Richard Hollingham investigates the scientific and environmental uses of algae.
Professor Alison Smith talks to Jim Al-Khalili about the many and varied uses of algae.
Dee Dee Conover, from a family of lighthouse keepers, on her encounter with a whale.
Philip Hoare attends the necropsy of a porpoise and thinks about going inside a whale.
Brett Westwood delves into the delightful sphere of the dung beetle.
Brett Westwood investigates our relationship with earthworms.
Brett Westwood follows the elephant through human history, from battlefield to big top.
Brett Westwood investigates the biology and culture of the fox.
Miranda Krestovnikoff examines claims that jellyfish are taking over the world's oceans.
Chris Sperring searches for one of the most abundant mammals in the UK, the vole.
At a moth trap on the Lizard in Cornwall, migrating moths from the continent make landfall
Brett Westwood steps into the world of a creature charged with the lore of the night.
Brett Westwood explores the nature and culture of oysters.
Hardeep Singh Kohli celebrates the oyster, a delicacy which goes back to Roman times.
Miranda Krestovnikoff presents the story and sound of the quail.
Lionel Kellaway gets close to a smooth snake and sand lizard, our rarest reptiles.
Oysters are receiving renewed attention around the world. Dan Saladino explains why.
Martin Wainwright looks at our national night time obsession - with the beauty of moths.
Alan Dein meets the oyster fishermen of the Fal whose livelihoods are threatened by E coli
A couple who study the spawning grounds of the world's last great salmon run.
Two Cornish oyster fisherman travel to the 'Slow Fish' gathering in Genoa.
Biologist Mary Seddon explains why she finds the study of molluscs so compelling.
A letter sent in 1891 tells the story of a sailor who survived being swallowed by a whale.
How do bats echolocate? And why don't they get confused by neighbouring signals?
Vivienne Parry asks if science understands how the Elephant's trunk evolved
Rod Liddle debates our responses to two vilified animals, the fox and the rat.
Can animals be gay? Hermione Cockburn investigates the biologists who say they can.
Lionel Kelleway is in search of wasps. Recorded in 2000. Presented by Chris Packham.
Melvyn Bragg and guests discuss the evolutionary history of the whale.
Lionel Kelleway is in Dartmoor looking for the ash-black slug with John Walters. From 2008