And if you run enough virtual heart cells in parallel you have, in effect, created a virtual heart.

ECONOMIST: Model behaviour

As the 17th century dawned, cause-and-effect was merging parallel universes.

FORBES: One Person Can Make a Difference

In effect, argues Thomas Mayer, an adviser to Deutsche Bank, Greece could create its own parallel and depreciated currency while still remaining in the monetary union.

ECONOMIST: Leaving the euro

In Westminster Hall, the Commons parallel debating chamber, one of the subjects will pick up complaints about the Legal Aid etc Bill - the effect of changes to legal aid on the not-for-profit advice sector.

BBC: Week ahead in Parliament