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Science News for April 26, 2009


New topical spray may treat premature ejaculation

A new topical spray, PSD502, has been found to be an effective treatment for premature ejaculation, improving latency time from 0.6 minutes to 4 minutes in clinical trials. The spray selectively desensitizes penile skin without affecting sensation, making it a potentially attractive option for patients with this condition.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009
Apple iPhone 17 Pro

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

Brain works best when cells keep right rhythms, new Stanford studies suggest

Researchers found that precisely tuning oscillation frequencies of certain neurons can affect how the brain processes information and implements feelings of reward. The study suggests that parvalbumin neurons play a crucial role in generating gamma brain waves, which enhance information flow among different cell types.

SourceStanford Medicine·JournalNature·DateApr 26, 2009

Certain ecologic factors associated with greater risk of bladder cancer

A study published by the American Urological Association found that well water intake is directly associated with bladder cancer incidence in women and mortality rates in both sexes. In contrast, exposure to solar UV radiation is inversely associated with bladder cancer incidence and mortality rates in both men and women. Cigarette smo...

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009

Catching the lightwave: Nano-mechanical sensors 'wired' by photonics

Yale researchers have demonstrated silicon-based nanocantilevers that operate on photonic principles, enabling ultra-sensitive measurements at the atomic level. The system can detect as little deflection as 0.0001 Angstroms, and a sensor multiplex format allows for complex measurements of patterns simultaneously.

SourceYale University·JournalNature Nanotechnology·DateApr 26, 2009

Reading reports involving risk-taking affects financial decision making

A University of Haifa study found that exposure to stories about successful risk-taking decisions influenced investment advisors' perceptions of a Nasdaq-traded stock. The study suggests that psychological factors, such as priming, can shape financial decision-making. This phenomenon highlights the importance of considering psychology ...

SourceUniversity of Haifa·DateApr 26, 2009
Fluke 87V Industrial Digital Multimeter

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

MIT: Making waves in the brain

Researchers at MIT have discovered a way to induce gamma brain waves by shining laser light onto the brains of mice, using optogenetics to manipulate individual nerve cells. This breakthrough provides new insights into the role of gamma oscillations in regulating brain functions and may lead to new treatments for brain-related disorders.

SourceMassachusetts Institute of Technology·JournalNature·DateApr 26, 2009

Details of bacterial 'injection' system revealed

Scientists have decoded the structure of a needlelike protein complex on Shigella bacteria, essential for infection, revealing new insights into the mechanism of bacterial injection systems that could lead to new drugs.

SourceDOE/Brookhaven National Laboratory·JournalNature Structural & Molecular Biology·DateApr 26, 2009

Increased mortality associated with nocturia

A study found that elderly patients experiencing nighttime urination had a higher mortality rate compared to those without nocturia. Researchers identified several factors associated with an increased risk of death, including age, diabetes, and hypertension.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009
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.

Fistula-related morbidity decreased by prompt treatment in Sierra Leone

A study reviewing 505 operative repairs found that prompt treatment improved survival rates, with extent of fibrosis being the only predictive factor for successful repair. Women with previous pregnancies showed significantly improved outcomes compared to first-time mothers.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009

Predominant risk factors for first urinary tract infections in college-aged women

A study of 181 women found that increased sexual activity, recent alcohol consumption, and using sanitary napkins during menstruation were associated with an increased risk of developing their first urinary tract infection (UTI). Medical attention is crucial as UTIs can lead to kidney infections and sepsis.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009
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.

Generics less effective/safe than branded medications in treating LUTS

A recent study found that generic substitutes for alpha blockers and 5-alpha reductase inhibitors are less effective in treating lower urinary tract symptoms (LUTS) than their branded counterparts. Men taking these generics experienced increased side effects, including dizziness, nasal congestion, and ejaculatory dysfunction.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009

Autologous muscle-derived cells may treat stress urinary incontinence

Researchers confirmed that transplanting autologous muscle-derived cells into the bladder improves symptoms and quality of life in patients with stress urinary incontinence. The treatment has few side effects and significantly improved symptoms, with 76.5% of patients reporting a reduction in stress leaks at 12 months.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009
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.

Gladstone scientists identify key factors in heart cell creation

Researchers have identified three genetic factors that can turn non-muscle cells into beating heart cells, providing a significant breakthrough in understanding how to repair damaged hearts. The discovery could lead to the development of new therapeutic approaches using stem cells.

SourceGladstone Institutes·JournalNature·DateApr 26, 2009

Obesity associated with higher risk for urinary tract infections

A study published by the American Urological Association found that obesity is associated with a higher risk of urinary tract infections. Morbidly obese patients were most at risk, highlighting the importance of urologic care for individuals with elevated body mass indexes.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009
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.

Celestron NexStar 8SE Computerized Telescope

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

Men treated for localized prostate cancer could benefit from pomegranate juice consumption

A long-term clinical trial found that men who consumed pomegranate juice daily after treatment for localized prostate cancer experienced a significant increase in PSA doubling time and a decline in median PSA slope. This suggests that pomegranate juice may effectively slow the progression of post-treatment prostate cancer recurrence.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009

Long-term complications of melamine consumption in children

Long-term studies found that melamine consumption increases the risk of developing kidney stones in children, particularly between six months to 18 months old. Non-invasive treatment can effectively manage these complications with a high success rate.

SourceAmerican Urological Association·JournalThe Journal of Urology·DateApr 26, 2009