Here are some youtube videos from the "other" state grammar school where I grew up. Apparently it all revolves around a class that was taught the wrong syllabus for their A-levels by a teacher called Mr. Hunt.
Someone has looked at the page views on wikipedia and come up with a summary where you can see what the current most popular topics are and the fastest rises in popularity. Additionally, you can enter any topic and see how its popularity has varied. Nice.