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Science News Archive 2018


Page 97 of 473

How drug-resistant TB evolved and spread globally

A new study reveals that Lineage 4 TB emerged in Europe around 1,000 years ago and spread globally with European explorers and colonialists. The study found that drug-resistant strains of Lineage 4 TB have hardly spread beyond their country of origin, suggesting a regional challenge to control.

New method uses just a drop of blood to monitor lung cancer treatment

Researchers from Osaka University have devised a simple method to test the impact of nivolumab on critical immune cells in patients with lung cancer. The novel approach measures how nivolumab binds to PD-1 on T-cells, providing information needed to monitor treatment more effectively and optimize treatment choices.

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.

Taking steps toward a wearable artificial kidney

Researchers have created a nanomaterial called MXene that can capture urea from dialysis waste, paving the way for a more comfortable and effective artificial kidney. The material is lightweight, safe, and can hold onto urea even at body temperature.

World Heritage Sites threatened by rising sea levels

A Kiel-based study reveals that 49 UNESCO World Heritage Sites in the Mediterranean are at risk due to sea-level rise and storm surges. The sites face increased flood risk of up to 50% and erosion risk of up to 13% by 2100, according to a spatial database and model simulations.

Penetrating the soil's surface with radar

Ground penetrating radar can accurately estimate soil water content by analyzing the strength of early time signals. This technology allows for quick measurement across large field sites, enabling farmers to optimize water usage and test irrigation system efficiency.

Grant to fund video game that will help children with ADHD

A $1.38 million grant from the US Department of Education will fund a three-year project to develop a video game designed to help kids with ADHD learn academic skills and better succeed in school. The project aims to provide a cost-effective means to educate students with ADHD, who require more counseling and disciplinary action.

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.

Taking their vitamins

New research from North Carolina State University and the University of Copenhagen finds that most bacterioplankton are B1 auxotrophs, meaning they have to glean the vitamin or pieces of it from their environment. The study also reveals fluctuations in genes responsible for making and/or using environmental B1 and precursors over time.

School students identify sounds caused by solar storm

A team of school students from Eltham Hill School successfully identified ultra-low frequency sounds caused by a solar storm in the Earth's magnetic shield. The study made data audible for exploration, revealing new patterns and commonality among these waves.

How does brain structure influence performance on language tasks?

A new study using computational models shows promise in understanding how brain structure impacts performance on language-related tasks. The research found relationships between brain characteristics and task speed, potentially leading to advancements in treating diseases and enhancing human performance.

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.

Many infertile men have undiagnosed prediabetes

A recent study of 744 infertile men found that 15.4% had undiagnosed prediabetes, with factors including older age and high follicle stimulating hormone levels linked to the condition. The study suggests that infertility in men may be associated with impaired glucose metabolism.

Scientists find unusual behavior in topological material

Researchers identify CoNb3S6 as a topological material exhibiting an extremely large anomalous Hall effect due to its unique electronic structure. The discovery opens doors for advances in materials science and potential electronic applications.

Supermassive black holes and supercomputers

Researchers used supercomputers to simulate early universe, revealing formation of first stars and galaxies. Metal-enriched gas enabled rapid star formation, leading to smaller, more numerous stars and galaxy evolution.

Just the right dose: antiepileptic drug clearance changes during pregnancy

A new study found that antiepileptic drug clearance significantly changes by the first trimester for one commonly used medication and by the second trimester for two others. The findings have implications for adjusting medication doses during pregnancy to keep women with epilepsy seizure-free and safe.

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 aspects of conscientious objection among nurses

A study of eight Ontario nurses reveals that making conscientious objections to ethically-relevant policies requires concrete supports and protection in healthcare settings. The researchers emphasize the need for routine conversations about conscience and conscientious objection to respect human rights and promote ethical practice.

The impact of microplastics on the environment unclear, study suggests

A review of 320 global studies found a large mismatch in microplastic types measured in the environment and those tested for effects in laboratories. The study highlights the need for better quality monitoring and environmentally realistic effects studies to understand the impact of microplastics on the environment.

Arctic ice sets speed limit for major ocean current

The Beaufort Gyre's speed is controlled by the Arctic ice cover, which acts as a natural governor to slow down the gyre. As the Arctic ice melts, the gyre speeds up, gathering more fresh water from the Arctic's river runoff and melting ice.

Apple iPhone 17 Pro

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

Going to bed with your ex might not be as bad you think

A study published in Archives of Sexual Behavior found that having sex with an ex does not necessarily hinder breakup recovery. In fact, those who continued to pine after their ex-partner more often sought out sexual activity as a way to foster closeness and connection.

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.

