The Science Tools checkouts are evaluation periods for the science tools in between the Data Challenges. Reviewers who are generally knowledgeable about the science tools are recruited to evaluate the functionality and usability of the tools in specific areas.
The Confluence pages for the checkouts are for posting comments on the tools and analysis results.
Checkout 1 (October 11-29, 2004)
Checkout 2 (March 21-April 8, 2005)