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Science News Archive May 2017


Page 18 of 42

Chances of receiving CPR at home decreases with age

A new study from Penn Medicine found that the likelihood of receiving CPR at home decreases significantly with age, affecting older Americans who are most likely to be struck by sudden cardiac arrest. Low CPR training rates among older adults have been identified, highlighting a need for targeted training in this population.

Researchers take an important step toward an HIV vaccine

Scientists have created a vaccine that boosts specific parts of the immune system attacking HIV viral genes, prolonging resistance and allowing for more efficient defense. This approach may lead to an effective HIV vaccine by targeting weak immunostimulatory parts of viruses.

Apple iPhone 17 Pro

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

Springer sponsors 2 award lectures at EUROANALYSIS 2017

The EUROANALYSIS XIX conference in Stockholm, Sweden will feature two key prize lectures sponsored by Springer. Luigi Mondello and Lo Gorton are the recipients of the Robert Kellner Lecture and DAC-EuCheMS Award respectively, for their contributions to analytical chemistry research or education.

Microbial fuel cell converts methane to electricity

Researchers have created a bacteria-powered fuel cell that can convert methane into small amounts of electricity near the wellheads, reducing long-distance transport and leakage. The process uses a consortium of bacteria that produces electricity by capturing methane and producing acetate, electrons, and an energy enzyme.

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.

Dams are major driver of global environmental change

Researchers found that man-made dam reservoirs trap nearly one-fifth of the organic carbon moving from land to ocean via rivers. This lack of representation in climate models highlights the need for better understanding of reservoir impacts on the Earth's climate.

Men sing about dating and sex more often than women

Research analyzing popular song lyrics across five decades reveals men singing about romantic love and sex more frequently, while female artists focus on love. The study highlights gender-based differences in sexuality and stereotyping, with women's bodies being objectified more often than men's.

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.

Tea-time means leopard-time in India

A new WCS study reveals that leopards are abundant in tea-garden landscapes in north-eastern India, but their presence doesn't lead to conflicts with people. The research found that leopards use tea-gardens due to dense ground vegetation cover and avoid developed areas.

UCR study sheds light on Earth's first animals

A UCR study reveals that the Ediacaran-era fossil animal Dickinsonia developed in a highly regulated way using a similar genetic toolkit to today's animals. The research helps place Dickinsonia in the early evolution of animal life, showcasing its complex growth and development.

Ultrafast tunable semiconductor metamaterial created

Researchers have devised an ultrafast tunable metamaterial based on gallium arsenide nanoparticles that can be turned on and off quickly, paving the way for ultrafast optical computers. The material consists of semiconductor nanoparticles that concentrate and interact with light efficiently.

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.

Microbes seen controlling action of host's genes

Researchers have found that microbes manipulate the molecular machinery of animal cells, triggering patterns of gene expression associated with health and disease. The study suggests ancient parts of the genome and interactions with microbes are relevant to modern-day human diseases.

Researchers harness metabolism to reverse aggressiveness in leukemia

Researchers have identified BCAT1 as a key protein in aggressive leukemia cells that can produce branched-chain amino acids for cell growth. By blocking this protein, they were able to promote differentiation and make the disease less aggressive, suggesting BCAT1 as an ideal therapeutic target.

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.

Brain's hippocampal volume, social environment affect adolescent depression

A University of California, Davis, study found that adolescents with large hippocampal volume were more susceptible to depression depending on their home and community environments. The research suggests a greater ability to overcome fear and anxiety in larger hippocampi may indicate better resilience against depressive symptoms.

Energy-efficient green route to magnesium production

Researchers developed a novel smelting method for magnesium metal, utilizing an antenna structure to absorb microwave energy and reduce temperature, resulting in significant energy savings. The technique has the potential to be applied to other metal materials, helping to reduce carbon dioxide emissions and combat global warming.

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.

Biomarkers may predict cognitive decline in Parkinson's

Researchers identified brain scans, genetic tests, and CSF analysis as predictive biomarkers for Parkinson's disease-related cognitive decline. Biomarkers associated with dopamine deficiency, beta-amyloid protein, and single nucleotide polymorphisms were found to correlate with cognitive impairment in newly diagnosed patients.

Parents with bipolar benefit from self-help tool

Researchers at Lancaster University found that online self-management support for parents with Bipolar Disorder improves parenting skills, child behavior, and reduces parenting stress. The intervention combines self-management strategies with mood management to promote consistent parenting.

Celestron NexStar 8SE Computerized Telescope

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

Is religion an evolved domain or instinct?

Researchers propose that religion is an evolved domain or instinct, while intelligence allows people to rise above instincts. This association is supported by historical evidence and recent survey data across different countries and groupings.

