This week Chris Smith and his team of Naked Scientists take a look at a new development which could speed up the production of electric cars, why mice get a kick out of sunning themsleves and what this means in the fight against skin cancer, a lizard like creature which could help regenerate human limbs, scientists blow up a mountain in their quest to explore the universe, and as David Cameron calls for a big push on dementia research the scientists take a look at Alzheimer's disease including how a computer game is being used to teach kids about it.