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.
Clocks in the Rocks
Radioactive decay processes have proven particularly useful in radioactive dating for geologic processes. Uranium-lead, potassium-argon, and rubidium-strontium dating.