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Science News for September 4, 2002


Web-based collaboration links labs to supercomputers

BioCoRE enables real-time collaboration among scientists from diverse disciplines, leveraging shared project spaces and advanced computational tools. The virtual environment bridges geographical boundaries, facilitating cross-disciplinary collaboration and accelerated research progress.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateSep 4, 2002

Study finds dramatic decline in physical activity among African-American and white girls

A recent study has revealed a significant decrease in leisure-time physical activity among black girls (56%) and white girls (31%) aged 16-17. Lower parental education levels and higher body mass indexes were found to predict activity decline in both racial groups, while pregnancy was associated with activity declines only in black girls.

SourceNIH/National Heart, Lung and Blood Institute·JournalNew England Journal of Medicine·DateSep 4, 2002
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Chicago researchers find why uncircumcised men have more HIV

A study published in the American Journal of Pathology found that uncircumcised men are more susceptible to HIV due to high concentrations of target cells in their foreskin tissue. This tissue contains higher densities of CD4+ T cells, macropahges and Langerhans' Cells than in circumcised individuals or cervical tissue.

SourceRush University Medical Center·JournalAmerican Journal Of Pathology·DateSep 4, 2002

Duke researchers develop method to make safer drugs

Researchers at Duke University Medical Center have developed a method to create a class of drugs with controllable effects, allowing for the creation of matching antidotes. The new approach uses aptamers, which are compounds made of nucleic acid that bind directly to target proteins, to inhibit protein activity.

SourceDuke University Medical Center·JournalNature·DateSep 4, 2002

More than 70 percent of adults with cancer use alternative therapies

A study found that nearly all patients with cancer reported improved well-being from using alternative therapies, but used these therapies primarily for general health, not as a substitute for conventional medicine. Cancer patients who were female, college-educated, or younger were more likely to use alternative treatments.

SourceFred Hutchinson Cancer Center·JournalThe Journal of Alternative and Complementary Medicine·DateSep 4, 2002

Fulbright grant for upper atmosphere work in Greece

Kelley, a Cornell professor, has been capturing images of the Earth's upper atmosphere over Greece as part of a Fulbright program research project. He aims to find clear evidence for waves traveling through atmospheric layers and their effect on radar.

SourceCornell University·DateSep 4, 2002
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Scientists unlock secret behind cause of chronic lung disease

Researchers discovered an enzyme called Hck that plays a role in activating macrophages, which form part of the immune system in the lungs. The team found that altering the enzyme led to progressive lung disease in mice, mimicking human COPD symptoms, including mucus accumulation and scarring.

SourceUniversity of Melbourne·JournalJournal of Experimental Medicine·DateSep 4, 2002

Another view of Chicago school policy

Professor Lipman's research highlights how current policies exacerbate existing inequalities and create new ones. She recommends providing all students with an intellectually rich education, deploying significant resources to under-resourced schools, and challenging deficit notions about children of color.

SourceAmerican Educational Research Association·JournalAmerican Educational Research Journal·DateSep 4, 2002

Endangered chimpanzees focus of urgent action

The western chimpanzee is critically endangered with only 4% of its original population remaining. Conservation efforts are underway to address threats such as agricultural development, logging, and the bush meat trade. The action plan provides a roadmap for halting or reversing the decline in chimpanzee numbers in West Africa.

SourceConservation International·DateSep 4, 2002
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GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Study finds new target for development of anti-cancer drugs

Researchers at Penn State have identified a protein, km23, that is defective in nearly half of human cancer tissues. Alterations in this protein disrupt cell signaling, leading to tumor growth and spreading. The team hopes to develop drugs targeting km23 to prevent tumor progression and diagnose specific cancers.

SourcePenn State·JournalMolecular Biology of the Cell·DateSep 4, 2002