Chile unveils plans for its lithium industry

Chile's President Gabriel Boric has said he wants to partially nationalize the country's lithium industry. This comes as there is a high demand for the metal which is used in the production of electric vehicles. Chile is the world's second largest producer of lithium. The New York Stock Exchange is the most valuable stock market in the world. We hear from the Head of International Capital Markets at the NYSE on if rising tensions between China and the US mean that companies from the world's second largest economy are thinking twice about listing in New York. What if we could reverse your biological age or how about the idea of being able to increase our "healthspans" - live our healthy years for longer? Imagine feeling like you're 40 at 60. BBC Click presenter Lara Lewington has been to California and met a tech billionaire, who's trying to do just that.