We find out if it's possible to revise for exams, become a mechanic or pick up a new language in your sleep! Do those CDs really work? Plus, we ask how many calories our bodies actually absorb from the food we eat.

• Do subliminal learning CDs work? - Naked Scientists Science Podcasts and Science Radio Shows
• My name is Julielani Chang and I live in Davis, California and I have a question. My question is, i... - Questions
• The French Teaching Kitchen - Interviews
• Neuromarketing - The Brain Basis of Buying Behaviour - Podcasts
• Are we Getting Smarter? - Features
• Don't Worry, be Happy! - Features