One of my bad habits is springboard diving at Parkside Pools in Cambridge. To find out more about the club, have a look at the Cambridge Dive Team webpage.
If you want to know what the weather in Cambridge is doing right now, have a look here.
There's a recording on Google video here of an interview with the great Richard Feynman, Nobel prize-winner and one of the most enthusiastic physicists ever, and certainly one of the best physics teachers the world has ever had.
If you ever want to check how awake you are, look at the BBC sheep game. It's brilliant!
Marine biology
Look here for short webcasts on various aspects of marine biology. They're pretty cool!
Scripps has a series of podcasts on different projects they've been involved in. If you're interested, have a look here.