Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
www.arb-silva.de
The provided databases comprise SSU and LSU sequences of all three domains. Online search and alignment tools are available and the results can be exported in ARB and FASTA format.