Bluesky Facebook Reddit Email

Science News Archive August 2007


Page 14 of 17

High-intensity ultrasound may launch attack on cancer, wherever it lurks

Researchers at Duke University found that high-intensity focused ultrasound can activate the immune system to attack cancer cells, including those that have spread through the bloodstream. The treatment uses mechanical vibration to break apart tumor cells, releasing toxic substances that alert the immune system to cancer threats.

Wealth gap is increasing, U-M study shows

A new University of Michigan study shows the wealth gap is increasing steadily, with the top 2% of families seeing a nearly doubling of their net worth, while the poorest quarter of families lose ground. The poorest ten percent of families even have negative net worth.

Apple iPhone 17 Pro

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

Argonne wins three R&D 100 awards for innovative technologies

Argonne scientists have won three R&D 100 awards for groundbreaking innovations in teleconferencing software, chemical gas detection, and medical imaging. The Access Grid platform enables global collaboration, while Passive Millmeter-Wave Spectroscopy provides a new tool for fighting terrorism. The Ultra-High Resolution Mammography Sys...

Penn researchers discover how key protein stops inflammation

Penn researchers identified how regulatory protein Bcl-3 regulates inflammation by blocking ubiquitination, a critical biochemical process. This discovery opens new avenues for developing therapies to treat infectious or inflammatory diseases such as sepsis and rheumatoid arthritis.

'Convenience' foods save little time for working families at dinner

A recent study by UCLA's Center on Everyday Lives of Families found that convenience foods are commonly used in American families' dinners despite initial expectations. On average, meals took 52 minutes to prepare, with no significant time savings from relying on convenience foods. The study also revealed that mothers bear the brunt of...

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.

Michigan-CDC study supports value of social restrictions during influenza pandemics

A Michigan-CDC study analyzed 43 US cities during the 1918-1919 Spanish flu pandemic and found that sustained non-pharmaceutical interventions (NPIs) like quarantine, isolation, school closures, and public gathering cancellations significantly reduced mortality rates. The study's findings challenge conventional wisdom on the effectiven...

Bacteria may not hasten death

A study by University of Southern California researchers found that bacteria-free fruit flies lived as long as their bacterial counterparts, challenging conventional wisdom about the impact of microbes on lifespan. The finding suggests that factors other than bacterial load may limit life span.

A new wrinkle in thin film science

Scientists have developed a simple experiment to measure the mechanical properties of thin films, which could impact industries like cosmetics, coatings and nanoelectronics. The new method uses low-power optical microscopy to observe wrinkles in the film, providing insight into material properties.

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.

Underinsured children receive fewer vaccines

A new study found that underinsured children are at risk of not getting needed vaccines due to lack of funding and restrictive policies. The authors suggest strategies to enhance immunization benefits for this vulnerable group of children.

The eyes have it: What do we see when we look at ads?

A new study using eye-tracking software found that consumers focus on ads based on their goals, such as memorization or learning about a brand. The researchers suggest that understanding these goals is crucial for effective advertising.

Preclinical study links gene to brain aneurysm formation

Researchers found that suppressing the endothelial nitric oxide synthase (NOS-3) gene led to intracranial aneurysm formation in 33% of study subjects. The study suggests that NOS-3 plays a crucial role in vascular remodeling and may be a marker for increased risk of brain aneurysms.

Viewing ecosystems from above

Recent advancements in remote sensing technologies, such as lidar and high fidelity imaging spectroscopy, enable researchers to study ecological systems at multiple levels. These tools provide essential information for characterizing landscape dynamics and quantifying ecosystem functions related to biogeochemical cycling.

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.

New mechanism links smoking to lung damage

Researchers discover a poorly understood mechanism linking smoking to lung damage, where toxins in cigarette smoke open unpaired hemichannels that lead to rapid cell death. Drugs preventing hemichannel opening offer new ways to prevent cellular damage and potentially treat diseases tied to oxidative stress.