Hormone alters male brain networks to enhance sexual and emotional function

A new study by Imperial College London reveals that kisspeptin, the master regulator of reproduction, affects brain activity in healthy volunteers, leading to decreased sexual aversion and increased brain activity associated with sexual arousal. The hormone also boosts networks involved in mood and depression.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Genomic analysis offers insight into 2018 Nigeria Lassa fever outbreak

A genomic analysis of Lassa virus genomes from patients in Nigeria found that the surge in cases in 2018 was not driven by a single dominant virus strain. The study suggests that human-to-human transmission may be rare, with evidence pointing to multiple independent zoonotic transmissions through contact with rodent feces or urine.

Selfish people have fewer children and earn less money

A study published in the Journal of Personality and Social Psychology found that unselfish individuals have more children and higher salaries than their selfish counterparts. The researchers examined data from four major studies on Americans and Europeans, concluding that generosity is associated with greater economic success.

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.

A stabilizing influence enables lithium-sulfur battery evolution

Researchers at Drexel University have developed a stable cathode material that can hold polysulfides in place, maintaining energy density while reducing weight and production time. The new approach uses titanium monoxide nanofibers to immobilize polysulfides, enabling Li-S batteries to achieve superior performance through hundreds of c...

Can forests save us from climate change?

A new study published in Nature found that sustainable forest management can only provide modest, local benefits rather than a significant impact on the global climate. Forests themselves will need to be adapted to climate change to sustain their ecological and social services.

Controlling organic semiconductor band gaps by electron-acceptor fluorination

The study introduces a fluorinated electron-acceptor unit that precisely controls the energy levels within an organic semiconductor, leading to improved hole and electron injection and transport. The resulting thin film solar cell exhibits high photovoltaic performance with a power conversion efficiency of up to 3.12%.

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.

UMBC researchers develop new method to address deep-seated biases in science

A new statistical technique helps address gender and publication biases in science by explicitly testing for equivalence rather than difference. The method allows for the comparison of similarities between traits, providing insights into conservation efforts and knowledge gaps in fields like ecology and animal behavior.

When it comes to smartphone lifespan, brand name matters more than hardware

A new study by Yale researchers found that brand cache plays a significant role in extending smartphone lifespans, with iPhones lasting up to 67 months compared to Samsung phones' 54.5 months. The study analyzed over 500,000 secondhand phone listings on eBay and found that Apple's brand reputation contributes to its longer lifespan.

All in the family: Kin of gravitational wave source discovered

Researchers have identified a direct relative of the historic neutron star merger that produced the first simultaneous detection of light and gravitational waves. The newly described object, named GRB150101B, shares remarkable similarities with GW170817 and suggests that these events may be from the same family of objects.

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.

Are trigger warnings emotionally protective?

Researchers found that trigger warnings can lead to avoidance and less negative reactions, but those who believe them protective do not feel better. The study used three studies with over 1,300 participants and suggests that more research is needed on the topic.

Simple stickers may save lives of patients, athletes and lower medical costs

Researchers at Purdue University have developed wearable electronic stickers that can monitor physical activity and alert users to potential health risks in real-time. The low-cost, disposable devices are made from paper-like cellulose and can be used to track sleep patterns of patients or monitor athletes' health during exercise.

Brain cancer survival has improved -- but not much for elderly

A nationwide Finnish study found that brain cancer survival has improved overall, with younger patients experiencing significant gains in median survival time. However, elderly patients saw minimal improvement, highlighting the need for more effective treatment strategies for this growing patient population.

Celestron NexStar 8SE Computerized Telescope

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

Multidisciplinary team to develop stem cell-based approaches to restore vision

A multidisciplinary team of scientists from the University of Pennsylvania, Children's Hospital of Philadelphia, and University of Wisconsin-Madison are developing a stem cell-based approach to treat blindness in dogs. The researchers aim to generate specialized retinal cells using adult stem cells and transplant them into the retina.

What's in the man box? Increased violence & suicidal thoughts

A new Australian study found that young men who conform to traditional definitions of manhood, dubbed 'the man box,' are more likely to experience poor mental health, engage in binge drinking and traffic accidents, and be involved in physical bullying and violence. The study suggests that promoting positive alternatives to the Man Box ...

Moon helps reveal secrets of the universe

A team of astronomers used the Moon as a reference point to measure the brightness of the Milky Way, helping them detect faint signals from hydrogen atoms in the infant Universe. This detection could confirm or refute theoretical models of the Universe's early evolution.

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.

Age-related increase in estrogen may cause common men's hernia

A study published in Proceedings of the National Academy of Sciences found that age-related increases in estrogen levels can weaken abdominal walls and cause inguinal hernias. The researchers discovered that a hormone inhibitor could strengthen muscles and prevent hernias, offering potential treatment for at-risk patients.

Amount of weight regain after bariatric surgery helps predict health risks

A study by University of Pittsburgh researchers found that measuring percentage of weight regained after bariatric surgery can help predict serious health problems. The rate of weight regain was highest in the first year following maximum weight loss, indicating early detection and treatment may be crucial.