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Science News Archive May 2017


Page 39 of 42

Cardiorespiratory fitness can reduce risk of fatty liver

A Finnish study finds that moderate cardiorespiratory fitness protects against fatty liver, a significant public health concern linked to metabolic disturbances and cardiovascular disease. Achieving cardiorespiratory fitness can help mitigate the risk of fatty liver, regardless of weight status.

Computer model developed to assess risk of a Zika epidemic in real-time

A new computer model assesses real-time Zika epidemic risk in US cities by combining population dynamics, historical infection rates, socioeconomics, and mosquito density. The model predicts that certain counties in Texas have the highest risk of Zika transmission, while others have nearly no risk.

Doctors should question the value of most heavily promoted drugs

Research suggests that pharmaceutical promotion can lead to overprescription of brand-name medications. The study found that top-selling and top-prescribed drugs were more likely to be effective, safe, affordable, novel, and represent a genuine advance in treating a disease. However, heavily promoted drugs often fell short in these areas.

Apple iPhone 17 Pro

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

Earliest relative of Brachiosaurus dinosaur found in France

The discovery of Vouivria damparisensis, an early titanosauriform, provides important evidence on the evolution of brachiosaurid sauropods and their spread across Europe. The fossil reveals that Vouivria died at a young age, weighed around 15,000 kg, and was over 15 meters long.

Smoking decreases MAIT cells, implicated in the pathology of autoimmune diseases

New research published in the Journal of Leukocyte Biology found that smoking decreases frequencies of MAIT cells in healthy individuals and patients with multiple sclerosis. This discovery sheds light on the effects of smoking on the immune system, potentially revealing pathogenic mechanisms contributing to autoimmune diseases.

Fluke 87V Industrial Digital Multimeter

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

New coating surface for superior rust resistance with 'colorless' color

Researchers at Nagoya Institute of Technology created a novel coating process that simplifies the industrial method of electrophoretic deposition, reducing energy demands and costs. The new coating surface is achieved by incorporating non-ionic polymers with a 'colorless' color, enabling mass production in various colors.

For a green alga, spotted salamanders are stressful hosts

A green alga living in the cells of spotted salamanders undergoes molecular changes that stress its energy production, while salamander cells remain unaffected. The symbiotic relationship is unusual and may have implications for other symbiotic systems.

Domino effect in pharmaceutical synthesis

Chemists at FAU have developed a novel synthetic route towards antiviral quinazoline heterocycles using metal-free domino processes. This approach reduces lab work time, costs, and waste, while creating new compounds with intrinsic fluorescence properties.

Novel compound blocks replication of Zika and other viruses

A novel compound called AV-C triggers a cell's innate antiviral system, inhibiting replication of Zika, Chikungunya, and Dengue viruses. Researchers discovered the compound through high-throughput screening, which shows potential as an antiviral immunotherapy.

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.

Microphysical differences in precipitation between Tibet and southern China

A study analyzing raindrop size distribution data over Tibet and southern China reveals significant microphysical differences in precipitation. The results indicate lower raindrop number concentrations for convective precipitation in Tibet, while larger raindrops show similar characteristics in both regions.

Researchers create a roadmap of bipolar disorder and how it affects the brain

A global consortium has created the first map of bipolar disorder's impact on the brain, revealing clear differences in brain regions controlling inhibition and emotion. The study found significant thinning of gray matter in patients with bipolar disorder, particularly in areas responsible for emotional regulation.

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.

WFU chemistry professor receives NSF CAREER Award for $500,000

Wake Forest University chemistry professor Michael Gross has been awarded a $500,000 NSF CAREER grant to develop nanomaterials at high temperatures. The award aims to support his research on more efficient fuel cell technologies, benefiting both Wake Forest's engineering program and its students.

At last, a clue to where cancer metastases are born

Scientists at Scripps Research Institute discovered that invasive tumors can send out tumor cells earlier than thought, which may seed secondary tumors years later. The escaping cells enter the bloodstream by entering blood vessels deep within the dense tumor core, upending the long-held belief about metastatic cell origin.

