Do We Have Enough Sand?

As the UK struggles with a lack of fuel in petrol stations and fresh food shortages in the supermarket, we ask: what else are we at risk of running out of? Plus, in the news, why we might be destined to succumb to the 'worst cold ever' this winter; signs that air pollution causes millions of premature births each year, and scientists peer into the past and read previously-hidden parts of Marie Antoinette's love letters... Like this podcast? Please help us by supporting the Naked Scientists