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Science News Archive November 2008


Page 7 of 20

More at-risk teens and young adults engaging in anal intercourse

Researchers at the Bradley Hasbro Children's Research Center found that 16% of adolescents and young adults engaged in heterosexual anal intercourse within three months of having unprotected sex. The study highlights the need for better communication and protection around anal sex among young people, particularly females who are more l...

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.

Researchers make new electronics -- with a twist

Researchers have developed electronics that can withstand complex deformations, including twisting. Their 'pop-up' technology has been improved to create circuits that can bend, stretch, and twist, enabling new applications in medical and athletic fields.

Urban trees enhance water infiltration

Researchers found that urban tree roots can penetrate compacted subsoils, increasing infiltration rates by up to 153% in reservoirs. Structural soil reservoirs also showed a 27-fold increase in infiltration rate compared to unplanted controls.

Surgeons perform world's first pediatric robotic bladder reconstruction

Surgeons at the University of Chicago Medical Center have successfully performed the world's first pediatric robotic bladder reconstruction, using the DaVinci system. The innovative technique resulted in good outcomes and minimal complications, with the patient regaining full control over her bladder after six weeks.

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.

Track your fitness, environmental impact with new cell phone applications

Researchers at the University of Washington have developed two new cell phone applications, UbiFit and UbiGreen, to automatically track workouts and eco-friendly transportation. These programs display motivational pictures on the phone's background screen, motivating users to maintain their exercise routine and green habits.

Elsevier announces launch of PM&R in partnership with the AAPM&R

The new journal, PM&R, emphasizes principles of injury, function, and rehabilitation, covering topics such as musculoskeletal disorders, neurologic conditions, and rehabilitation of impairments. The journal aims to advance education and impact the specialty through timely delivery of clinically relevant research and review information.

Deep brain mapping to isolate evidence of Gulf War syndrome

The study aims to separate dysfunctional brain activity from 'noise' using spatial statistical modeling, a new technique that uses neighboring locations to strengthen weak signals. The research could help identify specific areas of the brain affected by the syndrome in Persian Gulf War veterans.

Apple iPhone 17 Pro

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

Climate change opens new avenue for spread of invasive plants

A team of scientists found that climate change allows certain plants to defend themselves against local enemies more effectively than native plants. This shift in the balance of ecosystems could lead to an increase in invasive plant species and a loss of biodiversity.

Rational or random? Professor models how people send e-mails

Researchers studied e-mails sent from over 3,000 accounts and found that people don't respond to e-mails randomly, but rather in cycles influenced by their daily routines. The model reveals non-random intervals between e-mails, including times when people are sleeping.

New platinum-phosphate compounds kill ovarian cancer cells

A new class of compounds, phosphaplatins, can effectively kill various types of cancer cells, including ovarian, testicular and head and neck cancer cells, with potentially fewer side effects than conventional drugs like cisplatin and carboplatin.

Enzyme discovery may lead to better heart and stroke treatments

A Queen's University study has shed new light on the control of a cell enzyme implicated in tissue damage after heart attacks and strokes. The research team discovered a way to block the enzyme's activity, which could lead to new drug treatments for stroke and heart disease.

A model to measure soil health in the era of bioenergy

A team of scientists developed a model to measure soil quality and predict long-term changes in soil organic carbon and organic matter. The CQESTR model simulates the effects of various management practices on soil dynamics, providing insights for sustainable crop and soil management.

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.

Biomedical research profits from the exploration of the deep sea

A team of scientists has discovered a new green fluorescent protein in a deep-sea creature, which can be used as a marker in living cells and tissues. The protein, named cerFP505, has similar brightness and stability to existing fluorescent proteins, making it an ideal lead structure for super-resolution microscopy.

Between success and failure

A recent survey shows that nearly a quarter of second-generation Turkish and Moroccan immigrants in the Netherlands drop out of school, while others excel in higher education. The survey attributes the discrepancies to factors such as low parental educational levels, inadequate diversity in schools, and language capacity.

Biomarkers used to predict chronological and physiological age

Scientists have discovered biomarkers predicting chronological and physiological age in nematode worms, with implications for human anti-aging therapies. The study's findings, published in Aging Cell, suggest that examining biomarkers over time can provide a scientific baseline for clinical trials.

Researchers shed new light on catalyzed reactions

Rice University scientists develop technique to view step-by-step breakdown of TCE, a common groundwater pollutant, using nanoparticles and surface-enhanced Raman spectroscopy. The method provides new level of detail for understanding catalyzed reactions in water, with potential applications in biofuels processing.

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.

First trachea transplant without immunosuppression

A pioneering operation performed by Professor Paolo Macchiarini and his team successfully transplanted a trachea without immunosuppression. The hybrid tissue was created by repopulating donor cells with stem and epithelial cells from the recipient, eliminating the need for immunosuppression.

Study suggests attending religious services sharply cuts risk of death

A recent study published in Psychology and Health suggests that attending religious services regularly can reduce the risk of death among post-menopausal women by approximately 20 percent. The researchers found that even after controlling for other factors such as social support and lifestyle choices, the improvements in mortality rate...

