nuclear power plant. see the thid voe taken after the massive earthquake. officials say the wave that hit the power plant was likely 45 to 48 feet high. crews continue working to cool the reactors and stop radiation spewing from the plant. in the u.s. the number of states impacted by radiation spewing from the plant is rising. look at this map. at least 16 states across the country have detected tiny amounts of radiation. health officials have been quick to say the amounts are so small they pose no risk to human health. joining me live is dr. harold hastings from the fizz physics department at hoffstra university. thank you very much. 16 states across the union. should we worry? we should not. we live with radiation all the time. the detectors are extremely