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Science News Archive August 2011 - Page 22


Page 22 of 27

Researchers gain new insights into how tumor cells are fed

A study published in The American Journal of Pathology reveals a novel mechanism for pillar formation during intussusceptive angiogenesis in tumors. The researchers found that targeting just one type of blood vessel formation may not be sufficient to slow tumor growth, and instead propose a more tailored approach to anti-tumor therapy.

SourceElsevier Health Sciences·JournalAmerican Journal Of Pathology·DateAug 8, 2011

Rising barriers to primary care send many Americans to the emergency department

A shortage of primary care physicians and limited access to these services are contributing to rising numbers of emergency department visits in the US. The study found that nearly 98% of Americans have health insurance coverage, yet barriers such as wait times and transportation issues remain a major challenge.

SourceUniversity of Colorado Anschutz Medical Campus·JournalArchives of Internal Medicine·DateAug 8, 2011

Walking around is the simplest way to shorten hospital stay

A new study from the University of Haifa found that walking around the ward during hospitalization significantly reduces the length of older patient's stay. The study, which surveyed 485 participants aged 70 and up, found that patients who walked around shortened their hospital stay by an average day and a half compared to those who di...

SourceUniversity of Haifa·JournalArchives of Internal Medicine·DateAug 8, 2011

What do Facebook and Rembrandt have in common? Everything

The article highlights how Facebook profiles are similar to traditional portraiture, where artists must make rhetorical decisions about representation. The author notes that both Rembrandt's famous works and today's social media profiles strive for mastery over the challenges of representation.

SourceSAGE·JournalSAGE Open·DateAug 5, 2011

Human influence on the 21st century climate: 1 possible future for the atmosphere

Researchers have introduced a scenario that assumes action will be taken to limit emissions, showing a lowest cost option to reduce carbon dioxide in the atmosphere to less than 40% higher than today. The RCP 4.5 scenario includes nuclear and renewable energy, carbon capture and storage, and forest preservation to achieve this goal.

SourceDOE/Pacific Northwest National Laboratory·JournalClimatic Change·DateAug 5, 2011

What shapes a bone?

Researchers at Johns Hopkins University discovered that the shape of jaw bones in human populations is influenced by both genetic and environmental factors. The study used archaeological jaw bones from two different regions to determine how much of the mandible's shape is plastic, a response to diet, and how much is genetic.

SourceJohns Hopkins Medicine·JournalAmerican Journal of Physical Anthropology·DateAug 5, 2011

Gazpacho ingredients lose vitamin C during preparation

A new study reveals that gazpacho's vitamin C content and other organic acids decrease significantly after preparation. Peppers and tomatoes have higher levels of these nutrients, while cucumbers contain the lowest amount. The authors suggest consuming gazpacho immediately or preserving it correctly to maintain its antioxidant properties.

SourceSpanish Foundation for Science and Technology·JournalEuropean Journal of Public Health·DateAug 5, 2011

Novel DNA-sensing pathway in immune response to malaria

A novel DNA-sensing mechanism plays a role in the innate immune response to Plasmodium falciparum, the parasite that causes malaria. The study identifies an unknown receptor coupling to molecules linked with DNA-mediated type I interferon production, suggesting a broader impact on infectious diseases.

SourceCell Press·JournalImmunity·DateAug 4, 2011

Targeting innate immunity in malaria

Scientists at UMass Chan Medical School discovered a novel DNA-sensing pathway that contributes to the triggering of an innate immune response in malaria. This pathway leads to the production of excessive type-1 interferon, causing inflammation and fever in patients.

SourceUMass Chan Medical School·JournalImmunity·DateAug 4, 2011

Assumptions, not data, dictate opinions about predictive genetic testing in youth

Research suggests that predictive genetic testing in children may have benefits, including identifying individual's inherited vulnerabilities to diseases and enabling early health interventions. However, existing guidelines warn of potential psychological harm, which critics argue is often based on speculation rather than evidence.

SourceMichigan Medicine - University of Michigan·JournalJournal of Pediatric Psychology·DateAug 4, 2011