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.
gray matter
Grey matter (or gray matter) is a major component of the central nervous system, consisting of nerve cell boies (neurons), glial cells (astroglia and oligodendrocytes), capillaries, and short nerve cell extensions/processes (axons and dendrites).
Trivia about gray matter
It does "matter" that you give us this colorful slang term for the brain
This slang term for the intellect is also the name of colorful nerve tissue in the brain