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Science News for October 4, 2005


Earth sinks three inches under weight of flooded Amazon

Researchers at Ohio State University have detected the largest-ever recorded movement of Earth's crust under the weight of flooded Amazon, suggesting a way to estimate total fresh water on the planet. The study reveals an annual oscillation pattern three inches deep in the bedrock beneath the Amazon River Basin.

SourceOhio State University·JournalGeophysical Research Letters·DateOct 4, 2005

Study identifies risk factors for multiple melanoma skin cancer

A study of 4,484 patients with first primary melanomas found that 8.6% had multiple primary melanomas, with a higher risk for those with family history or dysplastic nevi. The estimated cumulative 5-year risk of a second primary tumor was 11.4%, with a significant increase in incidence for the development of third primary melanoma.

SourceJAMA Network·JournalJAMA·DateOct 4, 2005

Presto! It's a semiconductor

Penn physicists develop artificial solids from nanoscale crystals, enabling controlled changes in electrical properties. Their findings promise the creation of functional nanocrystal-based devices and circuits with potential applications in electronics.

SourceUniversity of Pennsylvania·JournalPhysical Review Letters·DateOct 4, 2005

Streamlining treatment of heart attack patients

Researchers at Yale University found innovative approaches to ensuring rapid treatment of patients, including management techniques and flow charts. The study identified key success factors for improving quality care in hospitals, with a focus on proper organization, planning, and communication.

SourceYale University·JournalJournal of the American College of Cardiology·DateOct 4, 2005

Preventing communication errors in telephone medicine

Researchers at Yale School of Medicine found that expanded physician and residency training in telephone medicine is necessary to prevent medical mishaps. The lack of visual cues indicating emotions may lead physicians to assume patients take news better than they actually do.

SourceYale University·JournalJournal of General Internal Medicine·DateOct 4, 2005