A professor put a link to a "Final Exam Answer Key" on his website that actually leads to the music video for Rick Astley's "Never Gonna Give You Up," and a friend of one of the students uploaded proof of it to Reddit yesterday. Professors are basically your college dads, so it's no surprise that they arrive to a joke a decade after you got tired of it—next they'll probably be teaching biology with help from that sneezing panda

Sources: Redditor Toasty_Jones