https://www.youtube.com/watch?v=6RXIF11x1hM
https://www.youtube.com/watch?v=eFHwTD9eHyw
https://www.youtube.com/watch?v=YCdXgGkeJVo
https://www.youtube.com/watch?v=unrby04fIiI
https://www.youtube.com/watch?v=TzifMl12ahk
https://www.youtube.com/watch?v=5Za4VXhsdUE
https://www.youtube.com/watch?v=RG5BEoejrJw
Students may choose researched videos as well, these are just an idea.