 there does seem to be evidence that they soak up toxins from the water, and what that means is that, of course, all of those things concentrate as you go up the food chain. So from a very self-interested point of view, you know, if we're eating a fish that's eaten four other fish and was eating plankton before that, you've got a very concentrated form of these kind of plastics going into your body. But, I mean, I agree about the tidal stuff as well. I mean, the tides are just extraordinary, and