Bluesky Facebook Reddit Email

Science News Archive August 2014


Page 3 of 31

New filter technology -- uses inert gas to bore holes in high-quality steel

A new filter technology has been developed using inert gas to bore holes in high-quality steel, resulting in a more stable and flexible membrane. The process is environmentally friendly and eliminates the need for toxic chemicals, making it an attractive alternative to plastic membranes in highly sensitive applications.

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.

New analytical technology reveals 'nanomechanical' surface traits

Researchers developed a new technique to measure nanomechanical properties of microstructures undergoing stress and heating, revealing insights for improving microelectronics and battery designs. The technology uses laser-based Raman spectroscopy to study surface stresses and their impact on mechanical properties.

University of Montana cicada study discovers 2 genomes that function as 1

A University of Montana research lab has made a groundbreaking discovery about the cicada's symbiotic relationship with bacteria. The study found that instead of two bacterial symbionts, there are actually three, including two previously unknown species of <i>Hodgkinia</i>. This new understanding of the symbiosis reveals a more complex...

Non-adaptive evolution in a cicada's gut

Researchers have discovered that cicadas' gut bacteria split into two species about 5 million years ago, leaving them reliant on double the species to create essential nutrients. This event is an example of non-adaptive evolution, where genetic change occurred by chance without clear benefits for the organism.

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.

Penn-NIH team discover new type of cell movement

Researchers at Penn and NIH found a novel mechanism of cell movement in 3D matrices, where the nucleus acts as a piston to propel cells forward. This discovery has implications for understanding diseases like cancer and biofilm formation.

Cellphone addiction 'an increasingly realistic possibility,' Baylor study finds

Women college students spend an average of 10 hours a day on their cellphones, while men spend nearly eight. The study identifies 11 cellphone activities associated with addiction, including texting, emailing, and social media use. Excessive phone use poses risks for academic performance, relationships, and mental well-being.

Celestron NexStar 8SE Computerized Telescope

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

Saddam Hussein -- a sincere dictator?

A new study analyzing Saddam Hussein's private transcripts reveals a striking similarity between his public and private beliefs on international affairs. The researchers found that while public speeches were often straightforward, private discussions exhibited more complexity and nuanced views, particularly on the US, Iran, and Israel.

Dyslexic readers have disrupted network connections in the brain

Researchers mapped the circuitry of dyslexia using functional neuroimaging tools, revealing widespread differences in brain connectivity among dyslexic readers. They found decreased connectivity within the visual pathway and between visual and prefrontal regions, as well as increased right-hemisphere connectivity.

How the zebrafish gets its stripes

Researchers have discovered the origin and behavior of pigment cells that form zebrafish stripes. The yellow cells undergo dramatic changes in cell shape to tint the stripe pattern, while silvery and black cells switch shapes to create a striking contrast between golden and blue colors.

Apple iPhone 17 Pro

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

Ontario has one of the highest rates of IBD in the world

A population-based study found that IBD prevalence rose significantly in children under 18 and adults 18-64 years-old, while elderly patients saw a rise in prevalence despite stable new cases. The study highlights the growing burden of IBD on Ontario's healthcare system.

Warm thanks: Gratitude can win you new friends

A recent study by UNSW psychologists found that expressing gratitude to a new acquaintance increases their desire to seek an ongoing social relationship. This theory, known as the find-remind-bind theory, suggests that gratitude helps people form new relationships and maintain existing ones.

Fluke 87V Industrial Digital Multimeter

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

Inter-dependent networks stress test

Interdependent networks, such as energy production systems, are more vulnerable to cascading failures due to one-directional connections. The study found that redundancy in connections can impact robustness, with less reliable systems operating near critical thresholds.

Recognition for Monash rheologist

Renowned Monash rheologist Professor Tam Sridhar has been awarded the ASR Medallion for his distinguished contributions to rheology science and technology. He is the fifth recipient of this award in the past 20 years, recognizing his exceptional service to the field.

From nose to knee: Engineered cartilage regenerates joints

Researchers have successfully engineered cartilage tissue using nasal septum cells, showing promising results in repairing articular cartilage defects. The treated patients' knees were replaced with the engineered cartilage grafts, demonstrating the potential of this innovative clinical treatment for cartilage damage.

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.

Together, humans and computers can figure out the plant world

The special issue of Applications in Plant Sciences explores bioinformatic methods to analyze plant morphology. Researchers successfully applied automated classification and identification techniques, geometric morphometrics, and skeleton networks to examine plant form.

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.

New solutions needed to recycle fracking water

Researchers analyzed water produced by hydraulic fracturing and suggested non-chemical treatments for recycling. They found that produced water contains potentially toxic compounds, but most minerals originate from ancient connate waters, posing little concern.

UMN researchers find animal model for understudied type of muscular dystrophy

UMN researchers have created an animal model for facioscapulohumeral muscular dystrophy (FSHD), a genetic disorder that causes progressive muscle loss. The model allows for the testing of potential therapies and has revealed new insights into the disease mechanism, including a possible link to skeletal muscle regeneration.

Indoor mold poses health risk to asthma sufferers

A new study published in the Journal of Allergy and Clinical Immunology has found that indoor mold can lead to breathing problems and increase the likelihood of developing asthma. The research highlights the importance of adequate heating, ventilation, and home maintenance to reduce mold growth and its effects on health.