Old McDonald's has a hold on kids' taste buds, Stanford/Packard study finds

A study published in Archives of Pediatrics & Adolescent Medicine found that 3- to 5-year-old children preferred the taste of McDonald's-branded chicken nuggets over identical, unbranded versions. The degree of preference correlated with the number of TVs in their homes and frequency of eating at McDonald's.

Study sees US retirement wealth up sharply by 2040

A new study predicts that Americans' 401(k) plans will be substantially wealthier in real terms by 2040, even if stock market returns are lower than historical values. The research found that future retirees will likely have more assets due to longer working careers and the shift towards 401(k) plans.

Decision aid for diabetes

A decision aid for patients with diabetes was developed by Victor Montori and colleagues, enabling them to make informed choices about statin use. The tool created a conversation about medications, allowing patients to weigh the benefits and risks of statins.

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.

Link identified between Alzheimer's disease and glaucoma

Researchers have found a clear link between Alzheimer's disease and glaucoma, with key proteins implicated in both conditions. Novel drugs targeting these proteins may be used to treat glaucoma, opening up new avenues for treatment beyond intraocular pressure control.

Why do some teens get more out of youth activities?

A University of Illinois study confirms that investing time and energy in youth activities and taking on a leadership role are key to maximizing their benefits for teens. Participation time is more important than the activity itself, according to the research.

Computer graphics spills from milk to medicine

The new UC San Diego model can create life-like milk images based on fat and protein content, and work backwards to determine the composition of a material. This technology has potential applications in food safety, atmospheric science, and diagnostic medicine.

Backache sufferers who fear pain change movements

Researchers found that individuals with a high fear of back pain will exhibit unusual movement patterns to prevent exacerbation, which can ultimately weaken their muscles. This study aims to inform the development of new treatments for backaches, a common condition affecting eight out of ten adults.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Young children's taste preferences may be influenced by fast-food branding

A study published in Archives of Pediatrics & Adolescent Medicine found that preschoolers aged 3-5 preferred the taste of foods and drinks in McDonald's packaging to identical products in unbranded packaging. Children who watched more TV and ate more McDonald's food also showed a stronger preference for branded options.

A pioneering study opens roads for tailor-made antidepressants

A pioneering study has confirmed the relation between allele s in the serotonin transporter gene and exposure to threatening life events in the onset of depression. The research predicts a personalized approach to treating depression by tailoring antidepressant treatment to an individual's genetic configuration and environmental factors.

IUDs safe and effective in high-risk patients

Researchers at Virginia Commonwealth University discovered that intrauterine devices (IUDs) are acceptable for women at high risk of sexually transmitted infections and pregnancy. The study, published in the American Journal of Obstetrics and Gynecology, found lower rates of complications and greater acceptability with the Mirena IUS.

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.

Gene predicts better outcome as cortex normalizes in teens with ADHD

A specific gene variant associated with attention deficit hyperactivity disorder (ADHD) may also predict better clinical outcomes and higher IQ in teens. The variant, called the 7-repeat version of the dopamine D4 receptor gene, is linked to thinner brain areas controlling attention but confers advantage only among youth with ADHD.

ASBMB taps 8 scientists and 1 politician for top awards

Eight scientists and one politician have been recognized by ASBMB for their groundbreaking work, advancing the field of biochemistry and molecular biology. The awards will be presented at Experimental Biology 2008 meeting in San Diego.

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.

Trial stops after stroke and mortality significantly reduced by blood

The Hypertension in the Very Elderly Trial (HYVET) found that lowering blood pressure significantly reduces both stroke and mortality in patients aged 80 and over. The trial, which began in 2001, involved 3,845 patients from across the world and stopped early due to significant reductions in overall mortality.

Iowa State researchers work to track North American climate change

Researchers are working to understand regional climate change in North America, using models to predict impacts on agriculture and weather patterns. The Iowa State team has observed increased annual precipitation by about an inch over the past 30 years, which could be beneficial for Midwest agriculture.

Gene variant is associated with brain anatomy, clinical course of ADHD

A study found a gene variant associated with thinner brain tissue in areas handling attention, but also better clinical outcomes among individuals with ADHD. The 7-repeat form of the dopamine D4 receptor gene was linked to improved symptoms and regained brain thickness in affected individuals.

