Professor Veit Bader, chair of sociology and social and political philosophy at the Universiteit van Amsterdam.

An RSA panel of judges and expert witnesses explore the recent remarkable change in behaviour and attitudes towards privacy in an increasingly public world.

Prof. David Ellwood, Dean, Kennedy School of Government, Harvard University

Russ Roberts, host of EconTalk and author of the economics novel, The Price of Everything, talks with guest host Arnold Kling about the ideas in The Price of Everything: price gouging, the role of prices in the aftermath of natural disaster, spontaneous order, and the hidden harmony of the economic cosmos. Along the way, Roberts talks about novels vs. textbooks and other traditional treatments of economic reasoning.

Indian Finance Minister P. Chidambaram

Parag Khanna, Director of the Global Governance Initiative of the American Strategy Program at the New America Foundation

Professor James Scott, Sterling Professor of Political Science and Anthropology at Yale University.

Ory Okolloh tells the story of her life and her family -- and how she came to do her heroic work reporting on the doings of Kenya's parliament.

A new study of 53 cities in the developing world reveals that farmers in and around the vast majority of these urban areas use polluted wastewater to irrigate their crops. One of the researchers Liqa Raschid-Sally of the International Water Management Institute discusses the issues with Jon Stewart. Also in the programme, space scientists contemplate the biosafety risks of bringing a sample from Mars to Earth… new research suggesting that birds who sing the fanciest songs are also the most smartest, which is why females want to mate with them… and how images of Olympic champions connect to our deep primate past.

Dr James Orbinski shares his experiences of some of the world`s bleakest and most dangerous places, such as Somalia and Rwanda, and to assess the role of humanitarianism in the world today.

This image of the mammoth spiral galaxy M81, located about 12 million light years away, contains data from four different NASA satellites.

Leah Ward Sears, Georgia Supreme Court Chief Justice

There seems to be a significant interest in Phelps's 10,000 calorie-a-day diet. We look at the conclusions that some people are trying to draw from the details of his diet.

Dr Ashraf Ghani, chairman of the Institute for State Effectiveness. Clare Lockhart, Director of the Institute for State Effectiveness.

Imagine hearing great, departed pianists play again today, just as they would in person. John Q. Walker demonstrates how recordings can be analyzed for precise keystrokes and pedal motions, then played back on computer-controlled grand pianos.

Jorg Imberger, professor of environmental engineering at the University of Western Australia.

Speaking at the 2007 EG conference, trainer Ian Dunbar asks us to see the world through the eyes of our beloved dogs. By knowing our pets' perspective, we can build their love and trust. It's a message that resonates well beyond the animal world.

Like your uncle at a family party, the rumpled Swedish doctor Lennart Green says, "Pick a card, any card." But what he does with those cards is pure magic -- flabbergasting, lightning-fast, how-does-he-do-it? magic.

John Taylor of Stanford University talks about the Taylor Rule, his description of what the Fed ought to do and what it sometimes actually does, to keep inflation in check and the economy on a steady path. He argues that when the Fed has deviated from the Rule in recent years, the economy has performed poorly. Taylor also assesses the chances for a monetary or financial disaster and the Fed's recent expanded role in intervening in financial markets.