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In the latest episode of Scibernia we find out about the genetics of potatoes, get up close and personal with the Periodic Table of Elements and ask the question: what exactly is a psychopath?
In this episode:

Gerard Cunningham talks to geneticist Dan Milbourne of Teagasc, head of an Irish team that played a key role in mapping the potato genome.

We take a tour of the Periodic Table at Dublin’s Science Gallery, where the latest exhibition is titled Elements: The Beauty of Chemistry.

And in our Culture Corner we review Jon Ronson’s new book The Psychopath Test, which takes a fascinating look at how psychopathy — and hundreds of other psychiatric disorders — are diagnosed today.