Stool microbes predict advanced liver disease

Researchers found that patients with advanced nonalcoholic fatty liver disease (NAFLD) tend to have more Proteobacteria and fewer Firmicutes in their stool than those with early stage NAFLD. A stool-based test for NAFLD is being developed using microbial patterns, which could potentially diagnose the condition earlier and more easily.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Fluid flow in the brain unravelled for the first time

A new study reveals that cerebral veins play a crucial role in regulating the brain's blood flow by storing and releasing blood throughout the cardiac cycle. This finding has significant implications for understanding diseases such as vascular dementia and normal pressure hydrocephalus.

Weight loss can slow down knee joint degeneration

A recent study found that significant weight loss over a 48-month period can slow down knee joint cartilage degeneration. Patients who lost more than 10% of their body weight showed lower rates of cartilage degeneration compared to those with stable weight.

How fluids flow through shale

Researchers used a coarse-grain approach to model the behavior of fluids in tiny pores within shale rock. The simulations incorporated high-resolution imagery of shale samples, allowing for better probing of the underlying physics. This new understanding could lead to more efficient oil and gas extraction methods.

Celestron NexStar 8SE Computerized Telescope

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

Prescribing patterns change following direct marketing restrictions

A study by NIH-funded researchers found that policies restricting pharmaceutical promotion to physicians resulted in fewer prescribed promoted drugs and more non-promoted drugs in the same drug classes. The analysis encompassed over 16 million prescriptions, showing a modest but significant decline in the use of promoted drugs.

Potential for Saudi Arabian coral reefs to shine

Researchers found that fish biomass is 62% higher in Sudanese reefs compared to Saudi Arabian reefs, highlighting the effect of fishing on local ecosystems. The study suggests that careful management and protection could restore Saudi's reefs to their former state, making them suitable for eco-tourism

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.

Simple blood tests lead to improved hypertension treatment in African countries

Researchers at Western University developed a simple blood test to identify physiological changes causing resistant hypertension, leading to improved treatment outcomes. The study found that patients treated with the test had 50% controlled blood pressure after one year, compared to 11.1% in those receiving usual treatment.

Researchers develop recycling for carbon fiber composites

A new chemical recycling method has been developed to recycle carbon fiber composites, which are difficult to break down or recycle. The method uses mild acids and low temperatures to break down the thermosets, preserving the carbon fibers in a useful form that can be easily reused.

New data shows avocado consumers have improved nutrient intakes

Consuming avocados may be associated with better diet quality, higher intake of essential nutrients, lower body weight, lower BMI, and smaller waist circumference. Avocado consumers also have lower insulin and homocysteine levels, as well as a reduced incidence of metabolic syndrome.

New look at satellite data quantifies scale of China's afforestation success

A new study analyzed high-resolution satellite data to quantify the impact of China's afforestation programs, finding that most new tree cover consists of sparse, low-density plantations. The research provides valuable insights for policymakers and researchers, enabling them to track returns from tree-planting investments and identify ...

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.

Electroconvulsive therapy (ECT) is safe

A systematic review by Aarhus University researchers documents that ECT-related deaths are extremely rare, with only one reported death out of 414,747 treatments. The study highlights the procedure's highly beneficial effects on mental disorders, outweighing potential side effects like memory impairment.

Woods named 2017 Minnie Stevens Piper professor

Bob Woods, a UTA mechanical engineering professor, has been named a 2017 Piper Professor. He is the 10th UTA professor to receive this honor, which recognizes outstanding college professors across Texas.

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.

Research into tumor cells begins at University of Warwick

Researchers at University of Warwick study brain tumor cells to investigate the cause of genetic defects in cancer cells. They aim to better understand how these problems occur and potentially develop drugs to stop cancer cells forming.

