
POSTED 16 DEC 2004
CreditsNorman Fost
Professor of pediatrics and medical ethics
University of Wisconsin-Madison.* Peter Hoaken
Department of psychology
The University of Western Ontario.Marilyn McGinnis
Research professor, department of biology
University of Texas at San AntonioRichard Melloni
Associate professor of psychology
Northeastern UniversityTracy Olrich
Associate professor of physical education and sport
Central Michigan University.*denotes fact-checker
Megan Anderson, project assistant; Terry Devitt, editor; S.V. Medaris, designer/illustrator; David Tenenbaum, feature writer; Amy Toburen, content development executive