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Science News Archive November 2005


Page 9 of 16

Child-headed households in Namibia turn to friends for aid

A Cornell University study reveals that child-headed households in Namibia often rely on their youthful social networks for support, highlighting the need for young Africans to be trained as social supports. The study of over 200 children found that 60% turn to other youths for help and advice, with many facing suicidal thoughts.

Many needles, many haystacks

Researchers developed a new method to identify linear motifs in protein sequences, which interact with other molecules. The technique uses large-scale studies of protein binding and computer analysis to predict motif patterns.

Tuning into affluence: Television's role in American materialism

A study by L.J. Shrum and colleagues found that individuals who watch more TV are more likely to adopt materialistic values, suggesting a 'cultivation effect' of television on American culture. The authors argue that TV influences viewers to incorporate affluent values into their personal structures.

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.

The burden of food related ill health in the UK

A recent study found that 37% of health service costs in the UK are attributable to food-related diseases, with cardiovascular disease, cancer, and diabetes accounting for most of this burden. The estimated annual cost is £6 billion, double that of road traffic accidents and significantly higher than the cost of smoking.

Get With The Guidelines program dramatically improves care

The Get With The Guidelines program has significantly improved treatment adherence for patients with coronary artery disease, with the greatest improvements seen in men over age 75 and women under age 65. Despite these gains, disparities in care remain, prompting ongoing research to address these issues.

Cells derived from heart stem cells can repair heart attack damage

Researchers have discovered that stem cells derived from human heart tissue can develop into cardiospheres that express normal properties of primitive heart tissue. These cardiospheres were then grown in the laboratory and injected into mice with lab-induced heart attacks, where they migrated to damaged tissue and regenerated, improvin...

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.

Archaeologists: Ancient brewery tended by elite, female brewmasters

Archaeologists uncover 1,000-year-old brewery with metal shawl pins suggesting wealthy female brewmasters, challenging historical perceptions of Incan society. The discovery sheds light on a potential antecedent to Incan customs and highlights the growing evidence of women's authority in pre-Incan Andean societies.

Physical activity improves life expectancy and cardiovascular health

A recent study published in Archives of Internal Medicine found that higher levels of physical activity significantly improved life expectancy and years lived without cardiovascular disease. The study, led by Dr. Oscar H. Franco, analyzed data from the Framingham Heart Study and found that moderate to high levels of physical activity i...

Cardiac pump can extend life in end-stage heart failure

A new study found that left ventricular assist devices (LVADs) can significantly extend the lives of patients with end-stage heart failure. The device reduced mortality risk by 50% at six and 12 months, extending average life span from 3.1 months to over 10 months.

Mental health services underutilized by cancer patients

A study of advanced cancer patients found that 12% met criteria for a major psychiatric disorder, while 28% received treatment and 17% discussed emotional complaints with providers. Notably, over half of those with psychiatric complaints had not accessed mental health services.

Apple iPhone 17 Pro

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

Annals of Internal Medicine tip sheet for Nov. 15, 2005, issue

A study of high-risk individuals found that condom use was associated with lower rates of herpes simplex virus-2. Pregnant women were four times more likely to experience blood clots than non-pregnant women, with the risk increasing during the postpartum period. Condoms remain a proven method for reducing STD risks in at-risk individuals.

Patients missing out in communication divide

Despite new treatments and research, doctors may be slow to change their practices. Professor Huw Davies emphasizes the need for collaboration between researchers and healthcare professionals to improve patient outcomes.

PET imaging reveals the immune system at work

Researchers developed a new PET technique to visualize the immune system's response to tumors and diseases. This non-invasive method enables clinicians to see key cells and their interactions, improving diagnosis and treatment precision.

Study suggests that aspirin is under-prescribed

Researchers found that only a third of high-risk patients were prescribed aspirin in 2003, despite its cost-effectiveness and recommended use for people with diabetes. The study suggests that physicians prioritize statins over aspirin due to advertising and preference.

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.

Womb needed for proper brain development

A study of premature babies born at 26 weeks gestation found that certain aspects of brain development were compromised compared to full-term infants. The brains of premature babies showed delayed growth and changes after birth, indicating that early stimulation may hinder normal brain maturation.

Marathon of nano-sprinters

Researchers from Max Planck Institute discovered that a small number of molecular motors can pull cargo particles over long distances. By working together, the motors can overcome their individual limitations and achieve remarkable feats.

Eating out often may add to kids' cardiovascular risk

The study found that children who ate out more frequently had higher systolic and diastolic blood pressure, lower levels of good cholesterol, and smaller LDL particle size. They also consumed more starch, sugar, sodium, fat, and cholesterol than their peers who ate at home.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Older consumers prefer emotional appeals

Research by Patti Williams and Aimee Drolet found that older adults generally favor emotional appeals, while younger adults prefer more rational messages. This understanding is crucial for marketers seeking to create products and services relevant to the growing older population of consumers.

Parental discipline, life events, and peers affect teens' risk of depression

Research finds that parental discipline, peer relationships, and life events significantly affect teenagers' risk of depression. Having a supportive peer group can protect against depression, while excessive punitive discipline may increase the risk. Genetic background also plays a role in depression development.

Kids can remember events even if they can't remember times

A study found that children aged 4-13 can remember event details well, but lack temporal context, having significant implications for child testimony in legal cases. Researchers discovered that many abilities needed to reconstruct times were present by age 6.

Celestron NexStar 8SE Computerized Telescope

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

Study sheds new light on genetic variation in statin response

Researchers identified a new genetic variation associated with statin response, finding that 9% of African Americans and 0.2% of Caucasians carry the variation. The study suggests that genetic differences may affect cholesterol lowering and cardiovascular outcomes.

