Stanislav Petrov – the man who probably saved the world from a nuclear disaster
Russia's nuclear forces have been put on "high alert" after the country decided to invade Ukraine.
Russia's nuclear forces have been put on "high alert" after the country decided to invade Ukraine.
The levels are well below what's considered risky -- but it shows how pervasive nuclear fallout can be.
One of the most intense Cold War fronts, and probably the only one to actually provide mankind a monumental legacy, ...