"The Controversial Exam Carl Sagan Gave His Students"

https://www.youtube.com/watch?v=-Pc3IuVNuO0

Today, most students would fail this class. Note, the reading list is still relevant decades later. =3

Oh, youtube videos. Five minutes into the video, still just a looooooooooooooooong introduction, no example from the exam yet.

That's what we get when we pay video producers per minute.