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MPAA Rating

NR

Category

Documentary
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Critical Mass (2012)

Run Time - 100 min.  |   Countries - United States  |   MPAA Rating - NR
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Synopsis

Things aren't looking good for the world's population; as we multiply at an alarming rate there is not enough food, space... or sense. This intelligent film interweaves a fascinating 1960s rat experiment by Dr. John B. Calhoun with a slick snapshot of today's urban jungle.