Among the British delegation in Stockholm was the head of Downing Street's Behavioural Insight Team - better known as the "Nudge" unit - David Halpern.

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The photographs give an insight into the team's Antarctic journey and portray the harsh conditions Scott's team faced.

BBC: Captain Scott Antarctic photos shown in Cambridge

The key insight of the Zurich team is that both nice "Homo socialis" and nasty "Homo economicus" (the selfish boogeyman who supposedly reigns in classical economics) can be promoted by evolution under particular circumstances.

WSJ: Have We Evolved to Be Nasty or Nice? | Mind & Matter