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Science News Archive November 2008


Page 19 of 20

Flu shot protects kids -- even during years with a bad vaccine match

Research by the University of Rochester Medical Center found that flu vaccines are effective in protecting children from respiratory viruses, even during years with poor vaccine matches. Vaccination is crucial for preventing illnesses, as it can prevent up to 2,250 hospitalizations and 270,000 to 650,000 doctor visits.

Apple iPhone 17 Pro

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

BioScience tip sheet, November 2008

Recent studies in BioScience explore advancements in bacterial identification using genomics and proteomics. The journal also examines the ecological consequences of West Nile virus outbreaks and the importance of ecosystem services.

DVR fast-forwarding may not be fatal to TV advertising

Despite fast-forwarding, consumers can focus on a product logo or brand for just a fraction of a second, later influencing their preferences. Ads with central brand information can even have a positive effect on consumer attitude and choice behavior.

Hip resurfacing is not for everyone

A recent US study found that hip resurfacing surgery is not suitable for all patients, particularly those over 55 or female. The procedure's success depends on a patient's age and gender due to differences in bone quality.

New research finds markers for esophageal cancer before it develops

Researchers at Rhode Island Hospital have identified biomarkers capable of distinguishing changes in the esophagus that signal a precancerous condition. These markers may help identify patients who are likely to progress to esophageal cancer, allowing for earlier intervention.

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.

New journal shows half-broken gene is enough to cause cancer

Research published in PathoGenetics reveals that one mutated SMAD4 allele is associated with gastrointestinal polyps and cancer development. This study highlights the importance of dosage in tumor suppressor genes, challenging the conventional understanding of gene mutations and disease phenotypes.

Tackling a hard-to-treat childhood cancer by targeting epigenetic changes

A recent study published in Cancer Cell reveals a potential therapeutic approach for MLL-AF4 leukemias, a subtype of acute lymphoblastic leukemia that accounts for 70% of infant cases. By inhibiting the histone-modifying enzyme DOT1L, researchers hope to reverse cancer-promoting genes and improve treatment outcomes.

Sarcospan, a little protein for a big problem

Researchers discovered that adding sarcospan to muscle cells improves protection against Duchenne muscular dystrophy, a condition caused by faulty anchoring of the dystrophin protein. Sarcospan coaxes utrophin, a dystrophin relative, to spread out on the muscle membrane, providing additional protection.

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.

Grandparents a safe source of childcare

A new study by Johns Hopkins Bloomberg School of Public Health researchers found that grandparents as caregivers can cut the risk of childhood injury roughly in half. The study analyzed data from over 5,500 newborns and found no evidence to support the assumption that grandparent care is not safe.

Is ADHD more likely to affect movement in boys or girls?

Research suggests that ADHD impacts movement control differently in boys and girls, with girls showing better coordination skills despite having the disorder. Girls with ADHD are twice as likely to perform movements typically expected for their age compared to boys with ADHD.

Research shows why parents are born and not made

The study found genetic influences on parenting styles, with females tending to direct care and males taking indirect care. This specialization helps form an efficient family unit, reducing conflicts between parents.

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.

Red-eyed treefrog embryos actively avoid asphyxiation inside their eggs

Researchers discovered that frog embryos at an early developmental stage actively respond to oxygen levels in the egg. By positioning their external gills in a small high-oxygen area, they maintain high metabolic rates and rapid development. This behavior is crucial for their long-term survival.

A green future for scrap iron

Using two million pounds of iron, researchers improved pollutant levels by 87%, removing BOD, nitrogen, phosphorus, and colors from industrial wastewater. The low-cost iron-based method has great potential for developing countries.

$500,000 award to fight clandestine nuclear activity

Engineers at the University of Texas at Austin have received a $511,000 grant to research better methods for monitoring and detecting covert nuclear tests. They aim to improve the international community's ability to determine if a nuclear test has occurred by analyzing atmospheric xenon levels.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Parasites that live inside cells use loophole to thwart immune system

St. Jude researchers discover how intracellular pathogens use biochemical machinery to block nitric oxide production, a key chemical weapon against them. The findings offer hints for fighting bacteria and suggest the development of targeted drugs to inhibit such diseases as tuberculosis and toxoplasmosis.

Study finds fears of HIV transmission in families with infected parent

Researchers found that many worries were based on misconceptions about HIV spread and that HIV-infected parents had legitimate concerns about contracting infections while caring for a sick child. Pediatricians can help address children's fears and educate families about proper precautions to reduce risks.

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.

MIT captures single-cell response to vaccination

Researchers at MIT have developed a method to analyze single-cell responses to vaccination, providing a comprehensive picture of the immune system's ability to fight off infection. This breakthrough could lead to the development of new vaccines for diseases including HIV, fungal infections and antibiotic-resistant bacterial infections.

JCI online early table of contents: Nov. 3, 2008

A new role for the protein PrP has been identified in regulating food intake, with mice lacking PrP becoming obese in adulthood. Additionally, a protein FHL1 has been found to help heart muscle cells respond to high pressure, while a protein AIP1 regulates blood vessel formation under inflammatory conditions.

