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26/10/2009 GMT

What triggers earthquakes and why do we know so little? Plus the Arctic and African cities

• 49 mins

25/10/2009

PD James, Cormac O'Grada, Karin Sanders

• 55 mins

01/11/2009

David Kilcullen, Robert Service, Catalin Avramescu

• 55 mins

08/11/2009

1989 and the fall of the Berlin Wall, both an ending and a beginning

• 55 mins

15/11/2009

Antony Gormley, Viktor Mayer-Schönberger and Beau Lotto on the body, forgetting & illusion

• 55 mins

22/11/2009

Frank Furedi, Sabrina Maniscalco & Tahmima Anam on education, entanglement and epiphany

• 55 mins

29/11/2009

How to find the world in a grain of sand or a human being

• 55 mins

06/12/2009

Eternity, the resilience of corruption and how we know what others are thinking

• 55 mins

13/12/2009

Fire, food and fun in the evolution of life

• 55 mins

20/12/2009

The strength of Chinese women, the intelligence of dolphins & the power of the comic book

• 55 mins

27/12/2009

This week's theme is translation: in poetry, science and in architecture

• 55 mins

03/01/2010

We challenge assumptions about Australian heroes, history and humanity

• 55 mins

10/01/2010

Why a vast array of unknown species is still out there waiting to be discovered

• 55 mins

17/01/2010

To see the world differently, opt out of society or just watch water boil!

• 55 mins

24/01/2010

What gives an object meaning and value? The Forum this week comes from the British Museum.

• 55 mins

07/02/2010

The true source of power: is it love, self interest or the cutting edge of biochemistry?

• 55 mins

14/02/2010

Radically changing the world's monetary systems...and why our nose knows best.

• 55 mins

21/02/2010

Why pointing's unique to humans, the financial meltdown that wasn't & serious video games

• 55 mins

28/02/2010

How do our ideas of home define us, and are there other planets we could inhabit?

• 55 mins

07/03/2010

In The Forum from Wales we ask how we can improve trust in an age of catastrophic risk?

• 55 mins

14/03/2010

The past and future of the internet: where is it heading? And what if it stopped working?

• 55 mins

21/03/2010

What makes an outsider become an insider?

• 55 mins

28/03/2010

Is it a good idea to erase our painful memories?

• 55 mins

04/04/2010

How much money is one life worth? Should we be putting a price tag on the terminally ill?

• 55 mins

11/04/2010

Storytelling: through DNA, ancient texts and in Eastern wisdom

• 55 mins

18/04/2010

Is art and creativity universal and what evolutionary advantage has it given us?

• 55 mins

25/04/2010

Power-games, unwelcome parasites, and the rise of middle classes in the Muslim world.

• 55 mins

02/05/2010

Innovation: the mysterious realm of nanotechnology.

• 55 mins

09/05/2010

Engaging your enemies: is democracy a precondition for peace?

• 55 mins

16/05/2010

Tracing the silvery threads of a spider’s web… the power of connections.

• 55 mins