Websites

http://understandinguncertainty.org/ 
An interesting blog with links to articles on probability, especially in the field of understanding risk.

http://www.badscience.net/
Ben Goldacre's blog, BadScience, has a whole host of interesting articles about the abuse of statistics. It's also rather funny, and you can read pages of entertaining details about TV nutritionist Gillian McKeith, or, to give her her full medical title, Gillian McKeith.

http://nrich.maths.org/public/
The nrich site is full of interesting puzzles and problems and is updated monthly.