'Buffy' doesn't match astronomers' expectations of how a Kuiper Belt is supposed to act. Read the full story.

Things get festive around Radio Active as I talk about my Christmas Geek Tree and present the Geek Gamer Gift Guide.I've also got reviews of two LEGO-based fan games, BrikWars and BrikQuest, and talk about the cool new laptop backpack my wife got me for my birthday.

Getting the Podcast

You can get the podcast in two ways:

• Download the MP3 directly
• Subscribe to the podcast rss feed using an aggregator (you only need to do this once; subsequent shows should download automatically)