A scientist working on a CIA programme researching hallucinogenic warfare wound up dead. This story looks at the theories of agency malfeasance swirling around his death.
A look at dubious conclusions statistics can sometimes lead us to via murderous doctor Harold Shipman, aspirin and coin tosses.
A murder in upscale Texas community was so rare as to be a shock in itself. But it rapidly transpired that this efficiently executed hit was out of the ordinary.
A quick sweep of the key indicators that will act as the bellwethers of a future recession.
A behavioural economist analysed the inefficiency of email. The problem is perhaps best exemplified by the fact that it takes on average 25 minutes to return to a task at work once disturbed, yet in a survey respondents suggested 35% of their recent emails never needed to be seen at all.