BBC World Service - Discovery

Episode 2 - Lawrence Krauss—Exchanges At The Frontier

Leading scientists are tested over the social impact of their discoveries by philosopher Anthony Grayling and the public.

Leading scientists are tested over the social impact of their discoveries by philosopher Anthony Grayling and the public.

This programme tells the story of Romanian agriculture, through communist collectivisation to reform after the revolution.

The story of Semtex, a Czech plastic explosive that took centre stage in the military struggle between East and West.

The story of German partition and reunification through one of the country's most prestigious companies, Carl Zeiss.

Richard Hollingham reports on synthetic biology, a new science whose supporters hope will help redesign biological systems.

Gareth Mitchell investigates whether scientists are any closer to solving our energy crisis with nuclear fusion.

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2/2 'Trade not aid' is a new mantra for development but can people stay out of poverty when they trade up? Susie Emmett finds out.

1/2 'Trade not aid' is a new mantra for development but can people stay out of poverty when they trade up? Susie Emmett finds out.