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Science News Archive August 2011


Page 3 of 27

New chemical reagent turns mouse brain transparent

Researchers at RIKEN have developed a new aqueous reagent, Scale, which renders biological tissue transparent, allowing for vivid 3D images of neurons and blood vessels deep inside the mouse brain. The reagent's unique properties enable visualization of fluorescently-labeled samples at unprecedented depths and levels of spatial detail.

Apple iPhone 17 Pro

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

Studies question effectiveness of sex offender laws

Two studies cast doubt on whether sex offender registries work as intended, finding that registration requirements reduce reported sex crime by up to 13%, but public notification may actually increase recidivism. A third study finds no evidence that sex offender registries are effective in increasing public safety.

Localizing language in the brain

Researchers used innovative fMRI technique to pinpoint areas of the brain dedicated solely to language. Eight out of nine analyzed regions uniquely supported language tasks, while remaining regions showed no activation for non-language tasks.

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.

Health systems research needs overhaul

The article emphasizes the need for a structured approach to health policy and systems research (HPSR), citing its current challenges. To address this, the authors propose establishing dedicated homes for HPSR in universities and independent research institutes.

Researchers build a tougher, lighter wind turbine blade

Researchers have developed a new wind turbine blade material that is lighter, tougher, and more durable than current materials. The polyurethane reinforced with carbon nanotubes outperforms existing resins for wind blades applications.

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.

Hospitalized children who carry MRSA at risk for full-blown infections

A Johns Hopkins Children's Center study of over 3,000 hospitalized children reveals that those colonized with MRSA but not sick are at significant risk for developing full-blown infections. The study found nearly six times more likelihood of invasive MRSA infections among carriers compared to noncarriers.

Awareness of ethnicity-based stigma found to start early

New research finds that even elementary school children from ethnic-minority backgrounds are aware of stigma and experience higher levels of academic anxiety. However, surprisingly, these students also report high interest in school, with close connections to peers playing a key role in maintaining this interest.

Meta Quest 3 512GB

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

Computers are oversold and underused

A study in Bahrain, Jordan, and UAE finds that ICT is used mechanically to optimize equipment and perpetuate cultural traditions, rather than enhancing student abilities.

Patients’ health motivates workers to wash their hands

A new study by Adam Grant found that healthcare professionals are more likely to wash their hands when reminded of the importance of keeping patients safe. The sign with a patient-focused message increased soap and gel use by 33% and hand-washing rates by 10%. This challenges prevailing wisdom on safety messages.

Happiness: All in who you know, goals

A study by Bernardo J. Carducci found that happy college students who are less outgoing focus on family and friends connections, positive thinking, and goal-oriented activities, leading to increased happiness. Additionally, goal-oriented students tend to be happier due to engaging in purposeful leisure and spiritual reflection.

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 of childhood bullying shifts focus to victims

A new study found that children's social goals play a crucial role in how they respond to bullying. Children who are interested in developing relationships tend to have more positive perceptions and use proactive strategies to solve conflicts. In contrast, those who want to be perceived as 'cool' or competent may retaliate and engage i...

Wolves may aid recovery of Canada lynx, a threatened species

Scientists suggest that wolves may play an important role in helping to save the threatened Canada lynx by controlling coyote populations, which are a major food source for the lynx. This 'trophic cascade' of impacts has contributed to the decline of the species due to habitat alteration and climate change.

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.

Graphene's shining light could lead to super-fast Internet

Researchers at the University of Manchester and Cambridge have discovered a way to enhance graphene devices for photodetectors in high-speed optical communications by 20 times. This is due to the addition of metallic nanostructures that concentrate light within the graphene layer, increasing its efficiency.

Why does Japan have the highest life expectancy?

Rapid declines in infectious disease and stroke mortality enabled by salt reduction campaigns, improved healthcare technologies, and universal health insurance coverage have contributed to Japan's exceptional longevity. The country faces new challenges due to an aging population and rising healthcare costs.

Secure attachment to moms helps irritable babies interact with others

Research followed 84 infants from birth to age 2 and found that highly irritable children who have secure attachments to their mothers are more likely to get along well with others. The study suggests that interventions to help children become securely attached may be especially important for children who are highly irritable.

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.

Using ground covers in organic production

Using fabric ground covers in organic production allows farmers to control weeds, hold down costs, and maintain soil health. The study found that fabric covers limited water penetration and reduced soil levels of nitrogen and phosphorus.

Ability to remember memories' origin not fully developed in youths

Researchers found that children's ability to remember memories' origin is immature and develops gradually during adolescence. Brain maturity in this area continues until adulthood, influencing the reliability of child testaments. The study suggests that adolescents' memories can be distorted by distracting information.

The Great Recession could reduce school achievement for children of unemployed

The Great Recession's lingering effects on children of unemployed parents can be seen in lower academic achievement, increased problem behavior in classrooms, and more suspensions. Research by the University of Chicago found that maternal job loss is associated with a 40% increase in problem behavior among young children.

