When in doubt, ask. The stackexchange network is great to get answers to questions.

skeptics stackexchange is for example great to get answers to general questions.
If you encouter a significant claim on the internet it's often a useful website to check. Recently I came about the claim that batteries follow something like Moore's law. I headed over to skeptics stackexchange and post a .

Another useful habit is Anki. Especially if you don't trust your brain to remember information on it's own, let Anki help you.