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Science News Archive April 2015


Page 18 of 36

Bacterial flora of remote tribespeople carries antibiotic resistance genes

Researchers found antibiotic resistance genes in Yanomami tribespeople who had never been exposed to antibiotics, suggesting that bacteria have resisted antibiotics since long before their use. The study reveals a link between decreased bacterial diversity and increased diseases such as obesity and diabetes.

Studying how species evolve

The documentary follows University of Miami researcher J. Albert C. Uy as he investigates a genetic mutation causing two bird populations to split into separate species. Uy's research aims to unlock secrets of speciation and the planet's animal diversity.

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.

Kids with ADHD must squirm to learn, study says

Research reveals that children with ADHD must squirm to learn, as fidgety movements aid in remembering information and working out complex cognitive tasks. The study's findings challenge the conventional methods for helping children with ADHD, which often focus on reducing hyperactivity.

Telling the time of day by color

A new study has found that the colour of light impacts how the brain clock measures time of day and regulates animals' physiology and behavior. By analyzing changes in light color around dawn and dusk, scientists discovered that blue light is reliably detected during twilight hours, unlike during the day.

Effectiveness of new stroke treatment confirmed

A new endovascular therapy procedure for ischemic stroke has been shown to improve patient outcomes, increasing positive results from 35% to 60%. The study, SWIFT-PRIME, randomized 196 patients and found a significant reduction in mortality rates, with an overall decrease of 50% compared to standard treatment.

Fruit fly studies shed light on adaptability of nerve cells

Researchers discovered a feedback signalling mechanism responsible for changes in nerve cells exposed to prolonged light, which may help protect neurons from degeneration. The study provides insight into synaptic plasticity and potential therapeutic applications for neurodegenerative diseases.

Apple iPhone 17 Pro

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

Beyond the lithium ion -- a significant step toward a better performing battery

Scientists at the University of Illinois Chicago have made a significant breakthrough in battery technology by replacing lithium ions with magnesium ions, which can carry twice the positive charge. This development could lead to the creation of high-voltage, high-energy batteries that can outperform existing lithium-ion batteries.

Cancer and chemobrain: Cancer diagnosis affects cognitive function

A new study by Ludwig-Maximilians-Universität München attributes mild cognitive defects in breast cancer patients to post-traumatic stress induced by diagnosis, not chemotherapy side-effects. The study found pretreatment cognitive impairment in breast cancer patients was due to stress associated with the disease.

Journal tackles aging policy issues raised by White House

The Gerontological Society of America has produced a special issue outlining a vision for older adults' economic security, health, and social well-being. The issue explores ways to safeguard the success of programs like Medicare, Medicaid, and Social Security.

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.

Key to better sex ed: Focus on gender & power

A new study by Population Council researcher Nicole Haberland found that sexuality and HIV education programs addressing gender and power are more effective than those that do not. The research found that 80% of such programs were associated with a lower rate of STIs or unintended pregnancy, compared to 17% of programs without this con...

A game-changer for stroke treatment

A study found that removing clots in severe strokes, combined with medication, improves blood flow and may lead to better long-term outcomes. The treatment shows promise as a game-changer for certain types of stroke patients.

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.

Devices or divisive: Mobile technology in the classroom

Researchers at Boston College surveyed 59 educators about mobile technology's impact on non-cognitive skills like empathy and teamwork. While teachers were mostly positive about classroom learning benefits, they expressed concerns about digital distraction and its effects on students' social-emotional development.

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.

Wayne State start-up receives prestigious Luis Villalobos Award

RetroSense Therapeutics, a Wayne State University start-up, has received the prestigious Luis Villalobos Award for its innovative optogenetic gene therapy approach. The technology has the potential to treat all forms of blindness due to degenerated photoreceptors.

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.

Evidence grows that melanoma drugs benefit some lung cancer patients

A subset of lung cancer patients with BRAF-mutant cancers may derive significant clinical benefits from treatment with BRAF inhibitors, according to a European study. The trial found an overall response rate of 53% and progression-free survival time of 5 months among patients treated with vemurafenib or dabrafenib.

Wayne State developing new approaches for early diagnosis of Alzheimer's

Researchers at Wayne State University are working on a new approach to diagnose Alzheimer's disease in its earliest stages. The goal is to develop affordable and portable tests that can be easily administered in senior centers or church basements, reducing barriers for African Americans who are disproportionately affected by the disease.

Cognitive problems are common after cardiac arrest

A major international study from Lund University found that half of cardiac arrest patients experience cognitive problems like memory and attention issues. The researchers believe that these issues can be attributed to common risk factors among heart disease patients, including diabetes, high blood pressure, and high cholesterol.

