If any of you have played the Halo games, you'll know there is a deadly parasite called the flood. In the kerbal science trailer, there is a little octopus thing that looks (and moves) like a flood infection spore thingy. On the halo nation it says the flood came from a crashed ship on the edge of the galaxy. Crashing is a very kerb-ally thing to do. It also says that the ship contained a powder that, when consumed, the consumer turned to flood. Here is my theory of where the flood came from. On Kerbin a mission to go interstellar happened, containing a science jr lab thingy. Kerbin was near the planet where the flood landed, and when they entered warp, something went horribly wrong. The Kraken attacked!!!, smashing the occupants of the ship against the walls of there spacecraft so vigorously, for so long, the Kerbals, and flood thingies in the science module, turned to dust, the dusts mixed, and the flood powder was formed. The ship was already on a collision course with the forerunner planet, and it crashed. The forerunners thought the powder was sugar, and the ship, a crashed cargo ship, so they ate the "sugar" and the flood was formed! Thanks for reading, and don't forget to leave your opinions below!