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Ahead of the 2014 deadline to sign up for Obamacare, the president addresses questions on the topic via Q&A service Quora. At the same time, Quora is introducing a verified profile system.
Star Wars and Star Trek director JJ Abrams has finished the script for the next adventure in a galaxy far, far away, but has ruled out shooting in IMAX and digital.
Mark Uhran, a 28-year NASA veteran with the International Space Station, outlines his thoughts on "Gravity," the terrifyingly realistic new film about free drifting in space starring Sandra Bullock and George Clooney.
Sci-fi tells us about the world of today by showing us the world of tomorrow -- and Kubrick, Godard and Wenders are just some of the directors to conjure the future from real locations