Do nuclear bombs make us safer? As Christopher Nolan’s film Oppenheimer storms the Oscars, fears of nuclear war have returned.
The Oscar winner and a question of survival
Shaken not stirred: After his Oppenheimer triumph, Cillian Murphy (above) is in the running to play James Bond. Glossary
Academy Award - Hollywood's most prestigious honour, awarded annually since 1929 by Academy of Motion Picture Arts and Sciences. The Golden Globes is often seen to predict potential Academy Award winners.
Nuclear weapons - A bomb or other weapon that uses nuclear energy to cause a big explosion.
Soviet Union - Officially the Union of Soviet Socialist Republics (USSR). A powerful group of communist republics, the biggest being Russia, that existed from 1922 to 1991.
Risk - The chance or possibility of something bad happening.