According to the Washington Post (posted July 8), Supreme Court justices Google just like we regular people. Judicial use of generalized facts about the world in legal opinions has become a new focus of legal academic research. Professor Allison Orr Larson of William & Mary Law School has authored Confronting Supreme Court Fact Finding, 98 Va. L. Rev. 1255 (2012). She looked at 15 years of Supreme Court decisions and found more than 100 examples of asserted facts from authorities never mentioned in any of the briefs in the case.
“[V]irtually all of the justices do it regardless of whether they are traditionally labeled liberal or conservative, and they cite authorities they find themselves on a wide range of subject matter (from biology to history to Golf).” 8-9 of SSRN download.