As I said, the ideal is to use expert opinion as prior unless you have a lot of good info, or you think something is uniquely dysfunctional about an area (its rationalist folklore that a lot of areas are dysfunctional -- "the world is mad" -- but I think people are being silly about this). Experts really do know a lot.
You also need to figure out who are actual experts and what do they actually say. That's a non-trivial task -- reading reports on science in mainstream media will just stuff your head with nonsense.
DeepMind's go AI, called AlphaGo, has beaten the European champion with a score of 5-0. A match against top ranked human, Lee Se-dol, is scheduled for March.