Please visit the Association of Science-Technology Centers' website, http://www.astc.org, where you will find a wide range of traveling exhibitions. Additional or non-web-based information about exhibitions may be obtained by calling 202/783-7200 or sending e-mail to [log in to unmask] If you are interested in adding your exhibitions to the clearinghouse, please contact Beth Porter at ASTC. -Steven Eichner [log in to unmask]