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.
ph scale
(Sofia of the Clue Crew demonstrates.) When I put lemon juice on litmus paper, the resulting color tells me where on this scale it belongs
Trivia about ph scale
In 1909 Soren Sorensen came up with this scale to measure acidity
A litmus test can help you set things on this scale devised by S.P.L. Sorensen