If, on occasion, the knowledge brought by science leads to an unhappy end, this is not to the discredit of science but is rather an indication of an imperfect ability to use wisely the gifts placed within our hands. ↗
Since the end of the Cold War two main nuclear powers have begun to make big reductions in their nuclear arsenals. Each of them is dismantling about 2,000 nuclear warheads a year. ↗