plankton absorb that, the fish eat the plankton, bigger fish eat the smaller fish. so every step you go up the food chain, the concentration of the radioactive gets higher and higher. that's the issue that has me more concerned than the iodine. >> sanjay, only two -- the officials are saying look, they're getting enough calories per day. we're told sometimes they've been only eating twice a day, sometimes just crackers and a protein mix. how concerned are you about their health? how long can they be expected to keep this up? now the officials are saying we're going to start giving them more of a variety and maybe even three meals a day. i'm stunned that hasn't been happening. >> yeah, me too. three weeks now we're talking about here. i think it's very concerning. the type of work that they're doing as well, turning valves, trying to keep this reactor under control. you know, it's a constant battle as we've been reporting for some time. they have to get noncontaminated