FRONT PAGE INTERVIEW CREATIVE WRITING SCIENCE PEOPLE MEDIA HOT TOPICS BUSINESS SENATE RACE ENTERTAINMENT	WHYVILLE HELP : GALLERY : DR. LEILA : SEARCH : SUBMIT : HOME Jan 31, 2007      SCIENCE Discovering Science: Lather, Rinse, Repeat? MysticP asks is it really necessary to "lather, rinse, repeat?"     numedeon.inc