Friction

If Buzz Skyline was my physics teacher back in high school, and taught lessons like this one (reading aloud NSFW, silent reading is OK), I'd be a physicist today, not biologist.

More like this

Via Digg, an article on hilarious Google searches. Hmm, reminds me of one I discovered a while back. (Below may or may not be NSFW, depending on your level of puritanism.
Definitely bio. Definitely ephemera. Definitely NSFW...
Very NSFW. Not as bad as Eminem vs. Triumph.
...as I was reading this! But it's science! Thus, not NSFW by definition....