Episode details
Available for over a year
A leap year means there's an extra day in the calendar - 29 February. Astronomist Daniel Brown from Nottingham Trent University explains why they exist. Image: Getty Images.
Programme WebsiteUse Â鶹Éç.com or the new Â鶹Éç App to listen to Â鶹Éç podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
A leap year means there's an extra day in the calendar - 29 February. Astronomist Daniel Brown from Nottingham Trent University explains why they exist. Image: Getty Images.
Programme Website