Well, hurrah! They have a video channel called Crash Course. It is great. Filled with short, fast videos of science and history, you can activate some prior knowledge, gain some insight, and review some material with these fast talking guys.
Here's an example. It is titled "The Renaissance. Was it a Thing?" You decide. They will help you. (oh, and in a way, I think they are OPVL-in the whole historical period, did ya pick up on that?).
