dr. wolford, as dr.eltito just pointed out, they've had a lot of attention, they've had medicine, trying to get them on a schedule. there still has been concern, in spite of the fact that the first four we saw come out of that capsule, at least to our eyes, looked very good. what other things will doctors be looking for? >> well, you know, certainly as some of them will probably have preexisting health conditions. so, it's been a very stressful environment. so, if they had heart problems, lung problems, they could, you know, really have exacerbations of those conditions. they'll be watching them very carefully for that, i'm sure. >> one of the things they've talked about, it's the reason they have these monitors on, especially during this assent, they're looking for drops or spikes in blood pressure, the possibility, i guess, when you're making that assent like that, there could be some changes in pressure, sort of a decompression type sickness. would there be the possibility of maybe a nausea? do you th