As stock market turmoil spreads across the globe, the advice is to keep calm and carry on, folks. In the latest This is Money podcast, editor Simon Lambert and host Georgie Frost discuss what's causing it, how long will it go on for and how concerned we should be. Because we're a positive bunch, we also reveal the shares that have rocketed over the last five years, some by more than 1,000 per cent. Also, we answer a reader query about state pensions - can couples inherit it from each other and how much might they get? Elsewhere, we take a look at the best way to clear your buy-to-let loan and discover how to bag a property bargain.