Everything about ICP is unintentionally hilarious but this video might be the pinnacle of their careers.
http://www.youtube.com/watch?v=_-agl0pOQfs
Listen as two grown men in clown make-up abuse couplets and meter to explain how "pet cats and dogs,/fog/crows/magnets" are magical.
Handy science text based on this song:
http://www.cracked.com/blog/learn-your-motherfuckin-science-with-the-icp
ICP news network satire:
http://www.youtube.com/watch?v=pkC7dcxZ5_Q&feature=player_embedded