Gene therapy potential for treatment of pancreatic cancer

Researchers found that vasostatin, a protein gene incorporated into an adenovirus vector, effectively blocks the formation of new blood vessels and curbs tumour growth in mice with pancreatic cancer. This approach may represent a promising therapeutic option for malignancy with a poor prognosis.

Spanking linked to child aggression and anxiety, regardless of cultural norm

A study found that spanking is associated with increased child aggression and anxiety in all countries, regardless of cultural acceptance. The researchers also discovered that the level of physical discipline used by mothers was less strongly linked to child behavior problems when it was perceived as more culturally accepted.

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.

McMaster virologist develops avian flu test

A new test developed by a McMaster virologist can identify infected individuals early in an outbreak, limiting the spread of virus in the community. The test will be available for evaluation by hospital-based laboratories and reference laboratories by early December.

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.

Consumer, meet brand. Brand, meet consumer.

A new study explores the role of relationships between people and products, finding that communal relationships lead to faster recognition of broad features, while exchange relationships facilitate more accurate recognition of detailed features. The research highlights the importance of highlighting expected features in a relationship ...

Wide range of options increases extreme choices

Researchers Catherine W. M. Yeung and Dilip Soman found that extending the range of background set attributes shifts preferences towards higher evaluability options. Widening encountered options also increases the selection of cheaper alternatives compared to more expensive options.

Plastic diode could lead to flexible, low power computer circuits, memory

Researchers at Ohio State University have developed a plastic diode that can transmit electrical current at room temperature, paving the way for flexible and low-power computer chips. The diode's design lends itself to easy manufacturing and has achieved strong quantum mechanical effects without manipulating individual molecules.

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.

Misguided marketing: Using imagery can backfire

A new study found that asking consumers to imagine their future experience with a product may decrease purchasing likelihood, especially for those with low imagery abilities. The use of imagery appeals can be detrimental to marketers' bottom lines in certain cases.

Promising advance in breast cancer research

Researchers at VCU Massey Cancer Center have successfully combined two novel drugs to treat breast cancer, achieving profound tumor cell death in a short period. The combination of UCN-01 and a MEK 1/2 inhibitor shows great potential for treating various types of 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.

Cancer wasting, muscular dystrophy show common change

Researchers at Ohio State University discover cancer wasting is caused by loss of muscle protein dystrophin and damage to the dystrophin glycoprotein complex. This finding may lead to new ways to diagnose and treat the condition.

New gene marker may identify need for intense AML therapy

Researchers at Ohio State University discovered a new gene marker, ERG, that signals an aggressive form of acute myeloid leukemia (AML) requiring intensive therapy. High ERG activity is associated with poor relapse and survival rates in AML patients with normal cytogenetics.

Alcohol, stress, a family history of alcoholism, and the β-endorphin system

Research finds that individuals with a family history of alcoholism exhibit a dysfunctional stress response prior to developing alcohol dependence, while those without a family history experience a decline after developing alcohol dependence. Low-dose alcohol consumption blocks the response to stress in both high- and low-risk groups.

New report on state-by-state charitable giving across US

A new report by Boston College researchers reveals that states previously labeled as 'stingy' have higher generosity levels than reported. Massachusetts moves from 49th to 11th in terms of charitable giving when cost of living and tax burden are taken into account, contradicting the Generosity Index.

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.

Physicians slower to incorporate newer heart drug treatments

Researchers found that while adherence to recommended medications increased, physicians were slow to incorporate newer heart drug treatments, with a usage rate of 95% or higher representing successful adoption. The study analyzed data from over 113,000 patients treated at 434 US hospitals between 2002 and 2004.

How does Mycobacterium tuberculosis infect the lung?

Researchers found that macrophages from TB patients have high levels of DC-SIGN, a protein that helps Mycobacterium tuberculosis infect lung cells. Infection with TB causes nearby uninfected cells to also express DC-SIGN, making them more susceptible to infection.

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.

New research links consumer behavior to the weather

Researchers Anick Bosmans and Hans Baumgartner found that consumers rely on specific extraneous emotions when evaluating products. They discovered two types of emotions: achievement (cheerfulness/dejection) and protection (quiescence/agitation), which influence product evaluations differently.

Speaking Spanglish correctly

Researchers analyze structural constraints in codeswitched advertising to determine what makes a message linguistically correct. The study highlights the significance of grammatical accuracy and provides insights into the rules that govern mixed language marketing.

Symbolic brands used to delineate group association

A study by Jennifer Edson Escalas and James R. Bettman found that consumers use brands to communicate their social self, with more symbolic brands having a greater impact. Independent consumers tend to reject out-group associations, while interdependent consumers build brand connections that align with their in-groups.

Prescribed walking can improve physical fitness

A randomized trial found that exercise counseling prescriptions for walking can improve cardiorespiratory fitness and reduce cardiovascular disease risk factors. The study showed significant increases in maximum oxygen consumption and HDL-C levels in participants who received higher-intensity exercise prescriptions.

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.

Implantable pumps extend lives of patients too sick for transplant

Patients who received left ventricular assistant devices (LVADs) had a significantly longer average survival time of 10.3 months compared to 3.1 months without the device. The study found that 78% of patients died within six months and 90% within a year without LVAD support.

Reify corporation announces Myosight(tm)

Myosight captures data from dozens of cells at once, delivering unbiased results on how compounds affect typical and atypical heart cells. This technology enables researchers to see whether drugs carry a risk of causing arrhythmias or other adverse effects.

Rheumatic disease increases risks in pregnancy, Stanford study finds

A Stanford study finds that women with rheumatoid arthritis and lupus are at higher risk for adverse outcomes during pregnancy, including hypertension, premature delivery, and cesarean sections. The research highlights the need for better understanding of these autoimmune conditions in pregnant women.