Here’s what space toilets can teach us about finding signs of alien life
Waste flushed from space shuttle simulates the plumes of icy moons, one scientist suggests
![Enceladus](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/10/101717_lg_spacetoilet_feat.jpg?fit=860%2C460&ssl=1)
SPACE SPEW The same process that forces water out of flushed toilets on the space shuttle also applies to the gushing vents on Saturn’s moon Enceladus (shown).
SSI/JPL/NASA, Emily Lakdawalla (mosaic)