Access to water and sanitation and its impact on menstrual hygiene distresses women both on Earth and in space Hardly anybody knows that the menstrual cycle at zero gravity is one of the logistic variables for space missions. Since the sixties, over 60 women astronauts have had to figure out how to deal with their periods aboard spaceships. The physical impacts as well as … [Read more...] about Menstruating: a challenge in the sky and on land