Solving the mystery of the white oak

A recent study published in Proceedings of the Royal Society B: Biological Sciences reveals that Eurasian white oaks arose from a North American ancestor that migrated to Europe. The research also shows that two oak species found on opposite ends of the globe are closest relatives and part of a widespread white oak lineage.

NASA's Van Allen Probes spot man-made barrier shrouding Earth

The study found that VLF radio communications can interact with particles in space, creating a barrier around Earth. This 'barrier' corresponds to the inner edge of the Van Allen radiation belts and may help remove excess radiation from the near-Earth environment.

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.

Cardiovascular disease causes one-third of deaths worldwide

A new study found that cardiovascular diseases account for one-third of global deaths, with the highest rates in Eastern Europe and Central Asia. The study also revealed a plateau in CVD mortality rates in high-income countries and an increase in low- and middle-income countries.

Designing better drugs to treat type 2 diabetes

Two studies have shown how new potential anti-diabetic drugs interact with their target in the body, reducing blood sugar by increasing sensitivity to insulin and changing metabolism of fat and sugar. Researchers are now designing modified drugs that will work even more efficiently.

Early MRI may lower costs for prostate cancer treatment

Researchers found that using MRI to detect lesions and guide biopsies increased standardized quality-adjusted life years for patients, and was cost-effective in 94.05% of simulations. This approach could change how doctors identify and sample cancer lesions, reducing unnecessary treatments and costs.

Use of new swallowable gastric balloon results in substantial weight loss

A new swallowable gastric balloon, Elipse Balloon, has been shown to be safe and effective for inducing substantial weight loss in obese individuals. The study found a mean weight loss of 15.2 kg after 16 weeks, with significant reductions also observed in comorbidities such as diabetes and high blood pressure.

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.

Study links physician age to patient mortality risk

Researchers found that patients treated by hospitalist physicians over 40 years old are more likely to die within a month of admission compared to those under 60. The study analyzed over 730,000 Medicare patient records and found a significant gap in mortality rates between younger and older physicians.

New test to rapidly diagnose sepsis

Researchers have created a TaqMan-Based Multiplex real-time PCR detection system to rapidly diagnose sepsis, increasing the chance of targeting the correct agent and avoiding antibiotic misuse. The test detects 10 frequent bacterial pathogens from blood samples and can even identify pathogens in blood culture-negative cases.

Polymerases pause to help mediate the flow of genetic information

Recent research from the Stowers Institute for Medical Research reveals that polymerase pauses prevent other machines from immediately following, thereby controlling the flow of genetic information. Paused polymerases keep new polymerases from initiating transcription, maintaining a controlled pace during gene expression.

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.

Sacrificing sleep for love

A study found that male fruit flies have specific neurons called MS1 that release octopamine to keep them awake during courtship, suppressing sleep. The researchers also discovered that these neurons communicate with other brain cells to enhance male sexual behavior.

NASA annual Arctic ice survey expanded range this year

NASA's Operation IceBridge expanded its Arctic ice survey range this year, covering a wider area than ever before with denser and more accurate measurements. The mission also explored the Eurasian half of the Arctic Basin and measured a newly formed crack on Petermann Glacier.

'Trojan fish': Invasive rabbitfish spread invasive species

A new study reveals that red sea rabbitfish brought live marine animals with them when they invaded the mediterranean, expanding biodiversity and threatening native ecosystems. The research highlights the role of fish in spreading invasive species through 'ichthyochory,' a previously unknown mechanism.

Researchers track groundwater loss during drought in California's Central Valley

A study by UCLA and University of Houston researchers reveals significant groundwater loss in the Central Valley during two droughts, with losses totaling 16.5 cubic kilometers and 40 cubic kilometers, respectively. The increase in groundwater loss was attributed to reduced precipitation, snowmelt, and changes in crop cultivation, high...

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Hospital-acquired anemia more common, increases risks

A new study found that hospital-acquired anemia affects nearly a third of hospitalized patients, increasing the risk of death or readmission. The severity of anemia was independently associated with a 39% increase in readmission or death within 30 days after discharge.

Migrant children less obese due to absent grandmothers -- study

Children of migrant families in Chinese cities have lower obesity rates due to lack of parental supervision and influence from grandparents. Migrant children have fewer opportunities for unhealthy snacking and more active play, contributing to their lower obesity rates.

Cancer therapy may work in unexpected way, study finds

Researchers at Stanford University School of Medicine have shown that antibodies to PD-1 and PD-L1 can also prompt immune cells called macrophages to engulf and devour cancer cells, expanding the use of this cancer treatment.

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.

Blue and purple corn: Not just for tortilla chips anymore

A University of Illinois project has identified a source of natural blue and purple corn, providing an affordable alternative to synthetic food dyes. The researchers found that anthocyanin concentrations in Peruvian corn lines remained stable across generations, paving the way for breeding high-yielding, colored corn hybrids.

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.