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.
trp operon
Trp operon is an anabolic operon which promotes the prouction of tryptophan in the absence of tryptophan in the environment. This is regulated both by repression and by attenuation.