The Busy Beaver Challenge, a notoriously difficult question in theoretical computer science, is now producing answers so ...

WASHINGTON — The U.S. is concealing a longstanding program that retrieves and reverse engineers unidentified flying objects, a former Air Force intelligence officer testified Wednesday to Congress.

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Through teaching, publishing, convening, fact-checking and media literacy, Poynter creates a crossroads where communities come together to use journalism to confront society’s complex problems.

500 Days of Summer tells the story of Tom (Joseph Gordon-Levitt) and Summer (Zooey Deschanel), but not in chronological order ...