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.

Landlubber fish leap for love when tide is right

The Pacific leaping blenny, a marine fish living on land, has a complex social life that thrives during the brief mid-tide period. The study found males use visual displays to warn off rivals and attract mates, while females defend feeding territories.

How Japan looks after its elderly people: a benchmark for nations worldwide

Japan's mandatory long-term care insurance has proven effective in managing care needs, with over half of elderly residents reporting no financial hardship. The system provides a range of services, including adult day care, home help, and nurse visits, and has increased formal care use while reducing financial burdens.

New study shows patients with coronary artery disease

A new study shows that patients with coronary artery disease are more likely to experience thrombotic and bleeding complications after orthopedic surgery. The study found that increasing age, kidney disease, and female sex were strong predictors of these events.

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.

Youths' social goals help determine response to bullying

A new study published in Child Development found that second and third graders who prioritize developing social skills and relationships are more likely to respond constructively to bullying. In contrast, children who focus on gaining popularity or avoiding negative judgments tend to disengage or retaliate.

Testing the water for bioenergy crops

A recent study highlights the importance of considering water usage in bioenergy crop production, particularly with large grasses like miscanthus or switchgrass. The research found that these crops can increase net water use due to higher transpiration rates and land conversion's impact on hydrology.

Future climate change may increase asthma attacks in children

A new study predicts a 7.3% increase in asthma-related emergency room visits for children in the NYC metropolitan area by 2030 due to climate change. The research, led by Dr. Perry Sheffield, used regional and atmospheric chemistry models to simulate ozone levels and their impact on air quality.

Breakthrough in hydrogen fuel cells

Researchers have created a reusable system to store and extract hydrogen from ammonia borane, a stable solid, making it suitable for various applications. The system is air-stable and efficient, with potential uses in motor-driven cycles and small aircraft.

Fluke 87V Industrial Digital Multimeter

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

Registry: Do medications which reduce angina

A French registry study found that antianginal medications had no significant association with improved or worsened long-term survival in patients who suffered a heart attack. Molsidomine was associated with an increased risk of death, while nitrates showed a trend towards increased mortality.

Hemodynamic results after Transcatheter Aortic Valve Implantation (TAVI)

After TAVI, patients experience improved hemodynamic values, including reduced valve gradients and increased effective orifice area. The study also found sustained reduction in end-diastolic septal wall thickness and improvement in left ventricular ejection fraction at 12 months post-implantation.

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.

Cardiac disease: Coronary or not?

A new algorithm using hs-cTnT levels at presentation and one hour after admission accurately differentiates acute myocardial infarction from non-coronary cardiac diseases. This approach reduces avoidable early coronary angiographies and shortens time of uncertainty for patients.

Stanford/UCSF scientists invent new way to disarm malaria parasite

Researchers at Stanford and UCSF have developed a novel method to grow large volumes of modified malaria parasites that no longer cause the disease, revealing how the parasite's survival depends on isopentenyl pyrophosphate. This breakthrough could speed up drug development and provide a basis for an effective vaccine against malaria.

Mild hearing loss linked to brain atrophy in older adults

Researchers found that declines in hearing ability accelerate gray matter atrophy in auditory areas of the brain, leading to increased listening effort for speech comprehension. Early detection and intervention can help prevent speech comprehension difficulties in older adults.

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.

New insight into impulse control

A study published in the Journal of Neuroscience found that differences in when movement neurons begin accumulating information from sensory neurons explain adjustments in response times. This discovery forces a major modification to existing cognitive models of impulse control, shedding new light on how the brain controls basic impulses.

What's really in that luscious chocolate aroma?

Researchers identified over 600 volatile compounds in cocoa beans, with only 25 essential for the characteristic flavor. They developed a method to recreate the chocolate flavor using these compounds, mimicking its aroma and taste in 'recombinates'. This breakthrough could lead to improved flavors and aromas in chocolates.

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.

UCLA memory fitness program improves memory abilities of oldest adults

A new UCLA study found that a six-week memory fitness program improved verbal memory and reduced age-related memory decline in seniors over 80. The program included education on lifestyle factors impacting memory ability and overall brain health, resulting in enhanced self-perceived memory and cognitive function.

A mouse model brings new perspectives on Lafora disease

Researchers have developed a genetically engineered mouse model to study Lafora disease, revealing the role of malin-laforin complex in glycogen synthesis and neuronal degeneration. The study provides evidence for abnormal sugar accumulation leading to neuronal deterioration and death.

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.

Flexible electronics hold promise for consumer applications

Researchers developed a large molecule stable and inexpensive to produce, paving the way for plastic-based flexible electronics. The technology may turn into everyday realities, including artificial skin, smart bandages and wearable electronics.