Kevin A. Ford

A lot of scientists on Earth think of things that they could do in zero g. Things like the way metals cure, for example, and the way fluids react in space can tell us a lot about some of the unknowns we have on Earth.

Space station is, it really is one of the more, if not the most, impressive technological achievement of the modern day, not only in what we've accomplished engineering-wise but what we've accomplished on this international scale, because anybody will tell you that half the challenge is making it all work.

The thing about dancing - what it taught me all those years - is it gives you an amazing sense of discipline in forcing yourself to do things that you know are good for you but you don't really want to do.