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Mike Greenwood reports from Paraguay on the battle for one of the last wildernesses.
3/5 AC Grayling in conversation with Valerie Mizrahi, who has done ground-breaking work on TB.
2/5 AC Grayling in conversation with Vilayanur Ramachandran, the 'Marco Polo' of neuroscience
1/5 AC Grayling in conversation with Sir Paul Nurse, a Nobel Prize-winning cell biologist
AC Grayling discusses the neuroscience of pleasure with psychologist Morten Kringelbach.
AC Grayling discusses mental illness and violence with Psychotherapist Gwen Adshead.
AC Grayling discusses String Theory with physicist Brian Greene.
AC Grayling discusses malaria with expert Kevin Marsh on how to beat the disease.
AC Grayling discussed the genetics of ageing with experimental scientist Cynthia Kenyon.
The renowned dolphin campaigner and star of his year's Oscar winning documentary The Cove