18:56

Richard Savage: Retailing and the end of scarcity

15:52

Tom Chatfield: Play and immersion in virtual worlds

14:11

George Chopping: Reading and writing on the river

19:50

Susan Greenfield: The internet and 'mind-change'

17:31

Steve Rayner: Don't get locked in!

10:30

Tony Travers: The simple constants of good cities

18:02

Greg Offer: Battery electric vehicles, hydrogen fuel cells and biofuels. Which will be the winner?

13:49

Jane Withers: How much water do you eat?

14:03

Chris Sanderson: Living and designing in the DIY age

14:54

Sarah Harper: Extreme Longevity

14:10

Amanda Renshaw: The Art Museum. A resource unparalleled in any medium.

10:42

Mark Post: Meet the new meat

20:00

Patrick Blanc: The vertical garden, from nature to cities

16:19

Jeremy Myerson: Yoyos, see-saws and other dynamic design challenges of ageing

20:52

Iain Sinclair: Ghost Milk - Calling time on the Grand Project

17:36

Stephen Bayley: A circular saw, a Gauloise and a little red wine

19:33

Christopher Choa: The rise of airport cities

1:25

Richard Savage: Tinkering and repairing will replace throwaway fashion

1:31

Richard Savage: We've been wrong about the high street before

0:55

Amanda Renshaw: A new kind of art museum

0:53

Richard Savage: Retailers will have to deliver great experiences

0:31

Molly Stevens: Translating cutting edge medical technology to the developing world

0:43

Molly Stevens: Regenerating really complex organs is still a big challenge

1:22

Ricky Burdett: City planners are needed (ultra localism can't do everything)

1:05

Ricky Burdett: Ghettoisation and slums are the norm in mega-cities

1:05

Ricky Burdett: Mumbai, Istanbul and Sao Paulo are the endless cities of the world

1:08

Hugh Broughton: It's obvious, put the building on skis!

1:33

Geoff Dyer: We need eyes on the road

0:50

Geoff Dyer: Photography is playing catch-up with other artistic media

1:18

Hugh Broughton: The parallels between Antarctic living and space

1:10

Hugh Broughton: Building in Antarctica poses some awesome challenges

1:18

Ian Pearson: Immortality in 50 years? Perhaps.

1:07

Ian Pearson: Technology deserves a place in nature

0:46

Ian Pearson: The future of sleep, sex and play, aided by technology

1:14

Greg Offer: To spur investment we need consumers to buy more hybrid or electric cars

1:50

Greg Offer: Running the world on renewable energy will be extremely difficult

1:02

Greg Offer: We need to pick a winner for the next generation car engine

0:31

Iain Sinclair: The Olympics are an example of 'retrofuturism'

1:05

Iain Sinclair: The London riots were predicted

1:48

Iain Sinclair: Grand Projects introduce 'image wars'

0:48

Paul Kemp-Robertson: The alternative is bad advertising

0:39

Paul Kemp-Robertson: Attention has been commodified

1:12

Paul Kemp-Robertson: Nothing is free

1:35

Lewis Dartnell: We can't rely on robots to explore the solar system

1:32

Lewis Dartnell: One-way missions to Mars are not completely mad

0:33

Lewis Dartnell: Humans will inevitably colonise places beyond earth

2:48

Malcolm McCulloch: Threats to privacy may be a necessary evil for smart meters

1:51

Sarah Harper: How far should we extend life?

0:27

Sarah Harper: Our skeleton might not be able to handle 200 years

0:37

Susan Greenfield: 21stC technologies present completely new challenges to the brain

0:53

Susan Greenfield: Internet addiction may be causing atrophy in the brain

2:03

Malcolm McCulloch: Smart meters and smart grids must work together to make a difference

2:17

Mark Post: the public will come round to lab-grown meat

0:40

Susan Greenfield: solipsistic Twitter use is a sign of an existential crisis

1:57

Mark Post: lab-grown meat will be in our supermarkets

1:42

Alan Penn: how will we handle cities of 60 million people?

1:10

Michael Birnhack: Jeremy Bentham's Panopticon is back with a vengeance

1:37

Rachel Armstrong: walls will be 'eating' carbon very soon

1:22

Adriana Lukas: self-hacking will make us free

2:25

Tom Chatfield: the boundaries between real and virtual will be blurred all the time

3:22

Stephen Bayley: a society that has forgotten how to make things is in grave danger