Pseudoscience is sometimes useful for finding examples - there's a whole subclass of pseudosciences (particularly in alternative medicine and pseudophysics) that are based on advocating an old formerly-mainstream theory that turned out to be wrong. It would almost be a reliable way to generate new alternative medicines.
This is the monthly thread for posting media of various types that you've found that you enjoy. Post what you're reading, listening to, watching, and your opinion of it. Post recommendations to blogs. Post whatever media you feel like discussing! To see previous recommendations, check out the older threads.
Rules:
Note for this month's thread: As per comment in last month's 'meta' subthread, the "Television and Movies" subthread has been split into two: "TV and Movies (Animation)" and "TV and Movies (Live Action)"