Luther Lindler of the Walter Reed Army Institute of Research, Philip Cunningham of Wayne State University and Joan Rose of Michigan State University are scheduled to speak at a conference Saturday at Wayne State titled \"New Risks and New Defenses: The Technology of Bioterrorism.\" The Michigan branch of the American Society for Microbiology is sponsoring the conference. Registration begins at 8 a.m., followed by the conference at 9 at the WSU School of Medicine. Cost is $25 for society members, $40 for nonmembers. For students, it\'s $5 and $10.