Cold Spring Harbor Protocols features organ and cell culture methods

The journal features two articles with detailed instructions for setting up experimental culture systems. These methods allow researchers to study and manipulate developing cells and tissues in the laboratory, enabling the identification of neural progenitor cells and the analysis of cell migration between organs during development.

David Salt is 'worth his salt,' says Science magazine

The ASPB Education Foundation and NSF fund won first place in the Science magazine 2008 Science and Engineering Visualization Challenge with their interactive biology gaming module, Genomics Digital Lab (GDL). The GDL game proved its worth among a strong field of competitors and is now available for free educational use.

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.

Are Canadian physicians passing the test?

Dr. Wendy Levinson urges Canada to implement mandatory revalidation for all physicians to ensure competence and protect the public's trust in the healthcare system. Currently, most provincial standards lack external verification of actual practice skills, leading to a gap in self-regulation.

MRI reveals relationship between depression and pain

The study found that individuals with depression exhibit increased activation in the right amygdala during painful stimulation, while displaying decreased activation in areas responsible for pain modulation. This suggests a relationship between depression and pain perception, with potential implications for treatment outcomes.

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.

Snakebite is a neglected threat to global public health

A new study published in PLOS Medicine found that at least 421,000 envenomings and 20,000 deaths from snakebites occur annually worldwide. The countries with the highest estimated annual envenomings and deaths are India, followed by sub-Saharan Africa.

Tweens and teens double use of diabetes drugs

A recent study by Saint Louis University reveals a significant increase in the use of type 2 diabetes medications among American tweens and teens between 2002 and 2005. The study also found increased utilization patterns for blood pressure, cholesterol, asthma, ADD/ADHD, depression, and other medications.

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.

West Nile's North American spread described

The rapid spread of West Nile virus in North America has had significant effects on wildlife, with many bird species still recovering from large population declines. Research is ongoing to understand the factors influencing species vulnerability and mosquito transmission, which could lead to better predictions and public warnings.

Brain edema is associated with recurrent adult seizures

A study of 110 patients found that brain edema, known as perilesional oedema (PO), is common and associated with seizures in patients with calcified neurocysticercosis. PO may be a preventable cause of seizures in endemic countries, suggesting a unique treatment target.

New type of fuel found in Patagonia fungus

A team at Montana State University has discovered a fungus that produces diesel fuel, which could offer an alternative to fossil fuels. The fungus, called Gliocladium roseum, can grow in cellulose and produce medium-chain hydrocarbons.

Protein-printing technique gives snapshots of immune system defense

Researchers have developed a technique using soft lithography to create 'snapshots' of immune cell populations, offering insights into antibody diversity and potential for vaccine development. This innovation could lead to more effective diagnostic tools and personalized treatments.

Meta Quest 3 512GB

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

Rates of psychosis higher among minority groups in Britain

Researchers found elevated rates of psychoses among black and minority ethnic subgroups compared to white British individuals. The study, published in Archives of General Psychiatry, analyzed data from 484 patients who developed psychoses between 1996 and 2000.

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.

Wrongful birth litigation and prenatal screening

New practice guidelines in Canada recommend prenatal screening for chromosomal abnormalities be offered to all pregnant women. The guidelines aim to balance reproductive autonomy with the potential legal liability of failing to screen, which could harm disabled children.

Parents' wartime deployment associated with children's behavior problems

A recent study published in Archives of Pediatrics & Adolescent Medicine found that children aged 3-5 whose parents were deployed to war zones exhibited more behavior problems than peers without deployed parents. The study analyzed data from 169 families with children age 1½ to 5 who had a parent deployed for an average of 3.9 months.

Book explores global implications of wildland fire smoke

A new book provides a comprehensive overview of air pollution research, focusing on wildland fires' impact on humans and the environment. The 686-page book includes 26 research papers by 85 experts, covering regional perspectives and current tools for managing forests affected by fire and climate change.

Adult crime linked to childhood anxiety

A recent study published in Journal of Youth and Adolescence found that childhood anxiety and nervousness can protect young men from committing crimes until they turn 21. However, after this age, these traits no longer provide protection, and individuals are more likely to engage in criminal behavior.

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.

News from Annals of Internal Medicine

A new study found that stimulating growth hormone release in healthy older adults increased lean muscle mass, but not thigh muscle area. Another study revealed a decrease in cardiogenic shock rates among patients with acute coronary syndromes, possibly linked to improved angioplasty treatments

Native birds might restock poultry industry's genetic stock

A recent study by Purdue University researchers found that commercial chicken breeds have lost up to 90% of their native genetic diversity, leaving them vulnerable to new diseases. Interbreeding with native or non-commercial bird species may help restore genetic diversity and improve disease resistance.

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.

Surgical removal of small colon polyps is costly and unnecessary

A study found that surgical removal of small colon polyps is not necessary due to low risk of cancer development. The study suggests that imaging surveillance for isolated small polyps detected during CT colonography may be an alternative to unnecessary colonoscopy procedures.