In the final of our special series of programmes from the British Science Festival, we find out how researchers will be drilling through over 3 kilometres of ice to find out what's hiding in subglacial Lake Ellsworth.  Plus, how a high fat diet may alter the brain...

• BSF 2012 - Subglacial Lakes & Food on the Brain - Naked Scientists Science Podcasts and Science Radio Shows
• Is there life under Antarctica? - Podcasts
• The British Science Festival - Podcasts
• Ugly Animals Need Love Too - Podcasts
• Are Dogs Ticklish? - Podcasts
• Passengers in a Bacterial Body - Podcasts