In Print Focus: Study Analyzes the Character of Two-faced Estrogen James Liao and his research team have found a possible explanation for estrogen's paradox—apparently being both protective and harmful. Its dual nature may depend on the hormone's action outside the nucleus as well as its well-known genetic effects inside. On The Brain MedEd News Mentations BBS Bulletin

Headlines AIDS Vaccine Study Harnesses 'Killer' Immune Cells to Control Virus, Prevent Disease in Animals Doctors in Five Countries See Decline in Quality of Care Risk of Lung Cancer May Be Reduced by Eating a Wide Variety of Fruits and Vegetables Upcoming The Harvard Conference on Quality of Health Care in the Era of Consumerism Conference Chairs: R. Heather Palmer, HSPH Arnold M. Epstein, HSPH November 15-17 (Fee required)

Spotlight Schepens Symposium Marks 50th by Eyeing Future Schepens Eye Research Institute celebrated its 50th anniversary with a symposium on Oct. 5 to 7 that discussed directions in eye research and new clinical applications. J. Wayne Streilein, president of SERI, opened the meeting, which featured more than two dozen speakers. Student Scene The Authorship Game: Determining Where Credit Is Due Looking back on a paper she had published recently, Robin Lucas examines the division of work behind the list of co-authors. Generally, it's unclear who did what on a scientific paper because no formal system exists to indicate the nature of individual contributions. Some scientists and scientific journals, however, are taking steps to clarify these roles.

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