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Science News Archive May 2012


Page 23 of 31

Elderly women with irregular heart beat at higher risk for stroke

A new study published in JAMA found that elderly women with atrial fibrillation are at a higher risk of stroke than men. The study suggests that these women may need more effective stroke prevention therapy, which could be targeted towards female sex as a key risk factor.

NTU scientists invent superbug killers

Researchers at Nanyang Technological University have developed a superbug killer coating that is 99% effective against bacteria and fungi. The coating uses a magnetic-like feature to attract and kill microorganisms, offering an alternative solution to combat antibiotic-resistant superbugs.

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.

Experiences of migrant children: At home abroad

Research finds that many migrant children have positive experiences, but some face racism, language barriers, and access issues. Policy recommendations include national guidance, better funding, and clear training for professionals.

New study shows bird color variations speed up evolution

Researchers found that birds with multiple plumage colour forms evolve into new species faster than those with only one colour form. The study, published in Nature, used decades of data and genetic information to confirm a 60-year-old evolution theory.

UI professor identifies largest known crocodile

A University of Iowa researcher has discovered a new species of crocodile, the largest known true crocodile, which lived between 2 and 4 million years ago in Kenya. The species, Crocodylus thorbjarnarsoni, is estimated to have measured up to 27 feet in length, making it significantly larger than the present-day Nile crocodile.

EMBO welcomes 55 leading life scientists as members

EMBO welcomed 55 new members, including 13 female scientists, representing a broad cross-section of life sciences. The selected researchers will contribute to the direction of life sciences in Europe and beyond through their involvement with EMBO activities.

Self-worth needs to go beyond appearance

A study published in Springer's Sex Roles journal found that high family support and low pressure to achieve a 'thin ideal' are linked to a positive body image in young women. The research identified five key factors that promote resilience, including evaluating expectations, effective coping skills, and promoting holistic well-being.

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.

Babies' brains benefit from music lessons, researchers find

Research at McMaster University found that interactive music classes with parents improve babies' communication skills, such as smiling and waving goodbye. The study also showed that infants' brains respond differently to musical tones in interactive versus passive listening conditions.

Apple iPhone 17 Pro

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

ASBMR responds to NEJM's study on biphosphonates

The American Society for Bone and Mineral Research (ASBMR) emphasizes the need for further research to improve treatment guidelines for osteoporosis patients taking bisphosphonates. The organization suggests that more research is necessary to determine the optimal length of therapy, as current recommendations may not be suitable for al...

First instrument for the JWST is completed and handed over to NASA

The Mid InfraRed Instrument (MIRI) has been declared ready for delivery to NASA's Goddard Space Flight Center. This instrument will allow astronomers to explore the formation of planets around distant stars and could pave the way for investigations into other planetary systems.

New under the sun: Recurrent genetic mutations in melanoma

A team of scientists has sequenced the whole genomes of 25 metastatic melanoma tumors, confirming the role of chronic sun exposure and revealing new genetic changes. The study identified a gene called PREX2, which is mutated in 44% of patients and appears to accelerate tumor 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.

Secrets of the first practical artificial leaf

The new device splits water into hydrogen and oxygen gas, releasing hydrogen for fuel cells to make electricity. It employs abundant Earth materials, replacing expensive metals like platinum.

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.

Portable diagnostics designed to be shaken, not stirred

Researchers at the University of Washington have developed a low-cost portable diagnostic system that uses a textured surface to move small drops of liquid along predetermined paths. The system, inspired by the lotus effect, requires little energy and avoids contamination.

Costs of screening children for sudden cardiac death outweigh its benefits

Researchers found that screening programs can save lives, but at a significant cost, with estimated annual costs ranging from $90,000 to $200,000 per life year saved. The study suggests that finite public health resources may be better spent elsewhere due to the rarity of conditions causing sudden cardiac death in children.

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.

Why do people choke when the stakes are high?

A study by Caltech researchers suggests that when high financial incentives are involved, people become afraid of losing their potential reward and perform worse. The team found that the more someone is afraid of loss, the worse they perform, and that this effect even occurs when there are no explicit losses.

