A discussion about Gough Whitlam's high-stakes 1971 visit to China. As Leader of the Opposition, with an Australian population that feared China and communism, Whitlam took the gamble of trying to establish formal diplomatic relations with the People's Republic. Listen in full

Governments are involved in a multi-billion-dollar war against a fast growing super smart breed of new criminal - the hacker, who doesn't even need to live on the same continent to be able to steal from you. So how safe are we from this new brand of mafia? Listen in full

Is this the last generation of newspaper cartoonists? And more importantly, what will we lose when they are gone? Phillip Adams from Life Matters discusses. A special global discussion about cartoons and whether they can survive the digital age. Listen in full

Are we prepared should the evolution of smarter-than-human technology pose a danger to humanity? Stephen Hawking has said that 'unless mankind redesigns itself by changing our DNA by altering our genetic make-up, computer-generated robots will take over the world.' Listen in full

The recent spate of floods, earthquakes, tsunamis and the nuclear accident in Japan are a reminder of how interconnected our energy, transport, water and communications systems have become. Which is why future infrastructure investment needs to take climate change into account. Guest Professor Brian Collins,Chief Scientific Advisor, UK Department of Transport and Dept of Business...