Technetium (Tc) - a podcast by BBC World Service

Technetium is essential for medical imaging, yet supplies of this short-lived manmade element are far from guaranteed. We see a technetium scan in progress and a cow being milked, and hear the yarn of the 70-year chemistry wild goose chase sparked by this mysterious radioactive metal.

Further episodes of Elements

Further podcasts by BBC World Service

Website of BBC World Service