nuclear

The continuing story of one of the greatest scientific discoveries ever - that the material world is made up of atoms. (59 min)

Al Jazeera examines the events and the aftermath of the world’s worst nuclear disaster at Chernobyl, Ukraine in 1986. (23:30 min, 2 segments)

The world’s leading scientists are assembled by BBC Horizon to simplify the equation of science for the U.S. president and define the basics he should know when making strategic decisions. (48 min, 5 segments)