If you haven’t discovered TED-Ed you should really go now!
Here they’ve developed a site that uses the famous TED Talk videos and transforms them into lessons. The lessons include the video, a quiz and ways to dig deeper into the subject. If you don’t care for the lessons they’ve provide you can ‘flip’ it into your own words and references.
Check out this one on James Watson, one of the scientists that discovered DNA. Charlotte Mason would love this first-hand account!