Bluesky Facebook Reddit Email

Science News Archive November 2017


Page 26 of 42

When water met iron deep inside the Earth, did it create conditions for life?

Reservoirs of oxygen-rich iron between the Earth's core and mantle may have played a major role in shaping our planet's history. The discovery suggests that massive iron dioxide rocks could be generated annually above the core, releasing oxygen into the atmosphere, potentially triggering the Great Oxygenation Event.

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.

CRISPR-carrying nanoparticles edit the genome

Researchers at MIT have created a new delivery system for the CRISPR genome-editing system, using nanoparticles to target and delete disease-causing genes. The technique achieved an 80% success rate in deleting the Pcsk9 gene, which regulates cholesterol levels, resulting in a 35% drop in total cholesterol levels.

Secret alter ego of well-known protein fights leaky blood vessels

Scientists discovered a new cell signaling pathway governed by Notch signaling protein that keeps blood vessels intact, which could lead to better drug development and reduce side effects of cancer and cardiovascular treatments. The new pathway operates through a different mechanism than the protein's known transcription-based pathway.

The pros and cons of large ears

Researchers at Lund University found that large ears increase air resistance in bats, making flight less energy-efficient. However, they also provide better hearing and generate more lift, which is crucial for echolocation. The study suggests that evolution has made a compromise between flying efficiency and optimal echolocation ability.

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.

Driving a Tesla may not trip your defibrillator

Researchers found that sitting in or standing near a charging Tesla port did not trigger a shock or affect defibrillator performance. The study's findings suggest electric vehicles are safe for individuals with cardiac defibrillators, according to the principal investigator.

CANDLE shines in 2017 HPCwire Readers' and Editors' Choice Awards

CANDLE, a scalable deep learning framework developed by Argonne's Exascale Deep Learning and Simulation Enabled Precision Medicine for Cancer project, was recognized with the award. The framework has achieved impressive results, including explaining over 92% of variance in drug response.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Medicaid expansion under ACA linked to higher rate of smoking cessation

A new analysis found that when low-income adults were newly covered by Medicaid under the Affordable Care Act, they were more likely to quit smoking cigarettes than their counterparts in states without Medicaid expansion. Smoking cessation programs provided through Medicaid led to a significant increase in quitting rates.

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.

Genes that hold the clues to bladder cancer and its treatment

Researchers from the University of Leeds found two genetic variants in non-invasive bladder cancer tumours, which could lead to more personalized therapy. The study also revealed that women are more likely to have a defect in a specific tumour suppressor gene, opening up new avenues for research.

Scalable clusters make HPC R&D easy as Raspberry Pi

A new system using thousands of Raspberry Pi nodes brings a powerful HPC testbed to system-software developers and researchers, enabling them to work on large supercomputers without dedicating expensive machine time. The scalable clusters have applications in education, internet of things, and HPC network topology research.

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.

Psychological targeting and mass persuasion

Researchers used Facebook ads targeted at users' personality traits, showing up to 1.4 times more clicks and 1.5 times more product purchases than non-targeted ads. The study suggests that psychological targeting is an effective approach to digital mass persuasion.

Printing a better actuator, actually

The NSF grant aims to improve the properties of magnetic shape-memory alloys, enabling efficient and economical production of magnetic actuators used in various industries. The researchers will use binder jet printing to enhance the microstructure and properties of these alloys.

How bacteria in the gut influence neurodegenerative disorders

Studies show that gut-derived metabolites may prevent neurodegeneration, while probiotic treatment corrects memory problems in an Alzheimer's mouse model. The research suggests targeting the gut could be a promising angle to tackle brain disorders across the lifespan.

Apple iPhone 17 Pro

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

Uncovering a reversible master switch for development

Researchers identified a reversible 'master switch' that regulates developmental genes in fruit flies, providing a conceptually simple explanation for how different cell types are formed. This discovery could lead to a better understanding of cancer mutations and the development of new therapeutic strategies.

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.

Livestock, food supply, and greenhouse gases

A study models the effects of removing farmed animals from the US agricultural system on food production and greenhouse gas emissions. Removing animals resulted in increased food availability, but also led to nutrient deficiencies and reduced GHG emissions by 28%. The removal of animals had unintended consequences on the food supply

Five health indicators are enough to predict cardiovascular risk in healthy people

A new study finds that a simple tool, Fuster-BEWAT score, can predict cardiovascular risk in healthy individuals using five health indicators: blood pressure, physical activity, body-mass index, fruit and vegetable intake, and smoking status. The Fuster-BEWAT score is as effective as the American Heart Association-recommended ICHS index.

