Ever wondered what astronauts do when they need to evacuate their bowels and bladder? In this video, Samantha Cristoforetti explains how a trip to the toilet works aboard the International Space Station.

Of course astronauts need to pay a visit to the John, just like we all do‚ÄĒperhaps more than ever, now there‚Äôs an espresso machine in the International Space Station. But a trip the toilet is... difficult in space. So it‚Äôll perhaps come as no surprise that the space station‚Äôs toilet owes more to suction tubes than your regular throne. Watch and learn. [ESA]