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Science News Archive November 2009


Page 20 of 24

Cancer patients want honesty, compassion from their oncologist

A study found that cancer patients value honesty from their oncologists about treatment outcomes, with prostate cancer patients showing a stronger preference for candor. The study also reveals that patients prefer casual clothing and informal communication styles, such as being called by their first names.

New smoking cessation research presented at CHEST 2009

A new lung age formula more accurately calculates a smoker's 'lung age,' which researchers hope will help persuade patients to quit the habit. Pulmonary rehab programs also show promise in improving smoking cessation rates, with higher abstinence rates among participants.

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.

Orphan army ants join nearby colonies

A team of researchers from Harvard University discovered that army ant colonies can be cooperative instead of combative when they lose their queen. The lost workers are absorbed by neighboring colonies and integrate quickly, often losing their distinct colony odor within days.

Farmers' markets harvest new business

A recent study published in HortScience found that Indiana's farmers' markets have grown at twice the national rate, with factors like paying fees, customer numbers, and WIC vouchers influencing vendor participation. Cooking demonstrations also boosted customer traffic, attracting up to 200 more customers per week.

Does race, income predict prostate cancer outcome?

A new study by Henry Ford Hospital found that a patient's socioeconomic status has no effect on their outcome following curative radiation therapy for prostate cancer. The study analyzed data from 788 patients and found that all patients, regardless of race or income, had similar survival rates and biochemical control rates.

Apple iPhone 17 Pro

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

Clean algae biofuel project leads world in productivity

Australian scientists have achieved world-leading oil production rates from algae grown in open saline ponds, paving the way for commercial quantities of clean biofuel. The multi-million dollar pilot plant will test the whole process on a larger scale and aims to produce biofuel at less than $1 a kilo.

Chemo-radiation before prostate removal may prevent cancer recurrence

Researchers at OHSU Knight Cancer Institute have found a combination of radiation therapy and chemotherapy given before prostate removal to be safe and potentially reduce cancer recurrence rates. The treatment regimen resulted in improved outcomes, with clean cancer margins and undetectable PSA levels in patients.

'Genome 10K' proposal aims to sequence 10,000 vertebrates

A new initiative aims to sequence the genomes of 10,000 vertebrates, including whales, dolphins, and porpoises, to gain better understanding of species diversity, evolution, and conservation. The project, called Genome 10K, has the potential to revolutionize our knowledge of cetaceans and inform effective conservation strategies.

An inexpensive 'dipstick' test for pesticides in foods

Scientists developed a fast and affordable paper-based test strip that can detect minute amounts of pesticides in food and beverages. The test, which produces results in under 5 minutes, has the potential to improve pesticide testing in developing countries.

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.

New lung health research presented at CHEST 2009

Researchers found a significant link between osteoporosis and bronchiectasis, as well as a new formula to calculate 'lung age' in smokers that may help with quitting. Low muscle mass and high body fat are also associated with poor lung function in the elderly. Additionally, vitamin B12 deficiency may be linked to chronic cough.

The humble beginnings of a king

A long-forgotten fossil skull has provided crucial clues to the early stages of tyrannosaur evolution. Proceratosaurus, an ancient ancestor of Tyrannosaurus rex, shares many features with its famous descendant, including powerful biting apparatus and a bulky skull.

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.

New insight into predicting cholera epidemics in the Bengal Delta

Scientists from Tufts University have proposed a link between cholera outbreaks and fluctuating water levels in the region's three principal rivers. The researchers found two distinctive epidemic patterns associated with seasonal cycles of low river flows and floods.

NSF awards $20 million to SDSC to develop 'Gordon'

Gordon is a powerful supercomputer that will use flash memory to speed solutions to critical science and societal problems overwhelmed by the growing amount of data generated by digital devices. The system will feature 245 teraflops of compute power, 256 TB of flash memory, and four petabytes of disk storage.

Materials scientists find better model for glass creation

Researchers have created a new colloidial fluid model that mimics the behavior of glasses, including common window glass and sugars like honey. The improved model uses soft particles to delay solidification, resulting in a more glass-like behavior.

EMBO recognizes talented young group leaders in Europe

The EMBO Young Investigators Programme identifies top European young life scientists, offering academic and financial help to set up independent research labs. The selected 17 young group leaders work in nine countries, with an average age of 36 and four women, and will benefit from various activities including mentorship and networking.

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.

Lung tissue generated from human embryonic stem cells

Researchers in Belgium successfully differentiated human embryonic stem cells (hESC) into major cell types of lung epithelial tissue using an air-liquid interface. The technique could provide an alternative to lung transplants for patients with chronic pulmonary disease and cystic fibrosis.

Water-conserving irrigation strategies minimize overwatering, runoff

Researchers found that scheduling irrigation according to daily water use (DWU) substantially reduced irrigation application compared to control methods, while maintaining or improving plant growth. The study categorized woody ornamental plants into low, moderate, and high water users, allowing for more efficient watering strategies.

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.

New cardiology research presented at CHEST 2009

Research at CHEST 2009 found that patients who have undergone a liver transplant are at an increased risk for developing cardiovascular risk factors, including hypertension, diabetes, and coronary artery disease. Additionally, Asian Indians experience heart attacks at an earlier age than Caucasians, suggesting potential disparities in ...

