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Discovery

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Science & Medicine

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Science & Medicine 30

Explorations in the world of science.

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Fixing the Nitrogen Fix

March 2nd, 2011

Episode 38 of 564 episodes

Roland Pease asks whether, after a hundred years of the old industrial process, there’s a better way of making nitrogen fertilisers. Nitrogen is one of the most important elements for life, and we’re virtually swimming in it – the atmosphere is four fifths nitrogen gas. And yet nitrogen is one of the hardest elements for life to capture – it’s a molecule that’s almost completely inert. Can chemists copy nature’s tricks to ensnare this elusive molecule, using gentle reactions and without harming the environment in the process?

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