Small molecule acts as on-off switch for nature's antibiotic factory

Researchers identified a unique interaction between cyclic-di-GMP and protein BldD, which controls the developmental switch in Streptomyces, turning it into an antibiotic factory. The small molecule assembles into a molecular glue, connecting two copies of BldD to regulate development.

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.

Drug shows promise for subset of stage III colon cancer patients

A subset of stage III colon cancer patients with CpG island methylator phenotype (CIMP) showed improved overall survival when treated with irinotecan-based therapy. Patients with CIMP-negative tumors experienced significant harm from the addition of irinotecan, resulting in lower overall survival rates.

Are cigarette substitutes a safe alternative? It depends on user habits

Researchers at the University of Miami found that small dosages of nicotine in cigarette substitutes can harm the musculoskeletal system due to overuse. The study suggests that more information is needed on the potential effects of these alternatives, which are not yet regulated by the FDA.

Prions can trigger 'stuck' wine fermentations, researchers find

Researchers discovered a biochemical communication system behind 'stuck fermentation,' enabling bacteria to switch yeast from sugar to other food sources without altering its DNA. Winemakers can now avoid stuck fermentations by altering sulfur dioxide levels or adding yeast strains that overpower bacteria.

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.

How does it feel to be old in different societies?

A new study published in Psychology and Health found that people aged 70 and over who identify themselves as 'old' feel worse about their own health in societies where they perceive lower value than younger age groups. In contrast, higher social status for older adults is linked to better subjective health.

Second-hand e-cig smoke compared to regular cigarette smoke

Researchers found a 10-fold decrease in harmful particles in second-hand e-cigarette smoke, but increased levels of certain toxic metals like nickel and chromium. This study provides insight for regulatory authorities and highlights the need for better manufacturing standards for e-cigarettes.

Home is where the microbes are

Researchers analyzed samples from seven families over six weeks to understand how people influence the microbial communities in their homes. The study found that hands were the most likely to have similar microbes, while noses showed more individual variation.

Breastfeeding study shows need for effective peer counseling programs

A recent University of Georgia research study reveals that peer groups and clinicians play a critical role in developing effective breastfeeding programs. Mothers who received support from peer counselors reported higher success rates with breastfeeding, attributed to the positive influence of role models.

Synthesis produces new antibiotic

Rice University scientists have successfully synthesized a newly discovered natural antibiotic, viridicatumtoxin B, which shows potent activity against Gram-positive bacteria. The simplified synthesis of this compound may pave the way for developing more effective antibiotics against superbugs.

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.

A new, tunable device for spintronics

Scientists from the University of Mainz have created a tunable spin-charge converter based on GaAs, which can transform charge currents into spin currents with high efficiency. The device leverages the spin-Hall effect and electric field manipulation to achieve this goal.

Mobile app makes ID of harmful plants, insects in Texas a snap

The TX Invasives app allows users to identify 56 invasive plants, 25 insect species, 19 animals, and four pathogens. Citizen scientists have reported over 17,000 invasive species observations since 2005, aiding in management decisions and responding to new threats.

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.

New DNA study unravels the settlement history of the New World Arctic

A comprehensive DNA study reveals that the Paleo-Eskimos were a single group of people who migrated to the Arctic from Siberia around 5,000 years ago, surviving in near-isolation for over 4,000 years. Their culture developed into three discrete cultural units: Inuit, Native Americans, and Thule culture.

A VA exit strategy

A recent Perspective piece in the New England Journal of Medicine suggests that the US may no longer need a separate, expensive VA healthcare system for its rapidly shrinking veteran population. The authors propose transitioning out of the hospital business while continuing to provide specialized services like mental health and rehabil...

Nanoscale assembly line

Researchers at ETH Zurich have developed a nanoscale assembly line that uses mobile assembly carriers and biological motors to assemble complex substances. The system, which is three times thinner than a human hair, enables the selective modification of organic molecules and the assembly of nanotechnological components.

Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

New tool aids stem cell engineering for medical research

Researchers have created an online analytic platform called CellNet to aid stem cell engineering. The tool uses network biology methods to analyze and predict cell fate and corresponding engineering strategies, offering a reliable shortcut for drug development and individualized cancer therapies.

The universal 'anger face'

The 'anger face' is a cross-culturally universal facial expression that employs seven distinct muscle groups to signal the emotional state of anger. Researchers found that each component of the face makes an individual appear physically stronger, suggesting it evolved as a threat display to intimidate others.

Study finds shortcomings in doctor-patient discussions about transplantation

A study of dialysis patients found that clinicians' reported discussions about transplantation did not increase patients' likelihood of being listed, despite patient-reported discussions being associated with a nearly 3-fold increased chance. The findings suggest the need for improved patient communication and informed consent.

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.

This is your brain's blood vessels on drugs

A new method developed by researchers from Stony Brook University and the U.S. National Institutes of Health uses optical coherence Doppler tomography to image how cocaine disrupts blood flow in mouse brains. The technique provides high-resolution images of capillary flows, shedding light on the effects of cocaine on brain physiology.

Electric current to brain boosts memory

Researchers at Northwestern University used Transcranial Magnetic Stimulation to improve memory in healthy adults, showing that specific brain regions can be stimulated to enhance learning abilities. The study's findings have potential applications for treating conditions like Alzheimer's disease and traumatic brain injury.