The following document(s) are now available from the NSF Online Document System. Scientists Retrace Evolution of an Important Human Protein URL : http://www.nsf.gov/publications/pub_summ.jsp?ods_key=pr07102 Type : News Releases Subtype : Biology =============================================== MyNSF (formerly Custom News Service) http://www.nsf.gov/mynsf/ Please send questions and comments to webmaster@xxxxxxx