The Order of the Elements (Full Programme) | Chemistry: A Volatile History
Professor Jim Al-Khalili looks at how the early scientists' bid to decode the order of the elements was driven by false starts and bitter disputes.
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Electrolysis of aluminium | Inside the Factory
Cherry travels to Scotland to visit the UK's last remaining factory that produces aluminium via smelting and electrolysis.
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Clotted cream, fat and taste receptors | The Secrets of Your Food
Michael explains how the structure of fatty foods can affect how it tastes in our mouth and therefore what signals are sent to the brain.