nuclear

This contrasts with the Western nuclear family model, where learning is often centered around parents or teachers in a formalized school setting.

On Tuesday, Russian President Vladimir Putin approved changes to Russia’s nuclear doctrine, setting out new conditions under which the country would consider using its arsenal.

The PM was asked by journalists if the UK should be preparing for nuclear war at a press conference to close the G20 summit of the world's largest economies in Brazil.

Meanwhile, earlier on Tuesday, Putin approved changes to Russia’s nuclear doctrine, setting out new conditions under which the country would consider using its arsenal.

Vladimir Putin has approved changes to Russia’s nuclear doctrine, setting out new conditions under which the country would consider using its arsenal.