Random Samples Cancer Gene Testing * Agar Move Over? * Dutch Cat Death Puzzle * World's Most Powerful Laser + See all authors and affiliations Science 07 Jun 1996:Vol. 272, Issue 5267, pp. 1425DOI: 10.1126/science.272.5267.1425 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.