Maths study shows conspiracies 'prone to unravelling'

It's difficult to keep a conspiracy under wraps, scientists say, because sooner or later, one of the conspirators will blow its cover. A study has examined how long alleged conspiracies could "survive" before being revealed - deliberately or unwittingly - to the public at large. Dr David Grimes, from Oxford University, devised an equation to express this, and then applied it to four famous collusions.
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