Not your grandma's quilt

A group of researchers at the University of California, Riverside developed a technique to lower hot spots in GaN transistors by introducing graphene multilayers, increasing device lifetime by a factor of 10. The new approach represents a transformative change in thermal management.

Plastic trash altering ocean habitats, Scripps study shows

A new study reveals a 100-fold surge in small plastic debris in the North Pacific Ocean Subtropical Gyre, altering marine habitats and changing natural ecosystems. The influx of plastic has led to an increase in sea skater egg densities, potentially affecting animals across the food web.

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.

Creating a new weapon in the fight against malaria

Researchers developed a new class of compounds that block malaria transmission from humans to mosquitoes by inhibiting bumped kinase I. This approach represents a new strategy for controlling malaria spread. The study's preclinical data in mice suggests the inhibitors are safe and well-tolerated.

Negative view of foreign aid for health is based on flawed analysis

A recent study in PLOS Medicine challenges the widely-held view that foreign aid for health displaces government funds in recipient countries. Experts Rajaie Batniji and Eran Bendavid re-analysed data to find no straightforward negative relationship between government spending on health and foreign aid for health.

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.

JCI early table of contents for May 8, 2012

Researchers have discovered a new class of malaria transmission-blocking compounds that work by inhibiting bumped kinase I, blocking the parasite's infectious stage. Genetic variation is also linked to high blood pressure, with researchers finding that inhibiting renin pathway activity can return blood pressure to normal levels.

Model forecasts long-term impacts of forest land-use decisions

A new computer model developed at NC State University predicts the environmental impact of forest land-use decisions, considering factors such as plant growth and water cycles. The DRAINMOD-FOREST model will help policy makers and forest managers make informed decisions to minimize environmental harm while maintaining forest productivity.

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.

Intrauterine devices provide the most effective emergency contraception

A systematic review of data from 35 years found that intrauterine devices (IUDs) have a failure rate of less than one per thousand and are more effective than the morning after pill. IUDs also provide long-term protection against unwanted pregnancy, making them a recommended option for emergency contraception.

Heart patients with a distressed personality reported worse health

A new study found that heart patients with a distressed personality type (Type D) reported worse health after having an implanted internal defibrillator. Those who received a shock from their device within the first year scored themselves up to 30 points lower than others, indicating poorer overall health and mental well-being.

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.

Americans fall short of federal exercise recommendations

Despite federal recommendations for four hours of physical activity per week, Americans spend only about two hours engaging in sports and fitness activities. The most prevalent activity is dedicated walking, with teenagers spending seven times more time playing basketball than older adults.

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.

Palliative care resource helps ease changes

The Changes Toolkit helps palliative care patients and their care providers navigate physical, emotional, and relationship changes with a self-administered interactive resource. The toolkit provides a foundation for conversations about health, goals of care, and living wills, aiming to ensure better outcomes for patients and families.

A new accelerator to study steps on the path to fusion

The NDCX-II accelerator is a compact machine designed to produce powerful pulses of ion beams that can accelerate heavy-ion fusion energy production. Research with NDCX-II aims to advance the acceleration, compression, and focusing of intense ion beams.

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.

Study indicates finding a positive parental balance is key

Researchers found that parents with a firm but fair style tend to have children with positive behavior, while those with overly permissive or authoritarian styles are associated with negative behavior. Effective parenting involves providing structure and routines in a loving and clear way.

Physical activity linked to reduced mortality in breast and colon cancer patients

A recent study published in the Journal of the National Cancer Institute found that physical activity is associated with reduced mortality in breast and colon cancer patients. The research suggests that exercise may provide benefits such as improved insulin levels, reduced inflammation, and enhanced immunity for cancer survivors.

Sequencing works in clinical setting to help -- finally -- get a diagnosis

Researchers used next-generation sequencing to identify genetic causes of developmental delays and congenital abnormalities in seven out of twelve patients. The study found that the technology can provide a diagnosis about half of the time, motivating its use for patients with unknown genetic conditions.

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.

Are women with a history of violent experiences more likely to have risky sex?

A study by Miriam Hospital found that women experiencing multiple forms of violence, including community and childhood maltreatment, are more likely to take significant sexual risks. The research highlights the need for clinicians to consider the overlap between violence and sexual risk-taking in order to impact health consequences.