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Science News Archive March 2013


Page 15 of 30

Swarm intelligence

Researchers found that globally ordered motion breaks down in overcrowded swarms, and a power law describes the average alignment in the direction of motion. Computer simulations revealed new features of individual animal behavior when confronted with high densities and close neighbors.

MS patients did not benefit from CCSVI intervention

A controlled clinical trial found that interventional endovascular therapy for multiple sclerosis (MS) does not improve patient outcomes. The treatment was safe but made symptoms worse in some cases. The study's findings lead to caution against the general acceptance of this invasive procedure for MS patients.

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.

Hot careers in corrosion

The University of Akron's corrosion engineering program aims to tackle the nation's 70,000 structurally deficient bridges and a $400 billion corrosion problem. The institution is now partnering with the Department of Defense to inspire the next generation of corrosion engineers through an interactive exhibit.

Telestroke program increases access to stroke care by 40 percent

A new study reveals that telestroke programs in Oregon increased access to life-saving stroke care by 40%, extending coverage to previously uncovered communities. The program utilizes telemedicine systems to bring expert consultations and treatments, reducing disparities in stroke care access.

NASA's Webb Telescope gets its wings

The James Webb Space Telescope's primary mirror backplane support structure is nearing completion with the recent assembly of its wings. The complex wing assemblies feature 900 separate parts made of lightweight graphite composite materials.

PCa markers improve predictive performance of existing clinical variables

A genetic score based on PCa risk-associated SNPs improves predictive performance of existing clinical variables, especially for patients with low PSA levels. The study identified 25 SNPs significantly associated with PCa risk and found that the genetic score was an independent predictor of biopsy outcomes.

Mobile LIDAR technology expanding rapidly

Mobile LIDAR promises to change the way we see, study, and record the world around us, providing highly detailed and precise maps of landscapes. The technology has vast potential in various fields, including surveying, transportation engineering, and virtual tourism.

Apple iPhone 17 Pro

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

Sorting out fertility after childhood cancer

Researchers have developed a multi-parameter sorting approach to separate healthy spermatogonial stem cells from cancerous cells, enabling the removal of malignant material during transplantation. This method shows promise for preserving fertility in male childhood cancer survivors.

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.

Nature: Smallest vibration sensor in the quantum world

Researchers created a quantum sensor that detects the smallest vibrations in a carbon nanotube by measuring the effects of a magnetic spin on its mechanical motion. The device has potential applications in determining individual molecule masses and measuring magnetic forces.

Lost frog DNA revived: Lazarus Project

A team of scientists has successfully revived the DNA of an extinct Australian frog species, Rheobatrachus silus, using somatic cell nuclear transfer. The 'Lazarus Project' aims to bring back the bizarre gastric-brooding frog, which uniquely swallowed its eggs and gave birth through its mouth.

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.

Depression in kids linked to cardiac risks in teens

Research suggests depression in childhood increases risk of obesity, smoking and physical inactivity in adolescence, leading to higher rates of heart disease. Depression appears to be a key factor in the development of cardiac risk behaviors, even after remission.

Study uncovers new cells in the urethra which may detect hazardous substances

A recent study has identified a previously unknown cell type in the urethra of mice, which expresses cholinergic receptors and may serve as sentinels to detect hazardous substances. This finding could provide insight into cellular interaction and defensive measures against pathogens, potentially preventing urinary tract infections.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

College kids who don't drink milk could face serious consequences

A new University of Illinois study reveals that college-age kids who don't consume at least three servings of dairy daily are three times more likely to develop metabolic syndrome. The researchers found that only one in four young persons met the recommended amount of dairy, leaving three-fourths at risk.

Researchers create nanoscale spinning magnetic droplets

Researchers at North Carolina State University have successfully created a magnetic soliton – a nano-sized, spinning droplet that preserves its size and momentum. The discovery has significant implications for the development of spin-based computers.

New beautifully colored long-horned beetle from Yunnan, China

A new species of long-horned beetle has been discovered in Yunnan Province, China, characterized by its striking blue-greenish body and blue legs. Seven previously unknown species have also been recorded from the region, including rare ones found only in China, Myanmar, and Vietnam.

'Hot spots' ride a merry-go-round on Jupiter

Scientists have found that Jupiter's hot spots are created by a Rossby wave pattern, which glides up and down through layers of the atmosphere. The researchers mapped wind speeds and tracked small cloud movements to tease out individual motions, revealing the wave's true nature.

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.

Know thyself: How mindfulness can improve self-knowledge

A new study suggests that mindfulness can help overcome barriers to self-knowledge, including blind spots in thinking, feeling, and behaving. By increasing bodily awareness, mindfulness may reduce emotional reactivity and improve our ability to see ourselves more accurately.

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.

