Article: 'Gossip helps glue society together'.(News)

BYLINE: Roger Highfield

Lots of gossip is good for society and helps people to trust each other and to be more charitable, according to a study published this week.

Earlier work by game theorists has shown that the reason that, unlike so many other creatures, humans help strangers and unrelated people is down to reputation.

Reputation is important to the evolution of human co-operation, through a process called "indirect reciprocity", summed up by "I help you and somebody else helps me".

Now the extent to which we rely on tittle tattle to build reputation has been studied by one of the leading figures in the field, Prof Manfred ...

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