scientific american - 1994 07 - how cancers defeat drug therapy
scientific american - 1995 07 - can implants cure diabetes
scientific american - 1996 04 - smart rooms
scientific american - 1996 07 - hawking vs penrose
scientific american - 1997 07 - an endangered buddha contemplates oblivion
scientific american - 1998 07 - new victories against hiv
scientific american - 1999 07 - molecules from space
scientific american - 2000 07 - alien civilizations if they really exist, why aren't they here