The philosopher AC Grayling and a public audience test the world's leading scientists over the meaning of their work.
- Programmes:
- on BBC iPlayer (15)

The philosopher AC Grayling and a public audience test the world's leading scientists over the meaning of their work.
Listen now (55 minutes)
Available since Sat, 31 Dec 2011.
5/5. AC Grayling in conversation with Steven Pinker, a leading authority on language and mind
Listen now (55 minutes)
Available since Sat, 24 Dec 2011.
4/5. AC Grayling in conversation with Gebisa Ejeta, can he help abolish famine world wide?
Listen now (55 minutes)
Available since Sat, 17 Dec 2011.
3/5. AC Grayling in conversation with Valerie Mizrahi, who has done ground-breaking work on TB.
Listen now (55 minutes)
Available since Sat, 10 Dec 2011.
2/5. AC Grayling in conversation with Vilayanur Ramachandran, the 'Marco Polo' of neuroscience
Listen now (55 minutes)
Available since Sat, 3 Dec 2011.
1/5. AC Grayling in conversation with Sir Paul Nurse, a Nobel Prize-winning cell biologist
See all 15 programmes available now.
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