Nuclear scientists in Russia and the United States say that the sputtering relationship between their weapons laboratories could be rekindled by an agreement to cut the nations' nuclear-weapons arsenals.rnUS President Barack Obama and Russian President Dmitry Medvedev announced on 6 July that they intended to reduce their stockpile of warheads. The pair also discussed scientific collaboration as a way to strengthen ties between the two nations.rnEven during the cold war, US and Soviet scientists worked together on specific issues, such as the development of fusion energy. Wider programmes began in earnest after the fall of the Soviet Union, when the US government stepped in with millions of dollars in funding for scientific collaborations.
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