As suggested by 
hobbit_dave or possibly Hugo WINOLJ at our open house: stillsuits for infants. It's not that you necessarily want or need to recycle the material that exudes from every orifice, but that having a single tap for drainage would be very useful.
Also, forget Zero Point Energy as an SFnal power source. We really need to be harnessing all that waah-ing and all those flailing limbs.
