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Science News Archive November 2006


Page 1 of 16

Elsevier announces new journal for 2007

Primary Care Diabetes is an influential new journal launched in February 2007, covering clinical care, education, nutrition, health services, and psychosocial research related to diabetes. The journal aims to promote the implementation of evidence-based diabetes practices in primary care settings.

New wide-angle lens produces pictures without distortion

Researchers designed a low-cost, lightweight wide-angle lens that produces virtually distortion-free images, ideal for security-camera systems and robot navigation. The lens has a field of view of 151 degrees and can be increased to capture even more space, making it suitable for various indoor applications.

Exercise when young may reduce risk of fractures later in life

Researchers found that exercising young rats reduced their risk of bone fractures later in life, demonstrating the importance of childhood exercise for future bone health. The study suggests that short periods of exercise during growth can stimulate bone development and lead to stronger bones.

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.

Steering clear of icy skies

The National Center for Atmospheric Research has developed an enhanced in-flight icing product to guide aircraft around hazardous icing conditions. This new system rates areas by icing severity and probability of encounters, helping reduce flight delays and fuel costs.

Found -- the apple gene for red

Scientists identify the gene responsible for apple skin's rosy red hue, which is also an antioxidant. This discovery could lead to breeding new apple varieties with improved fruit color and potential health benefits.

Asian immigrants report fewer mental health problems

A national survey of Asian Americans found that immigrant women had lower rates of depression, anxiety, and substance abuse compared to U.S.-born women. English proficiency also played a significant role in men's mental health, with those who spoke good English having fewer problems than those with poorer skills or American-born men.

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.

Strontium atomic clock demonstrates super-fine 'ticks'

Scientists at JILA have developed an ultra-stable laser system to manipulate strontium atoms, producing the most precise 'ticks' ever recorded in an optical atomic clock. This achievement enables improved time-keeping, precision measurements of high frequencies, and quantum computing using neutral atoms.

Knee function reduced following surgery due to decreased quadriceps strength

A study published in Arthritis Care & Research found that muscle strength and functional performance were lower in the leg operated on compared to the other leg four years after meniscectomy. Patients reported symptoms and functional limitations, scoring lower in all areas compared to healthy control patients.

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.

Major Wellcome Trust award to take science from the bench to the bedside

The £4 million grant will enable CIMR to stay at the leading edge of disease research and train tomorrow's academic doctors and medical scientists. The Institute aims to understand human illnesses at a molecular and cellular level, facilitating collaboration between clinicians and basic scientists.

Partner reduction is pivotal for HIV prevention

A new approach to HIV prevention focuses on reducing partners, with early evidence from Uganda and Kenya showing a decline in HIV incidence among men. The strategy is seen as a crucial step towards reversing the epidemic, particularly in regions where partner reduction has been successful.

Special ES&T issue examines effects of emerging contaminants on people, planet

The American Chemical Society's Environmental Science & Technology journal highlights emerging contaminants such as nanoparticles, which can damage DNA, and polybrominated diphenyl ethers (PBDEs), which accumulate in aquatic food chains. These substances can have severe consequences for human health and the environment.

Asymmetric ashes

Researchers found significant peripheral asymmetry but a nearly spherical interior, suggesting the explosion propogates at supersonic speed. The team observed 17 supernovae over 10 years and inferred the shape and structure of debris clouds thrown out from Type Ia supernovae.

With fruit fly sex, researchers find mind-body connection

New research by Brown University biologists debunks the notion of separate genes controlling sexual behavior and physical body differences. Doublesex gene plays a crucial role in regulating both male and female courtship behaviors, acting together with fruitless to establish wing-shaking come-ons and flirtatious flights.

Apple iPhone 17 Pro

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

One firm controls costs while maintaining employee preventive health care

A study by Yale University researchers found that exempting high-value preventive services from cost sharing can preserve the use of important health benefits while controlling overall health-care costs. The study, which analyzed Alcoa's benefit plan, suggests that this approach may encourage more firms to maintain rates of preventive ...

