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How to watch: The first episode of CIA is now streaming on Paramount+. New episodes premiere Mondays at 10 p.m. ET and stream the next day on Paramount+.
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The background radiation from cosmic rays increases with altitude, from 0.3 mSv per year for sea-level areas to 1.0 mSv per year for higher-altitude cities, so for best results use this on a plane or in outer space