The Kingdom of Science will need rations to last them through their voyage to the other side of the world. But Senku, being no professional, burns all the bread he attempts to bake.
That's the smelly stuff we get from pee.
.إنّه الشيء النتن الذي نحصل عليه من البول
É aquela coisa fedida 
que conseguimos do xixi.
Вонючая штука,
которую мы добывали из мочи?