5 Live Science Podcast

Andy Crane is joined by Dr Karl for the first science phone in of 2013. He tackles issues from password protecting computers, to why chickens lay different coloured eggs and where are all the transitional fossils?

This week we find out why cells in a honeycomb are hexagonal? What was before the big bang? As well as the top 10 science events of 2012

For Christmas, Dr Chris Smith and the team join Dotun for a look at the lighter side of recent scientific news, including whether the festive season cures cancer and how speedbumps help diagnose appendicitis.

On the latest edition of Dr Karl, we find out if ice conducts electricity the same way as water. We also discover if the five second rule is true, after food is dropped on to the floor. We also take a look at people who can remember every event of every day of their lives. They have HSAM - Highly Superior Autobiographical Memory.

A british team exploring ice two miles down in Antarctica that hasn't seen the light of day for 500,000 years, are there fewer stars now than when we were younger and how could it take a week for a bruise to visibly develop on a listener's bottom.

Dr Chris and the Naked Scientists with a closer look at some of this week's science stories including; a trigger to regrow heart cells and the prophylactic effects of having children.

Dr Chris, the Naked Scientist stands in for Dr Rhod tonight and fields questions about norovirus, why humans have rhesus positive and negative blood and wandering giant planets.

Bacteria on the teeth, the age of the Sun and what's it called when you're on a train and another train moves and you think it's your train that's moving? Dr Karl and Dr Rhod wrestle with your science queries.

Dr Karl joins Dr Rhod to discuss different approaches to CPR and emergency medicine, how 4G does what it does and why so few acorns this autumn?

A molecular whodunit involving MRSA, gene therapy for epilepsy, and whether women synchronise their menstrual cycles are all on the billing this week.