiome of ruminants that allows the bacteria to adapt to extreme fluctuations in sodium content. This adaptation enables the production of ATP through two different respiratory circuits, one requiring sodium ions and the other using hydrogen ions.

Are some antidepressants less risky for pregnant women?

A research team at INRS has modeled the interaction of commonly used antidepressants with estrogen and aromatase, a key enzyme in fetal development. The study suggests that not all types of antidepressants have the same hormonal affinity, and some may be less harmful to the developing fetus.

Double-checking the science

A new study reveals that ocean acidification has no direct impact on the behavior of coral reef fish, contradicting previous high-profile studies. The exhaustive analysis, led by Université de Montréal researchers, found consistently normal behaviors in fish under predicted end-of-21st-century CO2 levels.

Complete filling of batches of nanopipettes

Researchers at Kanazawa University developed a method to fill nanopipettes using a temperature gradient, achieving complete filling of a batch with pore diameters below 10 nm. The 'air bubble' that typically remains near the pipette's pore end can be removed by applying the temperature gradient.

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.

NUS scientists create world's first monolayer amorphous film

Researchers from NUS have synthesised the world's first one-atom-thick amorphous material, known as monolayer amorphous carbon (MAC), which shows exceptional properties such as plastic deformation and ability to withstand holes. This breakthrough could lead to new industrial applications in various fields.

How dying cells prevent dangerous immune reactions

Scientists from the German Cancer Research Center have identified a receptor on murine immune cells that activates a protective mechanism preventing unwanted immune responses against the body's own tissues. Dectin-1 binds to annexins on dying cells, suppressing the immune response and preventing autoimmune reactions.

FSU study aids fight against HIV, hepatitis B

Researchers at Florida State University College of Medicine have discovered the mechanism responsible for how two widely used antiviral drugs inhibit viruses, including HIV and hepatitis B. This breakthrough could lead to the development of more potent and effective treatments for millions of people worldwide.

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.

APS Tip Sheet: Trudging until take-off

Researchers from Norway, Latvia, and Israel found that allowing slower airplane passengers to board first decreases total boarding time. By simulating passenger movement using physics, the team predicted boarding times for various passenger groups, confirming that slow passengers being boarded first is up to 28% faster.

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.

Fish species benefit from marine protection to varying extents

Research reveals that marine protected areas increase total fish numbers and common species richness, with stronger gains among sensitive species. Network effects accumulate between individual reserves, suggesting synergistic benefits from regional marine protected area systems.

New Phytopathology journal focus issue emphasizes virological advances

The Fundamental Aspects of Plant Viruses focus issue in New Phytopathology emphasizes recent breakthroughs in understanding plant viruses and their impact on agriculture. The issue features studies on virus-host and vector interactions, replication, and pathogenicity, shedding light on disease development and horizontal transmission.

Tiny, but effective

Gelatinous zooplankton contributes significantly to marine carbon cycle, binding large amounts of carbon transported into deep ocean. This contribution is quantified for the first time globally using over 90,000 observations.

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.

Bacterial link in celiac disease

Scientists have discovered a molecular foundation for bacterial exposure as a potential environmental factor in coeliac disease development. Receptors from immune T cells can recognize protein fragments from certain bacteria that mimic gluten, leading to aberrant recognition and health problems.

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.

Nanomaterial fabric destroys nerve agents in battlefield-relevant conditions

Researchers at Northwestern University have developed a composite material that can efficiently detoxify nerve agents, including VX and soman, under battlefield-relevant conditions. The material uses metal-organic frameworks (MOFs) integrated onto textile fibers, which can capture gases and vapors without the need for liquid water.

Oregon researchers test hearing by looking at dilation of people's eyes

Researchers at the University of Oregon have developed a new method to assess hearing by measuring pupil dilation, which is as sensitive as traditional testing methods. The approach has shown promising results in detecting sound in individuals who cannot respond, such as babies and young adults with developmental disabilities.

Ocean acidification is damaging shark scales

Research on puffadder shysharks reveals that ocean acidification damages up to 25% of their denticles, limiting their swimming ability. The study also found that sharks have an acid-base regulatory mechanism to adapt to environmental conditions.

Meta Quest 3 512GB

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

Can sea star movement inspire better robots?

Researchers at USC Viterbi School of Engineering discovered how sea stars synchronize their motion through a global directionality command and localized responses to stimuli. This decentralized nervous system can inspire more efficient robotics systems with hierarchical learning and communication.

Illuminating the world of nanoparticles

Researchers at OIST developed a light-based device that detects biological substances in materials, surpassing current industry-standard biosensors' sensitivity and precision. The tool creates high-resolution images of individual nanoparticles, paving the way for studying molecular events on the surface.

New study reveals the origin of complex malaria infections

Researchers used single cell genome sequencing to analyze malaria parasite cells, finding that nearly all infections were caused by a single mosquito bite. This discovery could lead to more effective interventions and models for predicting antimalarial drug resistance.

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.

VR is not suited to visual memory?!

Researchers at Toyohashi University of Technology discovered that active virtual reality (VR) experiences hinder visual memory more than passive ones. This finding challenges the potential use of VR as an educational tool, highlighting the need for teaching materials that account for its characteristics.

Gut microbes may improve stroke recovery

Research suggests that supplementing with short chain fatty acids can improve stroke recovery by reducing inflammation and promoting neuroinflammation. The study found that mice who drank water with added fatty acids experienced better stroke recovery, including reduced motor impairment and increased spine growth.