Sign up for CNN’s Wonder Theory science newsletter to explore the universe with news on discoveries and scientific advancements. Scientists have unveiled a prototype spacesuit system that recycles urine into drinking water, inspired by the “stillsuits” from the “Dune” sci-fi franchise. Astronauts, who spend significant time on spacewalks, currently use absorbent garments to manage bodily waste. A study by Cornell University noted 37 spacewalks between 2021 and 2023, averaging 6 hours and 26 minutes each.