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Science News Archive October 2018


Page 9 of 47

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.

Genome-wide study confirms 6 tiger subspecies

Researchers confirm six genetically distinct tiger subspecies through genome-wide analysis of 32 tiger specimens, revealing unique features and evolutionary histories for each group. The findings provide robust evidence for subspecies delineation in tigers.

Tooth loss can indicate malnutrition, Rutgers study says

A Rutgers University study reveals that older adults with 10-19 teeth are at higher risk for malnutrition. Patients with tooth loss or malnutrition experienced weight loss, dementia, and depression, highlighting the importance of dental clinics in identifying nutritional status issues.

Fragile seashores were 'cradle of evolution' for early fish

New research reveals that shallow near-shore environments were crucial for the evolution of early fish species around 480 million years ago. The study, published in Science, identifies these fragile seashores as the 'cradle of evolution' where primitive fish first appeared and diversified.

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.

Three proteins may play key roles in female fertility and cancer biology

Researchers have identified three proteins that regulate each other with surprising complexity, potentially leading to treatments for some forms of infertility and fighting aggressive cancers. The discovery could also inform precision medicine treatments for certain types of aggressive cancers.

Can tiny doses of magic mushrooms unlock creativity?

A study suggests that microdosing psychedelics can improve creative problem-solving abilities by enhancing divergent and convergent thinking. Participants who took a tiny fraction of a normal dose of psychedelic substances showed improved performance on tasks requiring alternative solutions and convergent thinking.

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.

Study opens new therapeutic avenue for mitochondria malfunction

Researchers at Jefferson University have identified a molecular lock and key that controls calcium's entry into mitochondria, revealing a new target for drug discovery. The finding suggests that compounds like ruthenium red/360 can block calcium entry into cells, potentially treating neurodegenerative diseases.

Trust in others predicts mortality in the United States

A new study found that trusting others is associated with a 10-month increase in life expectancy. High levels of trust were linked to better social support and reduced psychosocial stress, which can contribute to health problems and shortened lives.

Apple iPhone 17 Pro

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

Facial exercise speeds Botox's wrinkle-reducing effects

A new study by Northwestern University found that facial exercise after Botox injections can make wrinkle reduction occur one day sooner. The exercises included raised motions of the forehead and scowls, which improved forehead wrinkles by two to three days after treatment when followed by facial exercise.

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.

Mapping the chromatin landscape of human cancer

Researchers have mapped the chromatin accessibility landscape of 23 primary human cancer types using ATAC-seq, identifying over 500,000 active DNA regulatory elements. This comprehensive dataset may help partition cancer patients for more effective therapies.

Stanford researchers learn how the brain decides what to learn

Researchers identified the paraventricular thalamus as a key player in tracking important details for animals to learn. The study's findings suggest that the brain can adapt its focus on good and bad outcomes based on context, which could lead to new treatments for drug addiction.

Fighting mosquitoes in your backyard with scientists' help

Researchers at Rutgers University develop a citizen-led mosquito control approach that mobilizes neighbors to address local problems with scientific guidance. The program, called Citizen Action through Science (Citizen AcTS), resulted in a significant reduction of invasive Asian tiger mosquitoes in targeted areas.

The body weight bias in sales

A study found that sales employees recommend rounded watches and perfume bottles when they appear obese, and suggest more angular products when they are thin. The researchers also discovered that the level of friendliness drives the propensity to recommend round products.

Not enough fruits, vegetables grown to feed the planet, U of G study reveals

A University of Guelph study found that global agriculture is overproducing grains, fats, and sugars while insufficiently producing fruits and vegetables. Adopting a more nutritious diet would require significant changes to the food system, including reducing meat consumption and increasing plant-based protein production.

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.

Head and neck cancer survivors at increased risk of suicide

Head and neck cancer survivors are at a higher risk of death by suicide, with the rate being two times that of other cancer survivors and four times that of the general population. The study found that approximately one-half of head and neck cancer survivors become functionally disabled after completing treatment.

How sleeping mammary stem cells are awakened in puberty

A team of scientists has identified a key protein that triggers the activation of mammary stem cells during puberty, leading to the rapid expansion of the mammary gland. FoxP1 plays a crucial role in switching off proteins that keep mammary stem cells dormant, allowing them to divide and drive growth.

Spinning the light: The world's smallest optical gyroscope

Researchers developed a new optical gyroscope that detects phase shifts 30 times smaller than previous systems, enabling miniaturization to a chip smaller than a grain of rice. The Sagnac effect relies on detecting differences between two beams traveling in opposite directions.

Probiotics are not always 'good bacteria'

Researchers used human organ-on-a-chip technology to investigate the mechanism of disease development and found that probiotics can cause more harm than good when the gut barrier is compromised. The study confirms that intestinal barrier disruption is the onset initiator of gut inflammation, a key factor in many diseases.

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.

Certain physical disabilities may affect outcomes in kidney transplant recipients

A new study has linked physical disabilities in kidney transplant recipients to poor outcomes, including a higher risk of organ failure for those with visual disabilities and early death for those with walking disabilities. The study suggests that these patients may benefit from additional supportive care and monitoring post-transplant.

Acute kidney injury linked to higher risk of dementia

A recent study published by the American Society of Nephrology found a strong link between acute kidney injury and an increased risk of developing dementia. Patients with acute kidney injury had a 7.0% vs. 2.3% chance of developing dementia, highlighting the potential long-term cognitive consequences of AKI.

