As space exploration progresses, engineers are testing fundamental human needs. The Artemis II mission included a toilet system test to prepare for deeper journeys into space.

<img alt="A white bucket with a blue hose sticking out sits in a small closet. " height="349" src="https://i.cbc.ca/ais/5ddd1317-3fdd-446d-9dd1-ed4dc19e97d4,1775770151473/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C0%2C1752%2C985%29%3BResize%3D%28620%29" title="The Universal Waste Management System, seen here in a simulation setup. " width="620" /><p>When we sent four humans 406,771 kilometres into space for the first time, we also sent a toilet with them. After all, if the plan is to go fart...