Try
http://www.nsf.gov/cgi-bin/getpub?nsf019
This takes you to a NSF page with links to a Dear Colleague letter from BIO. I infer directorates are making up their own minds about participation.
Carol Brodie wrote:
> Question regarding the NSF Cooperative RUI program.
>
> Reviewing the NSF site, they say that they are integrating the C-RUI program into the overall RUI umbrella, and that there won't be any more separate C-RUI competitions.
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