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Science News Archive 2017


Page 73 of 461

Pregnant women should be tested more than once for the presence of Zika

A new Brazilian study found that pregnant women with confirmed Zika diagnosis should be tested multiple times due to the intermittent presence of the virus in their urine. The study detected Zika virus in some women's urine for up to seven months after previous tests indicated a non-existent viral load.

Apple iPhone 17 Pro

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

Lose fat, preserve muscle: Weight training beats cardio for older adults

A new study by Wake Forest University researchers suggests that weight training with a low-calorie diet preserves lean muscle mass in older adults. Combining resistance training and calorie restriction resulted in less muscle loss and significant fat loss compared to cardio workouts or diet alone.

A new advanced forensics tool

A new non-destructive method using Raman spectroscopy has been demonstrated to make abraded serial numbers on polymers visible again. Researchers from INRS have successfully recovered erased information from polycarbonate samples without damaging the material.

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.

Can corals adapt to climate change?

A recent study published in Science Advances suggests that corals can adapt to warmer oceans if global emissions are controlled. The research found genetic variants in some corals that make them more heat tolerant, but may not be enough to keep up with the rapid warming predicted by climate models.

Mapping the microbiome of...everything

The Earth Microbiome Project has cataloged over 27,000 samples from diverse environments worldwide, generating the first reference database of bacteria colonizing the planet. The project identifies unique microbial sequences, revealing patterns in microbial community composition across environments and geography.

One factor that may help schools close racial achievement gap

A Texas school district study reveals that teachers' sense of collective efficacy has a significant impact on closing the educational achievement gap. Schools with high levels of collective efficacy saw a 50% reduction in academic disadvantage experienced by black students.

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.

Should patients be asleep or awake during brain surgery?

A new study by OHSU researchers suggests that performing brain surgery on patients who are asleep can produce comparable or even better clinical outcomes than procedures conducted while the patient is awake. This approach has improved speech fluency and reduced motor function issues for patients undergoing deep-brain stimulation. The s...

Many prescription drug users not aware of driving-related risks

A study found that nearly 20% of people taking prescription medications with impairment risks are not aware they could be driving impaired, despite receiving warnings or seeing labels. Researchers hope increased warnings and labeling can help drivers make informed decisions about their abilities to drive.

Study identifies bottlenecks in early seagrass growth

Researchers discovered key limitations to seagrass growth from seed to seedling stage, which could improve restoration efforts. The study found that exposure to waves and grazing animals significantly reduced seed survival rates.

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 theory addresses how life on Earth arose from the primordial muck

Researchers at UNC and Auckland University propose a new 'peptide-RNA' theory, suggesting genetic instructions (nucleic acids) and small proteins (peptides) interacted to form life. The theory contradicts the widely-held 'RNA-world' hypothesis, which states nucleic acids gave rise to life.

An early Christmas present: Scientists have unwrapped the reindeer genome

A team of Chinese researchers has sequenced and analyzed the reindeer genome, revealing unique features such as a smaller genome size and 335 genes specific to the species. The findings provide valuable resources for understanding the processes of evolution, domestication, and adaptation to extreme environments.

UM scientist awarded grant aimed to increase aquaculture production in the US

University of Miami Professor Daniel Benetti has been awarded a $967,000 grant from NOAA to develop hatchery technology for three economically important marine fish species. The project aims to create an affordable supply of seed for commercial producers, relieving pressure on wild stocks without negative economic impacts.

Survey findings: 4 in 10 healthcare professionals work while sick

A survey of 1,914 healthcare professionals found that four in 10 opt to work while experiencing influenza-like illness, putting patients at risk. Hospital-based providers are among the most likely to do so, highlighting the need for updated paid sick leave policies and tailored strategies to promote healthy choices.

Treatment for dogs alleviates fear of noisy fireworks

A study published in Veterinary Record shows that dexmedetomidine gel significantly reduces behaviors related to fear and anxiety in dogs during fireworks displays. The treatment has been found to be safe and effective, with 72% of dogs showing good or excellent treatment effect.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

PARP inhibitor may be effective against some TNBC lacking BRCA mutations

Researchers found that PARP inhibitor talazoparib caused regression of patient-derived xenografts (PDXs) of triple-negative breast cancers (TNBC) lacking BRCA mutations. The study suggests that PARP inhibitors may be effective in selected patients with other alterations in DNA damage repair genes.

Oregon team says physics explains protein unpredictability

University of Oregon researchers used computer simulations to study the evolution of proteins and found that basic physical limitations make uncertainty the norm. The team's findings confirm what many people in the field have observed: unpredictability is universal in biological systems.

Babies can use context to look for things, study demonstrates

A new study demonstrates that babies can learn, remember and use contextual cues in a scene to guide their search for objects of interest. The study found that 6-month-old babies showed steady improvement in finding faces in repeated scenes, but didn't get any quicker or more accurate in finding faces in new scenes.

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.

NASA investigates invisible magnetic bubbles in outer solar system

NASA has launched a fleet of missions to study the planets in our solar system, revealing unique features of each planet's magnetosphere. Earth's and other magnetospheres deflect charged particles away from the planet, but also trap energetic particles in radiation belts.

