For me: 1.) Cicada 3301 - Lemmino [17:53]: https://www.youtube.com/watch?v=I2O7blSSzpI
2.) Why gravity is NOT a force - Veritasium [17:33]: https://www.youtube.com/watch?v=XRr1kaXKBsU
3.) The cost of Concordia - Internet Historian [48:48]: https://www.youtube.com/watch?v=Qh9KBwqGxTI
4.) Fast inverse square root - Nemean [20:08]: https://www.youtube.com/watch?v=p8u_k2LIZyo
5.) The dark side of the Silk road - Barely Sociable [1:14:45]: https://www.youtube.com/watch?v=GpMP6Nh3FvU
Sorry, i’m a nerd. If you are not: only watch no. 3; it’s funny.
Facts in Motion vids about flood basalt volcanoes and extinction events:
https://youtu.be/st_2C_Wrw4A
https://youtu.be/NrbdYcNTo7Y
I really wish he were still making videos.
Similarly, Nick Zentner’s lecture on the Flood Basalts of the Pacific Northwest. I can’t tell you how many times I’ve watched this exact lecture (although all of Zentner’s stuff is great):
https://youtu.be/VQhjkemEyUo
Vsauce’s Which Way Is Down. Of all his videos, this is the one I keep going back to:
https://youtu.be/Xc4xYacTu-E