UIC researchers to develop new drugs to fight bioterrorism

Researchers at the University of Illinois Chicago College of Pharmacy will conduct four projects to discover new medicines for bioterrorism and other infectious diseases. The Institute for Advanced Pharmaceutical Sciences will also explore natural products for therapeutic potential against anthrax and other pathogens.

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.

Can hemp help the everglades?

A four-year study found that sunn hemp cover crop significantly reduces contamination levels of atrazine and its products in groundwater. The use of sunn hemp can help mitigate the risk of groundwater contamination in Southern Florida, where soil and water conditions indicate potential for leaching from atrazine-based herbicides.

Electrical implant steadies balance disorder in animals

Researchers at Johns Hopkins Medicine developed an electrical device that partly restores damaged sense of balance in animals. The multichannel vestibular prosthesis mimics inner ear function and can measure head rotation in all directions, partially regaining vision-stabilizing reflexes in tested chinchillas.

Postpartum hospital discharges -- when is the 'right time?'

A landmark nationwide study found that 17% of mother-infant pairs were identified as 'not ready' for postpartum discharge. The study identified several factors, including being a first-time mother, history of chronic disease, and inadequate prenatal care, as contributing to unreadiness.

Inhaled nitric oxide safe for tiny preemie lungs, UCSF study finds

A nationwide study led by UCSF provides evidence that inhaled nitric oxide is safe and effective in preventing chronic lung disease in very premature infants. The study found no adverse effects of inhaled nitric oxide on surfactant production or function, suggesting a potential beneficial effect.

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.

Tipping points

Researchers explore 'tipping points' in agriculture, highlighting the need to understand regime shifts to sustain ecosystem functions. The symposium identifies potential tipping points related to water and agriculture that could have major global consequences.

Maternal obesity prior to pregnancy associated with birth defects

A study of over 10,000 women found that those who were obese prior to pregnancy had a higher risk of giving birth to babies with structural birth defects. The findings suggest a possible mechanism involving alterations in glycemic control, similar to those seen in women with diabetes.

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.

Not all embryonic stem cell lines are created equal

Two NIH-approved embryonic stem cell lines were found to generate distinct types of neurons, differing in synapse formation and neurotransmitter usage. The discovery highlights the influence of culture conditions on human ES cells' developmental properties.

In women, caffeine may protect memory

A study published in Neurology found that women who drank more than three cups of coffee per day had less decline in memory over time. The benefits increased with age, with coffee drinkers being 30-70% less likely to experience memory decline.

Genetic analysis finds greater threat in frog-killing fungus

A new genetic analysis suggests that the frog-killing fungus, Batrachochytrium dendrobatidis, may be a greater threat to mountain yellow-legged frogs due to its ability to spread over long distances and persist in the environment through sexual reproduction. This could make it harder to save the frogs from extinction.

Highlights from August issue of BSSA

Researchers at University of Oregon and US Geological Survey identified past activity clues for the Southern San Andreas Fault, ranking 316 event indicators. They also improved the accuracy of physics-based predictive earthquake simulations, enabling safer building designs.

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.

Quality of treatment guidelines

Researchers found that less than a third of treatment guidelines are based on high-quality evidence, highlighting the need for transparent grading systems. The study concludes that clinicians should be aware of this limitation and apply guideline recommendations appropriately to individual patients.

Fine as North Dakota wine

A Cornell University study found that changing the label on a wine can significantly impact diners' perceptions of the wine and their overall meal experience. Diners who were given wine from California rated it higher in quality, enjoyed more of their meal, and were more likely to return to the restaurant.

Promoting child safety with computers

A randomized controlled trial found that parents who received customized safety reports scored higher on child safety knowledge and reported better safety practices than those who received generic health reports. The study suggests that computer technology can be an effective tool in promoting child safety.

Monitoring influenza impact

Researchers analyzed emergency department fever and respiratory complaint data to determine influenza-related morbidity by age. The study found that surveillance using electronic data can provide timely and representative information about circulating influenza viruses, with significant age-specific differences.