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.

NYU researchers find diabetes perceptions vary according to risk factors

Researchers found differing perceptions among adults at-risk for diabetes based on individual risk factors, including age, ethnicity, and BMI. These findings suggest tailoring diabetes education and outreach to an individual's perceptions can maximize self-care behaviors and reduce adverse outcomes.

A blueprint for clearing the skies of space debris

A new space-based system combines a super-wide field-of-view telescope with a high-efficiency laser to track and deorbit centimeter-sized space debris. The system, proposed by RIKEN scientists, could remove most of the debris within five years of operation.

Unprecedented microbial diversity reported in remote Amazonian tribe

Researchers discovered an unprecedentedly diverse collection of bodily bacteria in isolated Yanomami Indians, with a 40% lower diversity than those in industrialized countries. The study suggests a link between modern antibiotics and reduced microbiome diversity, potentially driving diseases like obesity and diabetes.

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.

Stomach ulcers in cattle

A recent study by researchers at Vetmeduni Vienna found that stomach ulcers in cattle are primarily caused by stress, nutrition, and weather conditions. The bacterial diversity present in the stomachs of healthy and ulcerated animals was nearly identical, suggesting that bacteria play a minor role in the development of ulcers.

Forming school networks to educate 'the new mainstream'

Researchers found educators connecting within and between schools to focus on central goals as they shifted from monolingual to bilingual instruction. School leaders need to foster structures that support teachers embracing new practices.

Researchers make key malarial drug-resistence finding

Researchers at Notre Dame have made a breakthrough discovery in understanding the mechanism of artemisinin resistance in malaria. They found that a specific lipid called phosphatidylinositol-3-phosphate (PI3P) is produced by an enzyme called PfPI3K, and its levels are linked to artemisinin resistance.

Fluke 87V Industrial Digital Multimeter

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

Study links brain anatomy, academic achievement, and family income

A new study led by MIT researchers found that higher-income students have thicker brain cortex in areas associated with visual perception and knowledge accumulation, correlating with better standardized test scores. The differences in brain anatomy could explain up to 44% of the income achievement gap.

INRS professors awarded 2 Google research grants

Professors Tiago Falk and Douglas O'Shaughnessy from INRS Énergie Matériaux Télécommunications Research Centre received Google research grants to improve automatic speech recognition (ASR) accuracy. Their projects focus on reducing background noise and developing new methods to analyze acoustic speech.

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.

Smokers who use e-cigarettes less likely to quit

A recent study published in the American Journal of Public Health found that smokers who use e-cigarettes are 49% less likely to decrease cigarette use and 59% less likely to quit compared to non-users. The researchers discovered that daily smokers and women were more likely to have tried e-cigarettes.

Rainforest protection akin to speed limit control

A study by University of Bonn researchers finds that effective forest law enforcement has been key to slowing down the destruction of the Brazilian rainforest. The team's analysis shows that regions with frequent controls and high penalties have seen significant declines in deforestation.

Astronomers reveal supermassive black hole's intense magnetic field

Astronomers have detected an extremely powerful magnetic field close to a supermassive black hole in a distant galaxy, revolutionizing our understanding of these cosmic phenomena. The discovery was made using the Alma telescope and reveals new insights into the structure and formation of black holes.

A sniff of happiness: Chemicals in sweat may convey positive emotion

A study published in Psychological Science found that people produce chemical compounds, or chemosignals, when they experience happiness that are detectable by others who smell their sweat. This implies that someone who is happy will infuse others with happiness through the scent of their sweat, similar to how smiling can be infectious.

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.

Study finds that maize roots have evolved to be more nitrogen efficient

Research suggests that selective breeding of maize led to the evolution of root systems more efficient in acquiring nutrients like nitrogen. The study found that newer commercial varieties performed better in every agronomic environment, with characteristics known to increase nitrogen uptake.

Fighting the next generation of cyberattacks

A team of US computer scientists are working on an analyzer that can hunt down algorithmic attacks, a new form of vulnerability that is nearly impossible to find with today's technology. The software will perform a mathematical simulation of the software to predict what will happen in the event of an attack.

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.

More analysis from the women's health initiative on hormones, breast cancer

Analysis of two Women's Health Initiative clinical trials reveals a pattern of changing influences on breast cancer incidence over time, with estrogen plus progestin use linked to increased risk and estrogen alone showing reduced risk. The study suggests that ongoing influences after stopping hormone therapy require recalibration of br...