I always wondered how chickens could survive in the wild. The more you know!
Last year, the reddit /r/MyLittlePony and /r/TheLastAirbender communities participated in a friendly charity competition, where they donated tens of thousands of dollars to charity, and hundreds of years of computing time to the World Community Grid.
A similar event will be held this year, starting today, but which will additionally involve the communities /r/AdventureTime and /r/HarryPotter. The event consists of 4 phases. Details can be found here:
Best part is, whichever community wins, charity wins too!