Antarctic Peninsula ice more stable than thought

A new study found the Antarctic Peninsula's glaciers are losing ice at a rate of 15 cubic kilometers per year, not three times as much as previously reported. The glacier speed increase is attributed to ocean melting and warming, causing dynamical imbalance in Western Palmer Land.

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.

People could be genetically predisposed to social media use

A recent study found that genetics play a significant role in determining social media use, accounting for one-third to two-thirds of the variance. The research used twin study survey data and provided an analytical blueprint for studying genetic influence on communication behaviors.

USC Viterbi School of Engineering faculty awarded multiple MURI grants

Researchers at USC Viterbi are working on three MURI projects: one on cybersecurity to combat increasing threats, another on advancing quantum computing, and a third on developing improved polymers for energy use. These grants bring $8.4M in funding to support innovative research in these areas.

PET/CT helps predict therapy effectiveness in pediatric brain tumors

Researchers used PET/CT scans to determine the potential effectiveness of bevacizumab treatment in children with diffuse intrinsic pontine glioma (DIPG). The study found that non-invasive imaging can help predict therapeutic potential and toxicity, paving the way for personalized medicine approaches.

Russian scientists plot antibiotic resistance on a world map

The ResistoMap tool helps identify national trends in antibiotic use and control antibiotic resistance globally. By analyzing human gut microbiota, the map reveals correlations between antibiotic use patterns and resistome variations, shedding light on the global battle against antibiotic resistance.

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.

Putting students closer to explosive solar events

Researchers at New Jersey Institute of Technology are investigating solar physics to improve prediction and countermeasures for explosive solar events. They're using high-resolution radio data from state-of-the-art telescopes like Owens Valley Solar Array.

Is the blog to blame for Vladimir Putin's 2011-12 elections defeat?

A Florida Atlantic University study found that blogs from the opposition had a significant impact on shifting political perceptions and electoral outcomes in Russia. Exposure to dissident content on Western social media platforms played a crucial role in fueling skepticism about electoral fraud.

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.

$8 million grant to reduce tobacco use in high-use countries

The University of Illinois Chicago has received an $8 million grant from Bloomberg Philanthropies to develop effective tobacco tax systems in low- and middle-income countries. The grant will support global research, policy development, and public awareness campaigns to reduce worldwide demand for tobacco.

Biology's need for speed tolerates a few mistakes

A new paper reveals that evolution has optimized two fundamental biological processes, DNA replication and protein translation, to prioritize speed over accuracy. The research suggests that a few mistakes are tolerable as long as the majority of biopolymers produced are correct, and energy savings can be significant.

Why space dust emits radio waves upon crashing into a spacecraft

Researchers used simulations to show that plasma from hypervelocity impacts creates damaging electromagnetic radiation by separating ions and electrons at different speeds. The study aims to verify the theory of senior author Sigrid Close, who previously suggested that hypervelocity impact plasmas are responsible for satellite failures.

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.

BYU study finds more evidence why depressed dads should seek help

A new study by BYU social work professor Kevin Shafer finds that a father's depression can have a direct effect on both internalized and externalized behavioral problems in adolescents. In contrast to maternal depression, which affects children more subtly, a dad's depression impacts kids with heightened anger and aggression.

Geologists use radioactive clock to document longest earthquake record

Geologists used radioactive elements trapped in calcite crystals to create a 'clock' that measured the age of each event, revealing 13 distinct seismic events over 400,000 years. The study sheds light on the mechanics of earthquakes in intraplate faults and their relationship with human activities.

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.

Research shows no link between formaldehyde and leukemia

A recent analysis of data from a critical epidemiological study found no association between formaldehyde exposure and acute myeloid leukemia. The study's findings contradict previous studies that reported associations between formaldehyde exposure and certain types of leukemia.

Georgia State $3.1 million grant to test application to reduce maternal depression

Researchers at Georgia State University are testing a new mobile phone application that combines two existing programs to decrease maternal depression and build parenting skills. The project aims to promote infant social-emotional health and development, with the potential to reach larger numbers of mothers than traditional programs.