The One Show - 01/04/2010

Adrian Chiles and Christine Bleakley present a magazine series featuring a mix of interviews, topical reports and features from around the UK. The new Dr Who Matt Smith joins Adrian and Christine in the studio. Matt Allwright investigates the accuracy of weather forecasting and astronomer Mark Thompson discovers the science behind the mysterious particles known by physicists as 'dark matter'. Miranda Krestovnikoff tells an extraordinary story about a mythical creature, the unicorn.