Scientists to brief UNFCCC's Patricia Espinosa on climate tipping points

Scientists are sounding the alarm on climate tipping points, warning that the planet is approaching critical thresholds that could lead to abrupt and irreversible changes in the Earth system. The World's top climate scientists have released a statement emphasizing the need for rapid action to avoid these tipping points.

Meta Quest 3 512GB

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

Parkinson's disease: A looming pandemic

The number of people with Parkinson's disease is expected to grow to 14.2 million by 2040 due to increasing life expectancy and population aging. The medical community must mobilize to respond to this growing public health threat, advocating for increased research funding, access to care, and affordable treatments.

Blood test spots overdose patients at risk of liver damage

A new blood test can accurately predict which patients are at risk of liver damage from paracetamol overdose, enabling targeted treatment and reducing hospital stays. The test detects three specific molecules associated with liver damage, allowing for earlier intervention and more effective care.

Fluke 87V Industrial Digital Multimeter

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

UC-led study could bring about strategies to increase 'good' cholesterol

A research team from the University of Cincinnati has developed a consensus model of human apolipoprotein A-I, a key component of HDL, which could lead to new strategies for increasing good cholesterol. This breakthrough was achieved through collaborative effort and innovative use of indirect experimental techniques.

Bright and shining molecules for OLEDs and new drugs

A new technique for synthesizing thiophene derivatives has been developed, offering a convenient and effective two-step procedure. The compounds exhibit promising photophysical properties, including fluorescence, making them suitable for various applications, including OLEDs and potential biomedicine uses.

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.

Learning from photosynthesis

Researchers have developed a synthetic system for energy gathering, conversion, and transport inspired by natural photosynthesis. The system uses DNA nanotechnology to spatially control and organize chromophores, mimicking the arrangement of densely packed chromophores in plants and photosynthetic bacteria.

Global emissions inching up after years of flat growth

Global carbon dioxide concentrations reached a record 403 parts per million in 2016, and are expected to increase by 2.5 parts per million in 2017. The United States and European Union are projected to see slight declines in emissions this year, while China's emissions are expected to grow by approximately 3.5 percent.

Monopole current offers way to control magnets

Researchers from RIKEN discovered a way to control the properties of north and south poles in frustrated magnets using monopole currents. The system's conductivity can be controlled by applying magnetic fields, enabling efficient magnetism control with minimal energy loss.

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.

'Mini liver tumors' created in a dish for the first time

Researchers have successfully created mini biological models of human primary liver cancers, known as organoids, in the lab. These tiny laboratory models were used to identify a new drug that could potentially treat certain types of liver cancer, showing promising results for personalized medicine and reducing animal usage.

Memory complaints and cognitive decline: Data from the GuidAge study

The GuidAge study suggests that memory complaints reported by elderly individuals can predict a decline in cognitive performance. Five specific items on the McNair and Kahn Scale were found to be statistically significant, including difficulty remembering phone numbers, appointments, and instructions.

Mapping functional diversity of forests with remote sensing

Researchers developed a new remote-sensing method to map functional diversity of forests from small to large scales, independent of predefined vegetation units or species information. This allows for the assessment of forest health, resource use efficiency, and adaptation to environmental conditions.

Researchers create largest, longest multiphysics earthquake simulation to date

A team of researchers from LMU and TUM used supercomputing resources to simulate a massive earthquake with 1,500km of non-linear fracture mechanics, achieving a 13-fold improvement in time to solution. The simulation helped understand the complex process behind megathrust earthquakes, which can unleash violent tsunamis.

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.

Engineering non-immune cells to kill cancer cells

Researchers have developed a novel approach to combat cancer using synthetic designer cells that mimic T-cells. These cells can detect and kill cancer cells while minimizing side effects, offering a promising new treatment option.

Celestron NexStar 8SE Computerized Telescope

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

Your stress and mine

A Tel Aviv University study found that people often project their own experiences with stress onto colleagues, causing miscommunication and missed opportunities. The research showed that a person's individual stress mindset colors their perception of others' health, productivity, and burnout levels.