"Discovery Institute" ("DI") is a Nonprofit organization/non-profit public policy think tank based in Seattle, Washington (state)/Washington, best known for its advocacy of the pseudoscience "intelligent design" (ID). Its "Teach the Controversy" campaign aims to teach creationism/creationist anti-evolution beliefs in United States State school#United States/public high school Science education/science courses alongside accepted Scientific theory/scientific theories, positing a scientific controversy exists over these subjects.
In Kitzmiller v. Dover Area School District (2005), the United States District Court for the Middle District of Pennsylvania found:
: "The proper application of both the endorsement and Lemon v. Kurtzman#Lemon test/Lemon tests to the facts of this case makes it abundantly clear that the Dover Area School District/Board's ID Policy violates the Establishment Clause. In making this determination, we have addressed the seminal question of whether ID is science. We have concluded that it is not, and moreover that ID cannot uncouple itself from its creationist, and thus religious, antecedents." [...]More Discovery Institute on Wikipedia.