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Exchanges at the Frontier Exchanges at the Frontier Episodes Available now
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![](https://ichef.bbci.co.uk/images/ic/320x180/p01t1y63.jpg)
Kay Redfield Jamison, Professor of Psychiatry
4/4 Psychologist Kay Redfield Jamison on the disastrous highs and lows of bipolar disorder
![](https://ichef.bbci.co.uk/images/ic/320x180/p01sp6br.jpg)
Iain Couzin - Collective Animal Behaviour
3/4 Why do fish shoal, birds flock and locusts swarm?
![](https://ichef.bbci.co.uk/images/ic/320x180/p01s8t1s.jpg)
Henry Markram, Director of the Human Brain Project
2/4 Building a super computer which will virtually replicate the human brain
![](https://ichef.bbci.co.uk/images/ic/320x180/p01rww9x.jpg)
Bonnie Bassler, Professor of Molecular Biology
1/4 Can understanding of how bacteria communicate solve the problem of failing antibiotics?