A lack of information coherence is one of the things that is at the heart of driving them. We're actually pretty close to the point of p discoherence, where if we get to that place, we might not be able to recover coherence. And so when we think about it, how long do we have with ocean asitification, before the coral die? Right now, the thoughts on that vary so widely that it's either the most important issue or we have quite a bit of time. Is fukushima really close to releasing a lot of radiation or not? And can north kreas neks really reach certain places or not? and what are the real risks with