P(acman) takes a bite out of deciphering Drosophila DNA

P/acman allows researchers to study large genes and gene complexes in Drosophila, overcoming a key limitation of currently available methods. This new technique has far-reaching promise for understanding the structure and function of virtually all fly genes.

Study of gene transfer for erectile dysfunction shows promise

A new gene transfer therapy has shown promising results in treating erectile dysfunction (ED) and may also have potential benefits for overactive bladder, irritable bowel syndrome, and asthma. The therapy, which targets smooth muscle cells, was well-tolerated and safe in a small pilot study of 11 men.

New finding points way to foiling anthrax's tricks

Researchers have discovered a human protein that disrupts anthrax bacteria's iron scavenging system, potentially leading to new anti-anthrax drugs and diagnostic tools. The study found that siderocalin binds to bacillibactin, preventing it from capturing iron, while petrobactin is not bound by the protein.

Celestron NexStar 8SE Computerized Telescope

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

Invasive ants territorial when neighbors are not kin

Researchers found that genetically similar ants have peaceful relations and genetically different ants attack each other. This suggests that the lack of genetic diversity permits supercolonies to arise, allowing ants to devote more resources to breeding rather than competing for territory.

Increase in carbon dioxide emissions accelerating

New research shows carbon dioxide emissions have accelerated by over 2.5% per year since the 2000s, despite global efforts to reduce emissions. The findings indicate that recent emission-reducing measures have had little impact on slowing down growth rates.

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.

The abortion pill compound prevents breast tumor growth

UCI scientists discovered that mifepristone, a chemical compound used in abortion pills, can prevent breast tumor growth by inhibiting progesterone in breast tissue cells. This finding may lead to new prevention methods for women with a genetic predisposition to breast and ovarian cancers.

Iowa State researchers developing software to improve colon exams

The Iowa State University researchers have developed a software system called EndoPACS that captures and analyzes videos of colonoscopy procedures. The technology aims to improve the quality of colonoscopy exams by detecting blurry images and providing detailed quality measurements, enabling better training and quality control.

Newly discovered immune defense may be impaired in CF airways

Researchers discovered a new immune defense mechanism that produces a highly effective antibacterial compound called hypothiocyanite. However, this process is defective in airway tissue and cells containing the CF gene mutation, suggesting that thiocyanate levels may be low in CF 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.

Einstein researchers discover how a key dietary vitamin is absorbed

Researchers at Albert Einstein College of Medicine have found the mechanism by which folates in the diet are absorbed by the intestinal tract, solving a longstanding mystery. A genetic test can now detect hereditary folate malabsorption, a rare but potentially fatal disorder, allowing for early treatment and supplementation.

Pregnant women with placental infection have doubled risk of recurrence

Researchers at UT Southwestern Medical Center found that pregnant women who developed an infection of the placenta or nearby membranes have twice the risk of getting it in their second pregnancy. The study analyzed 28,410 women and found a genetic component that predisposes women to intrauterine infection.

Infants wheeze less in homes with multiple dogs

A study by the University of Cincinnati has found that infants living in homes with high levels of endotoxins and multiple dogs were more than two times less likely to wheeze. The researchers suggest that pet ownership may offer a protective effect against development of lower respiratory symptoms in young children.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Protein protects against nerve degeneration

A protein called NMNAT has been found to protect against nerve cell degeneration, with researchers discovering it plays a crucial role in maintaining neuronal health. The study, published in PLOS Biology, suggests that increasing NMNAT production could lead to the development of new treatments for diseases affecting the nervous system.

The pull of bacterial chromosome segregation

In prokaryotes, a chromosome-encoded Par protein generates a pulling force for asymmetric DNA segregation. The discovery suggests that basic eukaryotic mitosis elements evolved before multicellular organisms emerged.

World's oldest ritual discovered

Researchers uncover evidence of advanced rituals performed by modern humans in Africa for 70,000 years, featuring a python rock with man-made indentations and no signs of normal habitation. The discovery suggests that humans had the capacity for abstract thinking at an earlier point in history than previously assumed.

NASA's 'Footprints' movie walks to US museum theatres

The film showcases various phenomena like hurricanes, satellite data collection, and ocean temperature changes. It also features special presentations about Earth's moon and Mars, offering an immersive experience of space exploration.

