Jolyon Jenkins speaks to the unsung enthusiasts on a mission to protect us from asteroids.
Michael Portillo explores the intellectual battleground of World War One.
Ayisha Yahya explores warnings that some deserts could turn greener in the future
Simon Cox delves into the sometimes strange world of the hacker activist, or 'hacktivist'.
The story behind an alleged plot to blackmail the future prime minister Edward Heath.
Following the team who are working on the biggest telescope ever sent to space
David Goldblatt unravels the story of Brazil through its abiding passion for football
Lucy Mangan explores the future for homeworking. Who wins - employer or employee?
What happens when a songwriter accidentally copies someone else's song?
Paul Farley explores and exploits the creative possibilities offered by hotel stop-overs.
Gordon Corera tells the story of the search for the world's most wanted terrorist
Can animals be gay? Hermione Cockburn investigates the biologists who say they can.
Who wrote 'Clare Middleton I Love You Will You Marry Me' on a Sheffield bridge? Did she?
Martha Lane Fox tells the story of the early women pioneers of British computing.
Jim Carey celebrates the ice cream van with enthusiasts Francis Rossi and Johnny Vegas.
Haunted by the sinking of RMS Titanic, this is the story of an iceberg journeying south.
Bettany Hughes reveals the history of civilisation's most influential ideas.
Witty, irreverent look at the world through scientists eyes. With Brian Cox and Robin Ince
The Rev Richard Coles picks from this year's crop of Saturday Live's Inheritance Tracks.
Jolyon Jenkins reports on the people trying to get rich online without actually working.
Misha Glenny presents a history of Brazil
Misha Glenny presents a three part history of Germany before the world wars
Misha Glenny presents a history of Italy, from 1494 to the end of the First World War
Misha Glenny presents a history of Spain
Matthew Sweet explores why society is still so reluctant to talk about ageing.
Sheppey, landscape of cars, caravans and morose marshland - the place they call The Island
A rare visit to Palmerston, the South Pacific island, where all are descended from one man
Edward Stourton presents the story of the biggest mass POW breakout in history
Scientists analyse a small jawbone found in Kent's Cavern in Torquay over 80 years ago.
Steve Jones asks if people can be 'born bad"'- as was said of the infamous Jukes family.
Stephen Evans examines how soldiers are taught to kill and asks what it does to them.
Rowan Pelling visits Vienna to explore the enduring appeal of Gustav Klimt's The Kiss.
The surprising and touching story of how Richard Strauss' marriage inspired his music.
Hardeep Singh Kohli finds out if Maharaja Duleep Singh's remains should go back to India.
John Tusa explores the state of leadership in large UK organisations today.
Art critic Rachel Campbell-Johnston, explores the mysterious world of art attribution.
Aasmah Mir on the outspoken head teacher who caused a national controversy.
Jonathan Glancey argues that amid closures, the public library is also being reinvented.
Whatever happened to the dream of living under the sea? Helen Scales investigates.
A journey through the UK defence economy telling the story of a bullet from factory to war
What happens when you switch on a light? Toby Jones discovers it is a question without end
300 years of a Stradivarius through the hands of geniuses, dictators, refugees and thieves
Professional listeners reveal how there is far more to listening than hearing
Series about people whose professional lives revolve around listening.
Robert Macfarlane undertakes an immersive poetic pilgrimage to the Cairngorms.
Why were tens of thousands of people lobotomised in the 1940s and 50s in the UK and US?
Historian and broadcaster Dan Cruickshank goes off the beaten track in London
Every year more people try to swim the English Channel. Jolyon Jenkins joins the dreamers.
Edward Stourton retraces the route of Mao's Long March, to mark its 80th anniversary
Ruth Barnes explores the life, loves and music of the singer-songwriter Judee Sill.