Shuffling is what you do to quickly put a deck of cards in a 'random' order. But there are many methods of shuffling - which works best? How can you tell if the deck is random yet? How long should you shuffle for? How easy is it to survive a saloon poker-room brawl? Some of these questions are answered in this episode, with help from mathemagician Persi Diaconis.

Buzz: Buzz buzz buzz buzz, buzz buzz? Buzz buzz buzz - buzz buzz bees buzz; buzz buzz. Buzz buzz buzz buzz. Buzz buzz buzz, buzz buzz Barry B. Benson buzz buzz buzz buzz! Buzz buzz Beavis buzz buzz buzz.

Shuffling is what you do to quickly put a deck of cards in a 'random' order. But there are many methods of shuffling - which works best? How can you tell if the deck is random yet? How long should you shuffle for? How easy is it to survive a saloon poker-room brawl? Some of these questions are answered in this episode, with help from mathemagician Persi Diaconis.

Buzz: Buzz buzz buzz buzz, buzz buzz? Buzz buzz buzz - buzz buzz bees buzz; buzz buzz. Buzz buzz buzz buzz. Buzz buzz buzz, buzz buzz Barry B. Benson buzz buzz buzz buzz! Buzz buzz Beavis buzz buzz buzz.

The annual CTP holiday extravaganza (duly delayed as per tradition).

Christmas doth come but once a year. But the first anniversary of founding CTP City only comes once in a lifetime. Amongst some reminiscing we discuss favourite christmas presents and a particularly memorable christmas film.

We have ourselves a merry little quiz.

What is it about old people that makes them smell like mothballs? Nobody really knows. But some folks do know how to calculate the ages of various rocks, fossils and trees.

It seems like the world only just recovers from one end-of-the-world event and then we're onto another one. How do we keep up? This time it's the sinister Mayan calendar and the blockbuster film 2012.

Quiz. Yep.

Ever been to a psychic, read a horoscope, or had a tarot reading? Well, Nadine has. We interview tauromancer Lynne Kelly about the techniques she uses to give readings.

Ants are weird little critters. They barely have a brain, but between them they have managed to take over the world. We look at what makes them so great.

We all bow down to the mighty Quizmaster.

Ever been to a psychic, read a horoscope, or had a tarot reading? Well, Nadine has. We interview tauromancer Lynne Kelly about the techniques she uses to give readings.

Ants are weird little critters. They barely have a brain, but between them they have managed to take over the world. We look at what makes them so great.

We all bow down to the mighty Quizmaster.

Shockingly enough, we continue our series on electricity from last week. This time we look at how batteries and power stations work - the information will be conducted right into your brain. Don't bother to insulate yourself, you know you can't resist.

Lawrence Krauss wrote the book on the physics of Star Trek. We talk to him about stuff including time travel, 'warp' drives, negative energy, dark energy, the transporter and the tricorder. So much fun packed into such a short space of time - it's a singularity of awesomeness.

Our continuing mission is to have a quiz at the end of each show.

Shockingly enough, we continue our series on electricity from last week. This time we look at how batteries and power stations work - the information will be conducted right into your brain. Don't bother to insulate yourself, you know you can't resist.

Lawrence Krauss wrote the book on the physics of Star Trek. We talk to him about stuff including time travel, 'warp' drives, negative energy, dark energy, the transporter and the tricorder. So much fun packed into such a short space of time - it's a singularity of awesomeness.

Our continuing mission is to have a quiz at the end of each show.

The magic of the internet is brought to you by the letter E, for electricity. This deserves a thanksgiving sacrifice, so we've offered up the first half of this episode to electricity.

We all love alien movies, and District 9 is no exception. However, we can't spend half an hour just gushing about the movie (and expect to keep our listeners), so this section is about the possible mechanisms behind the alien technology.

What did Sir Mix-a-Lot mean when he said, "I'm down to get the friction on"? We're not exactly sure, so we thought we would look into the world of friction for answers.

What would it be like to be two dimensional? Well you might fall through sewer grate. But what if the whole world were two dimensional? In Flatland our hero A Square gives us a view of what it is like in his two dimensional world.

Ask and ye shall receive - of the quiz.