Night shifts may be linked to increased ovarian cancer risk

Research published in Occupational and Environmental Medicine found that night shift workers have a higher risk of developing ovarian cancer. Women who identified as 'owls' had a lower risk compared to those who were 'larks'. The study, based on data from over 1,100 women, suggests that melatonin may play a role in the increased risk.

NASA sees Cyclone Tim develop in the Coral Sea

Cyclone Tim has matured into Tropical Storm Tim over the Coral Sea, with NASA tracking its movement and predicting intensification. The storm is expected to pass east of Willis Island and then head toward Queensland Australia's east coast.

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.

Playing action videogames improves visual search

Researchers found that playing action videogames for a short time enhances visual search skills in complex scenes. Players showed improved performance on tasks such as finding targets among distractions. The benefits of gaming on visual search were comparable to those seen with driving games.

Transplanted brain cells in monkeys light up personalized therapy

Researchers successfully transplanted neural cells derived from adult monkey skin into their brains, developing into several types of mature brain cells. The transplants showed minimal immune rejection and no signs of cancer, paving the way for potential treatment for diseases like Parkinson's.

Polar bears' family secrets revealed with DNA sequencing

A new study published in PLOS Genetics found that brown bears on Alaskan archipelago descended from polar bears through hybridization, not the other way around. The research used DNA sequencing to analyze the X chromosomes of the brown bears and found that 6.5% of them had recently come from polar bears.

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.

DNA study clarifies relationship between polar bears and brown bears

A new genetic study has overturned previous ideas about the evolutionary history of polar bears and brown bears. The research found that a population of brown bears on Alaskan islands had a remarkable history of hybridization with polar bears, resulting in striking genetic similarities between the two species.

Series of studies first to examine acupuncture's mechanisms of action

Researchers at Georgetown University Medical Center have demonstrated how acupuncture can significantly reduce the stress hormone response in an animal model of chronic stress. The study used rats and found that electronic acupuncture blocks the chronic, stress-induced elevations of the HPA axis hormones and the sympathetic NPY pathway.

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.

Guiding responsible research in geoengineering

Geoengineering experts Edward Parson and David Keith propose a new structure for regulating geoengineering research to manage climate change risks. They advocate for scientific self-regulation, government authority, and international coordination to ensure low-risk research advances while addressing public concerns.

Teen sexting, the gender gap

A survey of 236 US adolescents found that teens believe sexting causes more harm to others than themselves, but also consider consensual sexting between two people as less harmful. The study reveals a significant gender gap in perceptions, with girls perceived as more harmed by sexting.

High-fat dairy products linked to poorer breast cancer survival

A recent study published in the Journal of the National Cancer Institute found that consuming high-fat dairy products following breast cancer diagnosis increases the risk of dying from the disease. The study tracked over 1,800 women and found an association between high-fat dairy intake and poorer breast cancer survival.

Discards ban could impact seabird populations

Scientists warn that a discard ban may negatively affect seabirds that have come to rely on fish waste from fishing vessels. A study found that 42% of northern gannets targeted fishing vessels for food, highlighting the need for sufficient forage fish to meet their needs.

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.

HPV vaccine trends point to failures in patient education, vaccine programs

New research from the University of Texas Medical Branch reveals staggering low HPV vaccine uptake rates among females and males across various age groups and socio-economic spectrums. The studies suggest inadequate knowledge, lack of physician recommendation, and negative beliefs about vaccines as major hindrances.

New structural insight into neurodegenerative disease

A research team from KAIST solved the structure of Ataxin-1 and its binding partner Capicua, providing molecular details of their interaction. This discovery may lead to new therapeutic targets for treating Spinocerebella Ataxia Type 1 (SCA1) and related neurodegenerative diseases.

Sleepwalkers sometimes remember what they've done

Research by Antonio Zadra dispels myths about sleepwalking, revealing that sleepwalkers can recall their actions and that a genetic factor plays a significant role in the disorder. The study also found that sleepwalking is not just a problem of transitioning between deep sleep and wakefulness.

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.

Breakthrough research shows chemical reaction in real time

Scientists used ultrafast X-ray pulses to study a chemical reaction in real-time, revealing surprising details of a short-lived early state at the catalyst's surface. The study offers important clues about how catalysts work, which is essential for producing new energy sources and reducing pollution.

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.

New cancer diagnostic technique debuts

A team of Chilean researchers, with collaboration from Carnegie's Wolf Frommer, has devised a molecular sensor to detect lactate levels in individual cells in real-time. This breakthrough provides an unprecedented sensitivity and range of detection for non-invasively detecting cancer.

Children of divorced parents more likely to start smoking

A new analysis of 19,000 Americans shows that children from divorced families are significantly more likely to initiate smoking. Men who experienced parental divorce before age 18 have a 48% higher odds of smoking, while women from divorced families have a 39% higher risk.

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.