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.
Is Dark Matter Theory or Fact?
As part of Scientific American's "Ask the Experts" series, physicists Rhett Herman of Radford University and Shane L. Larson of Montana State University give an accessible account of the evidence for dark matter.