Zebra 'poo science' improves conservation efforts

Researchers used 'poo science' to analyze glucocorticoid hormones in Cape mountain zebra droppings, revealing chronic stress impacting their health and reproduction. The study identified seven populations with distinct profiles, enabling conservationists to identify at-risk populations and evaluate the effectiveness of conservation plans.

One year results from the REDUCE trial reported at TCT 2017

The REDUCE trial found no difference in all-cause mortality, myocardial infarction, and stent thrombosis between three and 12 months of DAPT. Major bleeding rates were similar among treatment arms, but overall mortality rates differed slightly at 1.9% vs 0.8%

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.

Luck plays a role in how language evolves, Penn team finds

A team of linguists and evolutionary biologists found certain linguistic changes occurred due to selective forces, while others were guided by chance. The study analyzed substantial collections of annotated texts and identified patterns where random chance affected rare words more than common ones.

Chimpanzees shown spontaneously 'taking turns' to solve number puzzle

A new study shows that chimpanzees can work together without external cues to complete a number sequencing task, demonstrating advanced coordination skills. Young chimpanzees showed higher accuracy and speed in taking turns, while mothers were faster individually, highlighting asymmetry in information transmission.

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.

The fingerprints of coastal carbon sinks

Researchers have developed a new technique, diffuse reflectance spectroscopy (DRS), to accurately measure soil carbon levels in coastal wetlands like mangrove forests. This method has higher accuracy and is non-toxic, fast, and inexpensive, making it suitable for large-scale monitoring.

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.

How songbirds learn a new song

Researchers found that songbirds break down the complex task of learning a new song into manageable parts, using a strategy similar to computer algorithms. This approach allows them to adapt their songs with minimal effort and expand their repertoire.

Riding the bike to work is just as effective as leisure time exercise

Researchers from University of Copenhagen find that cycling to and from work is just as effective in reducing fat mass as moderate- or high-intensity leisure-time exercise. The study involved 130 overweight participants who cycled, exercised, or did neither for six months, with significant weight loss found in all groups.

Molybdenum in Wisconsin wells not from coal ash

Researchers from Duke University and Ohio State University found that high levels of molybdenum in Wisconsin drinking water wells come from natural sources, not coal ash. The study used forensic isotopic 'fingerprinting' and age-dating techniques to determine the contamination's origin.

Meta Quest 3 512GB

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

Close friends linked to a sharper memory

A new study found that SuperAgers -- people aged 80+ with exceptional cognitive ability -- report more satisfying relationships compared to their peers. This association suggests that maintaining strong social networks may be linked to slower cognitive decline.

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.

Vitamin E discovery in maize could lead to more nutritious crop

New research has identified genes controlling vitamin E content in maize grain, a finding that could lead to improving the nutritional profile of this staple crop. Six genes were discovered to encode proteins contributing to antioxidant compounds called tocochromanols, also known as vitamin E.

Alcohol makes rats more vulnerable to compulsive cocaine use

A new study found that prior alcohol exposure enhances cocaine-seeking behavior in rats, promoting degradation of HDAC4 and HDAC5 proteins. This breakdown creates a permissive environment for cocaine-induced gene expression, increasing vulnerability to compulsive use.

Understanding addiction in the adolescent mind

Researchers have developed a new method using synthetic DNA aptamers to measure cocaine's effect on the brain in real-time with high resolution. The study aims to answer whether age-related differences are due to neuron sensitivity or drug concentration in specific brain areas.

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.

Is he really that into you?

Women who experienced painful father-child relationships perceive greater mating intent in men and exhibit increased sexual arousal when viewing male faces. This study highlights the potential for early childhood experiences to shape adult mating behavior and increase the likelihood of engaging in unrestricted or risky sexual activity.

New Greenland maps show more glaciers at risk

Researchers have created high-resolution maps of Greenland's bedrock and coastal seafloor, showing that two to four times more glacier fronts are at risk of accelerated melting than previously thought. The new data suggests that warmer ocean water is melting deeper-seated glaciers, potentially increasing sea level rise.

Your bones affect your appetite -- and your metabolism!

A recent study discovered that a bone hormone called osteocalcin regulates appetite and energy expenditure. Researchers found that removing an enzyme responsible for activating osteocalcin reduced mice's appetite and increased blood glucose levels.

From quantum physicist to quantum CEO

Q-Ctrl, founded by University of Sydney's Professor Michael Biercuk, aims to provide trusted quantum control solutions for various industries. The company has attracted multimillion-dollar investments and is focused on reducing qubit errors to improve the performance of quantum devices.

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.

Researchers find low genetic diversity in domestic ferrets

Researchers discovered low genetic diversity in domestic ferrets globally, making them more susceptible to diseases and disorders. The study highlights the importance of incorporating genetically diverse ferrets from other countries into breeding programs to minimize inbreeding and reduce the risk of disease transmission.

Penn researchers demonstrate how to control liquid crystal patterns

Researchers at Penn University have demonstrated the ability to control liquid crystal patterns, which could be useful in creating patchy colloids and microscopic particles with functionalized surfaces. The study was led by Lisa Tran and Randall Kamien and has potential applications in biosensing and energy harvesting.