Peter Piot talks to Jim Al-Khalili about Zika, Ebola and HIV.
An investigation shows UK regulator does not publish details of antibiotic use on farms.
Sir David Attenborough presents the globally widespread but secretive black stork.
Brian Cox and Robin Ince get romantic as they discuss the mathematics of love.
Charlotte Smith investigates the various animal diseases that threaten UK farming.
Brexit and UK farming - shall we stay or shall we go now?
Laurie Taylor explores the history of the modern, material world.
Michael Palin presents the iconic American bald eagle from Alaska.
Cut off by the winter floods, Anne Cornthwaite is struggling to farm her land.
Helen Mark gets on her skis at Glenshee as it opens for the winter season's first snow.