Newsweek - November 9, 1998, written by Sharon Begley

The New York Times  - March 21, 1998 Page 1, written by Gina Kolata. 

The Washington Post - March 22, 1998 Page 1, written by Rick Weiss 

Nature Magazine  - March 26, 1998, written by Meredith Wadman

National Public Radio - Morning Edition  - March 20, 1998 - Interviews with Gregory Stock,  French Anderson and others.