[Karl Spooner]

Sh@t, it's what's for dinner!

Human waste used to make ‘Marmite-like’ food for astronauts

'Microbial goo' could feed people on lengthy space missions to Mars and beyond"

[IronJack]

I remember Donovan had a song decades ago called "Intergalactic Laxative." One line went "If sh_tting is your problem when you're out there in the stars, the Intergalactic Laxative will get you from here to Mars."

Who knew he was prophetic?