Leeds researchers reshape the future of drug discovery

Scientists at the University of Leeds have created a new method to build molecules with unique structures, which could lead to the discovery of new drugs. The approach uses 'metathesis' reactions and allows for the creation of molecules with diverse shapes, enabling researchers to target specific proteins.

K-State economist's research on low-income homeowners

A study by K-State economist Tracy Turner and DePaul University professor Marc Smith found that programs assisting low-income households with home purchases may do more harm than good, leading to higher rates of foreclosure. The research highlights the need for post-purchase support to help vulnerable homeowners sustain their homes.

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.

How do bacteria swim? Brown physicists explain

Researchers at Brown University have studied the swimming patterns of Caulobacter crescentus, a single-celled bacterium with a flagellum. The study reveals that drag and Brownian motion govern the circular swimming patterns of the microbe, which helps explain how bacteria scavenge for food and adhere to surfaces.

Celestron NexStar 8SE Computerized Telescope

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

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.

Dancing droplets

A new technique allows lab technicians to manipulate tiny quantities of liquid without contaminating them. Droplets can be made to bounce, float and move into the air using a bath of oil and vibrations.

Risk of maternal and newborn complications may be lower after bariatric surgery

A review of bariatric surgery among women of reproductive age suggests that rates of adverse outcomes for mothers and newborns are lower after the procedure. Lower maternal complication rates were found in women who underwent bariatric surgery compared to those who were obese, with reduced rates of gestational diabetes and preeclampsia.

Stress hinders rats' decision-making abilities

Neuroscientists from the University of Washington found that stress impairs rats' ability to seek out larger rewards in a maze, lasting several days. A study using rats and muscimol to inactivate the amygdala showed that stressed rats were unable to adjust their behavior and learn from experience.

Second life, podcasting, mobiles, PDAs -- the technology of education

The University of Leicester is presenting at the Online Educa 2008 conference, discussing new developments in e-learning and their impact on day-to-day operations. Professor Gilly Salmon is leading a discussion on the key challenges faced by universities, including the shift from control to teachers and learners.

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.

Carbon dioxide already in danger zone, warns study

A team of scientists says the globe-warming carbon dioxide level has probably reached a point where world climate will change disastrously unless the level can be reduced. The CO2 needs to be reduced to around 350 parts per million to keep current warming trends from moving rapidly upward.

GUMC research summaries for AACR Cancer Prevention Meeting

GUMC researchers will present several scientific findings on black women's health, including the importance of colonoscopy utilization and BRCA1/2 genetic testing. Studies reveal predictors of genetic testing among newly diagnosed breast cancer patients, highlighting the need for clinical practice to identify patients at risk.

Duke study pinpoints potential 'green collar' job growth in US

A new report from Duke University suggests that U.S. manufacturing is poised to grow in a low-carbon economy, creating significant job opportunities in industries such as LED lighting, high-performance windows, and renewable energy. States like Pennsylvania, Ohio, and North Carolina are expected to benefit from these green jobs.

Study to make public roads safer for farmers, drivers

A North Carolina State University study has identified five risk factors associated with farm vehicle crashes on public roads, including the use of non-English speaking drivers and young farm vehicle drivers. The study suggests that a comprehensive approach, including driver licensing, training, and monitoring, could reduce the risk of...

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.

Musculoskeletal center wins $2.2 million for drug safety

The UAB Center will examine the risks and benefits of eight biologics used for autoimmune disorders, including women, children, minorities, and the disabled. The study aims to boost understanding of these drugs and guide medical professionals, manufacturers, and regulatory agencies.

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.

The smart way to study

A recent study by researchers at UC San Diego found that proper spacing of lessons can dramatically enhance learning. The study, which involved over 1,000 subjects, revealed that larger gaps between study sessions result in better recall of facts. This contradicts the common practice of cramming, which is not effective in the long haul.

Antibiotics can cause pervasive, persistant changes to microbiota in human gut

A study found that antibiotic treatment can cause pervasive and persistent changes to the human gut microbiota, affecting the balance of bacteria in the gut. The researchers identified over 3,300 different types of bacteria in the human distal gut and found that antibiotic treatment influenced the abundance of about a third of those taxa.

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.

Overuse of narcotics and barbiturates may make migraine worse

A study found that overusing medications containing barbiturates or narcotics can lead to more frequent migraine attacks. The use of these medications was associated with an increased risk of transformed migraine headaches, a form of migraine characterized by 15 or more days of headache per month.

Primate disease field guide covers critical gap in global health

The new guide provides standardized guidelines for collecting data from wild primates, aiming to identify infection patterns and prevent epidemics. By integrating research from various disciplines, the study seeks to reduce the risk of pathogens jumping from animals to humans and vice-versa.

Routine testing after aneurysm coiling carries low risk

A study published in Neurosurgery found that routine testing with cerebral angiography following endovascular treatment of brain aneurysms carries a very low risk of complication. The test was shown to have a complication rate of 0.43 percent, with only one major and permanent complication occurring.

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.

Ginkgo proves ineffective in preventing dementia, Alzheimer's disease

A large clinical trial found that ginkgo biloba has no effect on the onset of dementia or development of Alzheimer's disease. The study tested 120 milligrams of ginkgo twice daily versus placebo in 3,069 participants and showed that it had no impact on cognitive decline or mortality.