Detailed text transcripts for TV channel - CNN - 20110315:18:44:00
Done. we're talking about carbon 14, uranium, which is used in much, much higher concentrations to power the nuclear plants. one unit of measurement when we talk about radiation is the miliseivert. on average per year, americans get 3m illisieverts per year. for one thing, when you get on a plane, you have less atmosphere above you protecting you from radiation on space. the plane, the levels you're exposed to are a bit higher than normal. we're looking at about three days worth in a five-hour coast to coast flight. >> wow. i fly a lot during the week. what else? >> it goes up for chest x-rays...
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