Biomarkers facilitate early detection of glaucoma

Researchers identified new biomarkers that can detect glaucoma at an early stage, enabling early intervention. The study's findings suggest that these biomarkers may inhibit neurodegeneration in the optic nerve and retina.

Celestron NexStar 8SE Computerized Telescope

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

Survey: Few women told by doctor that breastfeeding can reduce cancer risk

A survey of 724 women found that nearly 60% knew about the link between breastfeeding and breast cancer risk reduction, but only 16% learned it from a medical professional. The study highlights the importance of healthcare providers educating mothers about the benefits of breastfeeding in reducing breast cancer risk.

Students in health enrichment programs benefit from early team-based exposure

Research by LSU Health New Orleans found that early team-based exposure to multiple health disciplines in pipeline programs reduces traditional role and leadership stereotypes. This leads to improved collaboration and better patient outcomes, as seen in the study's statistically significant positive changes in IPE perceptions.

Repeated interferon stimulation creates innate immune memory

Repeated exposure to anti-viral signaling molecules trains the innate immune system to react more efficiently. Fibroblasts exhibit faster and greater activation of anti-viral genes after subsequent stimulations, indicating specific memory in the innate immune system.

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.

Surprising network activity in the immature brain

Scientists discovered that developing brain networks act locally to build globally, with spontaneous activity patterns correlating between distant populations of neurons. This finding suggests that long-range order originates from neural activity driven by short-range connections.

Does obesity have an impact on kidney transplant outcomes?

A new study published in American Society of Nephrology found that ideal BMI (18-25) recipients had the best organ survival rates, while there was no difference in patient survival across different BMI groups. Obesity may not be a significant barrier to kidney transplantation for obese patients.

The formation of large meteorite craters is unraveled

Researchers from University of Hamburg discovered that solid rock exhibits fluid behavior during massive impacts, forming craters in just minutes. The findings support the acoustic fluidization hypothesis and have significant implications for understanding large impact crater formation across our solar system.

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.

Stanford-led study identifies link between DNA-protein binding, cancer onset

Researchers identified a link between chromatin, transcription factors, and gene activation patterns in cancer. They found that specific mutations in chromatin can lead to changes in gene activity, driving cancer growth and development. The study provides new insights into cancer biology and potential treatments.

Could thyroid screening make your baby smarter?

A new review highlights growing evidence that universal thyroid testing in early pregnancy can reduce obstetric complications and safeguard fetal brain development. However, the risks of overdiagnosis and overtreatment must be carefully considered to avoid unwarranted patient anxiety and potential harm.

Whiskers, surface growth and dendrites in lithium batteries

Scientists have discovered three distinct growth modes in lithium metal anodes: whiskers, surface growth, and dendrites. These growths are influenced by competing reactions between the electrolyte and metal deposits. The study's findings suggest that controlling these growth modes is crucial for building reliable batteries.

Fluke 87V Industrial Digital Multimeter

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

At last, a simple way to solve the complex mysteries of the microbiome

Researchers at the University of Virginia have developed a new approach to understand the interactions between trillions of microbes in the human body. By combining computer simulations and laboratory experiments, they were able to shed light on how microorganisms influence human health and disease.

Local hormone production is root of issue for plant development

The study reveals that local auxin production in plant roots is crucial for maintaining healthy roots and preventing degeneration. Auxin production must be made locally, as transported auxin cannot compensate for its absence in certain tissues, such as the root meristem.

Grant to improve poultry production worldwide

Researchers at the University of California - Davis are working to improve chicken breeds with enhanced resistance to Newcastle disease and heat stress through genomic analysis. The Feed the Future Innovation Lab for Genomics to Improve Poultry aims to protect chickens from deadly diseases in Africa and worldwide.

People overestimate benefits, and underestimate risks, of medical interventions

A new study found that people tend to overestimate the benefits and underestimate the risks of various medical procedures. In a hypothetical scenario, participants were asked to rate their likelihood of experiencing benefits or side effects of different treatments, revealing an average perception of benefit higher than the midpoint, wh...

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.

Evolution does repeat itself after all: How evolution lets stripes come and go

A team of evolutionary biologists discovered the genetic basis for the repeated evolution of color patterns, specifically horizontal stripes, in East-African cichlid fishes. The study found that a specific gene, agrp2, is responsible for the emergence and loss of stripes, making repeated evolution possible within a short period.

New tools for creating mirrored forms of molecules

A new study by Gregory Fu and his team demonstrates a method for creating molecules with only one handedness using abundant, inexpensive materials. This technique can make the discovery and synthesis of bioactive compounds like pharmaceuticals less expensive and time-consuming.

Bacteria: Protein researchers decipher resistance mechanism

Scientists at Martin-Luther-Universität Halle-Wittenberg have isolated a membrane protein from E. coli bacteria and shed light on its molecular structure. The study reveals how the bacterium manages to rid itself of antibiotics by using a pump mechanism, providing insights into the development of 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.

Mind's quality control center found in long-ignored brain area

Researchers discover cerebellum's involvement in higher-order cognition, including attention, thinking, planning, and decision-making. The cerebellum was found to be responsible for quality control over thoughts and actions, with 80% of its networks devoted to these functions.

One size doesn't fit all, when using hormone therapy to treat endometriosis

Researchers at Yale University found that progestin-therapy effectiveness depends on PR status in endometriotic lesions. Women with PR-positive lesions respond better to therapy, while those with PR-negative lesions find little relief. This study suggests a personalized approach to treating endometriosis may be more effective.