Blacks, Whites divided on end-of-life treatment

A study by University of Rochester Medical Center researchers found that black patients are more likely to prefer life-sustaining care when faced with an incurable illness or serious disabilities. In contrast, white patients were less inclined to accept such care. The differences in attitudes suggest a need for healthcare policies sens...

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.

Thorium poised to meet world's energy needs

A growing energy supply will be needed to meet future demands; thorium offers fewer environmental and human health hazards in its fuel production. DBI has developed innovative concepts to exploit thorium's benefits, including reduced waste and toxicity.

Evolution of influenza A virus

A new study analyzed 413 complete influenza genomes from New York State, showing genetically distinct viral strains circulate across the state and exchange genes through reassortment. Adaptive evolution in influenza virus is strongly affected by chance events, making predicting future patterns more difficult.

Counter defense strategy of virus

Researchers found that Cucumber mosaic virus (CMV) synthesizes a protein, called 2b, to bind and inhibit AGO1, attenuating RNA silencing. Understanding the function of 2b will enable designing novel strategies for crop plants to survive various viruses.

Fluke 87V Industrial Digital Multimeter

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

Complaints about memory are associated with Alzheimer-related brain damage

Researchers found that memory problems in older adults are associated with Alzheimer's disease pathology in the brain. The study used memory complaint scores to identify individuals with brain changes linked to Alzheimer's disease, suggesting that memory complaints may serve as an early warning system.

'Cancer prognosis gene' found to control the fate of breast cells

A study by University of California - San Francisco researchers found that the GATA-3 gene plays a crucial role in maintaining the mature state of breast cells. Without this gene, mammary ductal cells regress to an undifferentiated state characteristic of aggressive cancer. The discovery may lead to new ways of understanding and treati...

Living view in animals shows how cells decide to make proteins

Researchers have visualized alternative splicing in a living mammal, providing new insights into the genetic process that creates unique proteins. This discovery sheds light on how different tissues and organs produce varied proteins, which dictate their function, and may offer clues to diseases such as cancer.

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.

UCSF study will test new vaginal microbicide for herpes and HIV

A new vaginal gel designed to prevent herpes and HIV infection is being tested in a US study. The gel, called VivaGel, has shown nearly 100% effectiveness in animal trials with few side effects. The study aims to give women more control over their sexual health and reduce the spread of these infections.

University of Alberta researchers discover hummingbird secret

University of Alberta researchers identified a specific nuclei in the hummingbird's brain that detects visual motion, enabling it to stay stationary mid-air and hover. This neural specialization is two to five times larger than in any other species, relative to brain size.

Go to church and breathe easier

A Temple University study found that regular church attendance slows pulmonary function decline among men and women over 70. The study suggests that religious engagement provides social contact, emotional support, and psychological well-being, potentially benefiting health.

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.

What cures your aches might prevent cancer

Researchers are investigating the potential of nonsteroidal anti-inflammatory drugs (NSAIDs) to prevent various types of cancer, including colon, esophageal, and lung cancers. The studies focus on the preventive effects of sulindac, atorvastatin, and RaftiloseSynergy1 on cancer development.

Protein shown to rally biological clock

A study published in the Proceedings of the National Academy of Sciences reveals that VIP synchronizes biological clocks, clarifying its role alongside GABA. Without VIP, cells lose synchrony, indicating its coordinator function.

Indoor emissions from household coal combustion carcinogenic

A report by International Agency for Research on Cancer concludes that household coal combustion and biomass fuel emissions are carcinogenic to humans. The study emphasizes the need for adequate ventilation and alternative heating methods to reduce lung cancer burden globally.

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.

First international gene screen for typical ALS is on track

Researchers have compiled genetic information on over 1,000 patients and controls in the largest-scale search for genes underlying sporadic ALS. The study aims to clarify the role of genes or lack thereof in the disease, with potential implications for therapies and a cure.

Measuring pandemic preparedness

A federal plan to vaccinate healthcare workers against smallpox had a low compliance rate and high variability among states. Researchers found that some states ranked poorly due to lack of support and ambivalent messages from authorities.