Life at 7,000m (PART II) Nancy and her partner Ralf Dujmovits, go inside for science – into a “hypoxia chamber” in Cologne, Germany - to be guinea pigs for a study on the positive benefits of extreme hypoxia on human beings. This is Part II of her journey.Community | Science Read More Community, ScienceNancy HansenJune 5, 2018nancy, hansen, dujmovits, ralf, dlr, altitudeComment