If the calculation on vacuum instability stands up, it will revive an old idea that the Big Bang Universe we observe today is just the latest version in a permanent cycle of events.

BBC: Cosmos may be 'inherently unstable'

We're trying to change round decades, indeed centuries of conflict so what we do know is that where there is a political vacuum, where there is instability in the democratic institutions then the men of violence will try to wreck this peace process.

BBC: News | BREAKFAST WITH FROST | Dr John Reid MP, Secretary for Northern Ireland