Chart junk? How pictures may help make graphs better

According to new research, background images in charts and graphs can actually enhance one's ability to read them. When presented against a contrasting background, design elements such as rectangles or circles make the graph pop out, allowing viewers to focus on individual components more effectively.

Hybrid bluegrasses analyzed for use in transition zone

Researchers tested 'Thermal Blue' and 'Dura Blue' hybrids for optimal seeding rates, seed timing, and mowing height requirements. Both hybrids showed promise in the transition zone, with 'Thermal Blue' performing well in seeding trials and requiring frequent mowing.

When should flu trigger a school shutdown?

A study by Boston Children's Hospital researchers suggests three optimal scenarios for school closures: single-day absentee rate of 5%, consecutive days of 4% or more absenteeism, and three consecutive days of 3% or more. Scenario #2 is preferred for its balance between sensitivity and specificity.

Religion and medicine: Sometimes a healing prescription

Pediatric physicians tend to pragmatically consider religion and spirituality in family decision-making and end-of-life situations, but view them as barriers when they conflict with medical decisions. The study found that pediatricians often welcome patients' religious beliefs when medicine has failed or all options are exhausted.

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.

Tension on the grapevine

Researchers developed a dynamic tool, Trellis Tension Monitor (TTM), to estimate grape yields in trellised crops. The system detects weight change on trellised grapevines, enabling growers to create more efficient timetables for grape-picking operations.

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.

Bacteria expect the unexpected

Scientists have observed the emergence of a new adaptation strategy in bacteria Pseudomonas fluorescens, where variable offspring can survive in different environments. This bet-hedging strategy allows for species survival under rapidly changing environmental conditions.

Meta Quest 3 512GB

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

Internet search process affects cognition, emotion

Researchers found that readers better understood, remembered and emotionally responded to material found through searching compared to surfing. Information was also better retained when individuals conducted specific searches for information.

Scientists propose a 'genome zoo' of 10,000 vertebrate species

The Genome 10K Project aims to sequence the genomes of 10,000 vertebrate species to understand evolutionary changes and inform conservation efforts. The project will analyze genomic data to reveal evolutionary changes and annotate experimental findings related to specific sites of change.

Conserving historic apple trees

A recent study published in HortScience has confirmed that a high diversity of historic apple genotypes remains in homestead orchards in the US Southwest. The research identified 144 genotypes, including 34 cultivars brought to the region by Stark Brothers Nursery and USDA agricultural experiment stations.

New sleep medicine research presented at CHEST 2009

Research at CHEST 2009 reveals that CPAP therapy may be associated with a slight weight gain in patients, while large tonsils in children may predict sleep apnea. Oral appliances offer an effective alternate treatment for military service members, and abnormal sleep habits among ICU nurses may increase errors

Fluke 87V Industrial Digital Multimeter

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

Experimental agent reduces breast cancer metastasis to bone

Researchers at Tufts University reduced breast cancer metastasis to bone by 77 percent and overall frequency of metastasis by 36 percent in a study using an experimental agent to inhibit ROCK, a protein found to be over-expressed in metastatic breast cancer.

Industry support of academic life science research may be dropping

Fewer investigators report industry connections, but companies still seek out highly productive researchers. Industry-funded scientists were more likely to report trade secrets and delayed publications, yet patenting and trade secrecy rates doubled among those without corporate sponsorship.

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.

Sun or shade: Pecan leaves' photosynthetic light response evaluated

A new study investigates the effects of light intensity on pecan leaves throughout the growing season. The research found that shade leaves are less effective in assimilating CO2 than sun leaves, but maintain late-season photosynthetic capacity. This discovery may help commercial growers develop new canopy and crop management practices.

New methods found useful for diagnosing myocarditis

Several new diagnostic methods, such as cardiac magnetic resonance imaging (MRI), are useful for diagnosing myocarditis. Endomyocardial biopsy is also used in certain cases. The study highlights the importance of these methods in improving diagnosis accuracy.

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.

UIC receives $1 million grant to study 'fat taxes,' diet, obesity

Researchers at UIC will study the relationship between tax rates on food and beverages with high sugar or fat content and individual survey data to determine if differential tax rates equate to differences in consumption and body mass index among various groups, including low-income recipients.

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.

New treatment option emerging for some with early stage lung cancer

A new treatment option has been discovered for patients with early-stage non-small cell lung cancer who are not candidates for surgery. Radical stereotactic radiosurgery performed with CyberKnife leads to a 100% overall survival rate in patients with good lung function, according to a recent study.

Drunken fruit flies help scientists find potential drug target for alcoholism

Researchers discovered a major metabolic switch in fruit flies that plays a key role in alcohol tolerance and found direct translation to humans. This discovery provides a crucial explanation of why some people tolerate alcohol better than others and offers a potential target for preventing or eliminating alcoholism.

Statins may worsen symptoms in some cardiac patients

A study found that statins can worsen symptoms in patients with diastolic heart failure, causing increased dyspnea, fatigue, and decreased exercise tolerance. However, statins still benefit patients with systolic heart failure. Researchers warn of individual patient variations in response to statin therapy.