The research was overseen by the Institutional Review Board, which is what I named my surfboard.

Planetary Science [Explained]

Transcript

[An article from a journal is shown.]

[Title of journal article:] Evidence for Liquid Water on the Surface of a Terrestrial Planet in the Habitable Zone

[Below the title are four lines of blurred text presumably representing the name of the author or authors and their affiliations. Below that, the text of the article is blurred, displayed in two columns. There are three sections of blurred text each with a blurred boldface heading. Two pictures are included amid the blurred text. The picture in the left column shows the sea running alongside a beach. The picture in the right column shows Jill and Kidball playing at the beach, with Jill running and Kidball building a sandcastle, while Cueball and Megan are sitting under a beach umbrella watching them.]

Free Harvard courses. Free Courses from Stanford. Free Courses from MIT. Free courses from Yale. Free courses from Princeton.

Free courses on Coursera.

Free Courses on EDx Free Courses on Alison

For paid, there's The Great Courses+/Wonderium. 20$ a month for unlimited courses.

And I also wanted to mention that humanitarian organisations have free courses too, like the Red Cross on international humanitarian law.