Synopsis
Bringing chemistry, physics and biology to life using real-life examples, 3D graphics and practical experiments.
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Chemical weapons | Inside Porton Down: Britain's Secret Weapons Research Facility
Introducing the idea of chemical and biological weapons, leading onto pathogens.

Inside Porton Down: Britain's Secret Weapons Research Facility
Michael Mosley investigates Porton Down, Britain's most secretive and controversial military research base. He comes face to face with chemical and biological weapons old and new.